diff --git a/.idea/misc.xml b/.idea/misc.xml
index eabe228..28a804d 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -3,14 +3,4 @@
   <component name="JavaScriptSettings">
     <option name="languageLevel" value="ES6" />
   </component>
-  <component name="ProjectLevelVcsManager" settingsEditedManually="false">
-    <OptionsSetting value="true" id="Add" />
-    <OptionsSetting value="true" id="Remove" />
-    <OptionsSetting value="true" id="Checkout" />
-    <OptionsSetting value="true" id="Update" />
-    <OptionsSetting value="true" id="Status" />
-    <OptionsSetting value="true" id="Edit" />
-    <ConfirmationsSetting value="0" id="Add" />
-    <ConfirmationsSetting value="0" id="Remove" />
-  </component>
 </project>
\ No newline at end of file
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index ad25c92..811b234 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -1,72 +1,127 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ChangeListManager">
-    <list default="true" id="adc8df4f-38bd-494b-8ef1-18e42ea5e47d" name="Default" comment="">
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/package.json" afterPath="$PROJECT_DIR$/package.json" />
+    <list default="true" id="adc8df4f-38bd-494b-8ef1-18e42ea5e47d" name="Default" comment="let 和 const">
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/coverage/coverage.json" beforeDir="false" afterPath="$PROJECT_DIR$/coverage/coverage.json" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/coverage/lcov.info" beforeDir="false" afterPath="$PROJECT_DIR$/coverage/lcov.info" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/test/request.test.js" beforeDir="false" afterPath="$PROJECT_DIR$/test/request.test.js" afterDir="false" />
     </list>
     <ignored path="yhsd-api-node.iws" />
     <ignored path=".idea/workspace.xml" />
     <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
-    <option name="TRACKING_ENABLED" value="true" />
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
     <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
     <option name="LAST_RESOLUTION" value="IGNORE" />
   </component>
-  <component name="ChangesViewManager" flattened_view="true" show_ignored="false" />
   <component name="CreatePatchCommitExecutor">
     <option name="PATCH_PATH" value="" />
   </component>
-  <component name="ExecutionTargetManager" SELECTED_TARGET="default_target" />
+  <component name="FUSProjectUsageTrigger">
+    <session id="1260981560">
+      <usages-collector id="statistics.lifecycle.project">
+        <counts>
+          <entry key="project.closed" value="2" />
+          <entry key="project.open.time.1" value="2" />
+          <entry key="project.open.time.2" value="1" />
+          <entry key="project.opened" value="3" />
+        </counts>
+      </usages-collector>
+      <usages-collector id="statistics.vcs.git.usages">
+        <counts>
+          <entry key="git.branch.checkout.local" value="1" />
+          <entry key="git.branch.checkout.remote" value="1" />
+        </counts>
+      </usages-collector>
+      <usages-collector id="statistics.file.extensions.open">
+        <counts>
+          <entry key="js" value="68" />
+          <entry key="json" value="2" />
+        </counts>
+      </usages-collector>
+      <usages-collector id="statistics.file.types.open">
+        <counts>
+          <entry key="JSON" value="2" />
+          <entry key="JavaScript" value="68" />
+        </counts>
+      </usages-collector>
+      <usages-collector id="statistics.file.extensions.edit">
+        <counts>
+          <entry key="js" value="4873" />
+          <entry key="json" value="2" />
+          <entry key="txt" value="827" />
+        </counts>
+      </usages-collector>
+      <usages-collector id="statistics.file.types.edit">
+        <counts>
+          <entry key="JSON" value="2" />
+          <entry key="JavaScript" value="4873" />
+          <entry key="PLAIN_TEXT" value="827" />
+        </counts>
+      </usages-collector>
+    </session>
+  </component>
   <component name="FavoritesManager">
     <favorites_list name="yhsd-api-node" />
   </component>
   <component name="FileEditorManager">
-    <leaf>
-      <file leaf-file-name="auth.test.js" pinned="false" current-in-tab="false">
+    <leaf SIDE_TABS_SIZE_LIMIT_KEY="300">
+      <file pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/test/auth.test.js">
           <provider selected="true" editor-type-id="text-editor">
-            <state vertical-scroll-proportion="0.0">
-              <caret line="143" column="55" selection-start-line="143" selection-start-column="55" selection-end-line="143" selection-end-column="55" />
-              <folding />
+            <state relative-caret-position="154">
+              <caret line="168" column="11" lean-forward="true" selection-start-line="168" selection-start-column="11" selection-end-line="168" selection-end-column="11" />
             </state>
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="package.json" pinned="false" current-in-tab="true">
-        <entry file="file://$PROJECT_DIR$/package.json">
+      <file pinned="false" current-in-tab="true">
+        <entry file="file://$PROJECT_DIR$/test/request.test.js">
           <provider selected="true" editor-type-id="text-editor">
-            <state vertical-scroll-proportion="0.47058824">
-              <caret line="12" column="4" selection-start-line="12" selection-start-column="4" selection-end-line="12" selection-end-column="4" />
-              <folding />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="index.js" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/index.js">
-          <provider selected="true" editor-type-id="text-editor">
-            <state vertical-scroll-proportion="0.0">
-              <caret line="2" column="25" selection-start-line="2" selection-start-column="25" selection-end-line="2" selection-end-column="25" />
-              <folding />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="Auth.js" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/lib/Auth.js">
-          <provider selected="true" editor-type-id="text-editor">
-            <state vertical-scroll-proportion="0.0">
-              <caret line="4" column="4" selection-start-line="4" selection-start-column="4" selection-end-line="4" selection-end-column="4" />
-              <folding />
+            <state relative-caret-position="337">
+              <caret line="29" column="24" lean-forward="true" selection-start-line="29" selection-start-column="24" selection-end-line="29" selection-end-column="24" />
             </state>
           </provider>
         </entry>
       </file>
     </leaf>
   </component>
+  <component name="FindInProjectRecents">
+    <findStrings>
+      <find>noConflict</find>
+      <find>reqCountMap</find>
+      <find>timeout</find>
+      <find>config</find>
+      <find />
+      <find>_resolveFromExecutor</find>
+      <find>promiseFromYieldHandler</find>
+      <find>PromiseSpawn</find>
+      <find>tryConvertToPromise</find>
+      <find>reduceReqCountFn</find>
+      <find>onAfter</find>
+      <find>timeOffset</find>
+      <find>getToken</find>
+      <find>const</find>
+      <find>let</find>
+      <find>get customerData should be success</find>
+      <find>token</find>
+    </findStrings>
+    <replaceStrings>
+      <replace>onAfterHandle</replace>
+      <replace>var</replace>
+    </replaceStrings>
+    <dirStrings>
+      <dir>$PROJECT_DIR$/node_modules</dir>
+    </dirStrings>
+  </component>
   <component name="Git.Settings">
     <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
+    <option name="RECENT_BRANCH_BY_REPOSITORY">
+      <map>
+        <entry key="$PROJECT_DIR$" value="590969d8ba954b7062adbb6c9f7993796e4e12fb" />
+      </map>
+    </option>
   </component>
   <component name="IdeDocumentHistory">
     <option name="CHANGED_PATHS">
@@ -74,114 +129,93 @@
         <option value="$PROJECT_DIR$/test/webhook.test.js" />
         <option value="$PROJECT_DIR$/lib/WebHook.js" />
         <option value="$PROJECT_DIR$/.gitignore" />
+        <option value="$PROJECT_DIR$/lib/util.js" />
+        <option value="$PROJECT_DIR$/lib/request.js" />
+        <option value="$PROJECT_DIR$/lib/Api.js" />
+        <option value="$PROJECT_DIR$/lib/Request.js" />
+        <option value="$PROJECT_DIR$/lib/config.js" />
         <option value="$PROJECT_DIR$/lib/Auth.js" />
         <option value="$PROJECT_DIR$/test/auth.test.js" />
         <option value="$PROJECT_DIR$/package.json" />
+        <option value="$PROJECT_DIR$/test/request.test.js" />
       </list>
     </option>
   </component>
-  <component name="JsBuildToolGruntFileManager" detection-done="true" />
-  <component name="JsBuildToolPackageJson" detection-done="true">
+  <component name="JsBuildToolGruntFileManager" detection-done="true" sorting="DEFINITION_ORDER" />
+  <component name="JsBuildToolPackageJson" detection-done="true" sorting="DEFINITION_ORDER">
     <package-json value="$PROJECT_DIR$/package.json" />
   </component>
   <component name="JsGulpfileManager">
     <detection-done>true</detection-done>
+    <sorting>DEFINITION_ORDER</sorting>
   </component>
-  <component name="ProjectFrameBounds">
-    <option name="x" value="-174" />
-    <option name="y" value="-1057" />
+  <component name="NodeModulesDirectoryManager">
+    <handled-path value="$PROJECT_DIR$/node_modules" />
+  </component>
+  <component name="NodePackageJsonFileManager">
+    <packageJsonPaths>
+      <path value="$PROJECT_DIR$/package.json" />
+    </packageJsonPaths>
+  </component>
+  <component name="ProjectFrameBounds" fullScreen="true">
+    <option name="y" value="23" />
     <option name="width" value="1559" />
-    <option name="height" value="1014" />
+    <option name="height" value="993" />
   </component>
-  <component name="ProjectLevelVcsManager" settingsEditedManually="false">
-    <OptionsSetting value="true" id="Add" />
-    <OptionsSetting value="true" id="Remove" />
-    <OptionsSetting value="true" id="Checkout" />
-    <OptionsSetting value="true" id="Update" />
-    <OptionsSetting value="true" id="Status" />
-    <OptionsSetting value="true" id="Edit" />
+  <component name="ProjectLevelVcsManager">
     <ConfirmationsSetting value="1" id="Add" />
-    <ConfirmationsSetting value="0" id="Remove" />
   </component>
   <component name="ProjectView">
-    <navigator currentView="ProjectPane" proportions="" version="1">
-      <flattenPackages />
-      <showMembers />
-      <showModules />
-      <showLibraryContents />
-      <hideEmptyPackages />
-      <abbreviatePackageNames />
-      <autoscrollToSource />
-      <autoscrollFromSource />
-      <sortByType />
-      <manualOrder />
+    <navigator proportions="" version="1">
       <foldersAlwaysOnTop value="true" />
     </navigator>
     <panes>
+      <pane id="Scope" />
       <pane id="ProjectPane">
         <subPane>
-          <PATH>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="yhsd-api-node" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.ProjectViewProjectNode" />
-            </PATH_ELEMENT>
-          </PATH>
-          <PATH>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="yhsd-api-node" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.ProjectViewProjectNode" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="yhsd-api-node" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
-            </PATH_ELEMENT>
-          </PATH>
-          <PATH>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="yhsd-api-node" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.ProjectViewProjectNode" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="yhsd-api-node" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="test" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
-            </PATH_ELEMENT>
-          </PATH>
-          <PATH>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="yhsd-api-node" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.ProjectViewProjectNode" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="yhsd-api-node" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="lib" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
-            </PATH_ELEMENT>
-          </PATH>
+          <expand>
+            <path>
+              <item name="yhsd-api-node" type="b2602c69:ProjectViewProjectNode" />
+              <item name="yhsd-api-node" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="yhsd-api-node" type="b2602c69:ProjectViewProjectNode" />
+              <item name="yhsd-api-node" type="462c0819:PsiDirectoryNode" />
+              <item name="test" type="462c0819:PsiDirectoryNode" />
+            </path>
+          </expand>
+          <select />
         </subPane>
       </pane>
-      <pane id="Scope" />
       <pane id="Scratches" />
     </panes>
   </component>
   <component name="PropertiesComponent">
-    <property name="settings.editor.selected.configurable" value="Settings.JavaScript" />
-    <property name="settings.editor.splitter.proportion" value="0.2" />
-    <property name="javascript.nodejs.core.library.configured.version" value="4.4.0" />
-    <property name="JavaScriptPreferStrict" value="false" />
+    <property name="HbShouldOpenHtmlAsHb" value="" />
     <property name="JavaScriptWeakerCompletionTypeGuess" value="true" />
-    <property name="last_opened_file_path" value="$PROJECT_DIR$" />
     <property name="WebServerToolWindowFactoryState" value="false" />
-    <property name="HbShouldOpenHtmlAsHb" value="" />
+    <property name="javascript.nodejs.core.library.configured.version" value="4.4.0" />
     <property name="js-jscs-nodeInterpreter" value="/usr/local/bin/node" />
+    <property name="js.last.introduce.type" value="VAR" />
+    <property name="last_opened_file_path" value="$PROJECT_DIR$" />
+    <property name="nodejs.mocha.mocha_node_package_dir" value="$PROJECT_DIR$/node_modules/mocha" />
+    <property name="nodejs_package_manager_path" value="npm" />
+    <property name="settings.editor.selected.configurable" value="Settings.JavaScript" />
+    <property name="settings.editor.splitter.proportion" value="0.2" />
+  </component>
+  <component name="RunDashboard">
+    <option name="ruleStates">
+      <list>
+        <RuleState>
+          <option name="name" value="ConfigurationTypeDashboardGroupingRule" />
+        </RuleState>
+        <RuleState>
+          <option name="name" value="StatusDashboardGroupingRule" />
+        </RuleState>
+      </list>
+    </option>
   </component>
-  <component name="RunManager">
+  <component name="RunManager" selected="Mocha.test/auth.test.js">
     <configuration default="true" type="DartCommandLineRunConfigurationType" factoryName="Dart Command Line Application">
       <method />
     </configuration>
@@ -189,12 +223,6 @@
       <envs />
       <method />
     </configuration>
-    <configuration default="true" type="JavascriptDebugType" factoryName="JavaScript Debug">
-      <method />
-    </configuration>
-    <configuration default="true" type="NodeJSConfigurationType" factoryName="Node.js" working-dir="">
-      <method />
-    </configuration>
     <configuration default="true" type="cucumber.js" factoryName="Cucumber.js">
       <option name="cucumberJsArguments" value="" />
       <option name="executablePath" />
@@ -202,28 +230,117 @@
       <method />
     </configuration>
     <configuration default="true" type="js.build_tools.gulp" factoryName="Gulp.js">
-      <method />
-    </configuration>
-    <configuration default="true" type="js.build_tools.npm" factoryName="npm">
-      <command value="run-script" />
-      <scripts />
+      <node-interpreter>project</node-interpreter>
+      <node-options />
+      <gulpfile />
+      <tasks />
+      <arguments />
       <envs />
-      <method />
+      <method v="2" />
     </configuration>
     <configuration default="true" type="mocha-javascript-test-runner" factoryName="Mocha">
+      <node-interpreter>node</node-interpreter>
       <node-options />
       <working-directory>$PROJECT_DIR$</working-directory>
       <pass-parent-env>true</pass-parent-env>
-      <envs />
       <ui>bdd</ui>
       <extra-mocha-options />
       <test-kind>DIRECTORY</test-kind>
       <test-directory />
       <recursive>false</recursive>
-      <method />
+      <method v="2" />
+    </configuration>
+    <configuration name="test/auth.test.js" type="mocha-javascript-test-runner" factoryName="Mocha" temporary="true" nameIsGenerated="true">
+      <node-interpreter>node</node-interpreter>
+      <node-options />
+      <working-directory>$PROJECT_DIR$</working-directory>
+      <pass-parent-env>true</pass-parent-env>
+      <ui>bdd</ui>
+      <extra-mocha-options />
+      <test-kind>SUITE</test-kind>
+      <test-file>$PROJECT_DIR$/test/auth.test.js</test-file>
+      <test-names>
+        <name value="test/auth.test.js" />
+      </test-names>
+      <method v="2" />
     </configuration>
+    <configuration name="test/request.test.js.api request" type="mocha-javascript-test-runner" factoryName="Mocha" temporary="true" nameIsGenerated="true">
+      <node-interpreter>node</node-interpreter>
+      <node-options />
+      <working-directory>$PROJECT_DIR$</working-directory>
+      <pass-parent-env>true</pass-parent-env>
+      <ui>bdd</ui>
+      <extra-mocha-options />
+      <test-kind>SUITE</test-kind>
+      <test-file>$PROJECT_DIR$/test/request.test.js</test-file>
+      <test-names>
+        <name value="test/request.test.js" />
+        <name value="api request" />
+      </test-names>
+      <method v="2" />
+    </configuration>
+    <configuration name="test/request.test.js.auth request" type="mocha-javascript-test-runner" factoryName="Mocha" temporary="true" nameIsGenerated="true">
+      <node-interpreter>node</node-interpreter>
+      <node-options />
+      <working-directory>$PROJECT_DIR$</working-directory>
+      <pass-parent-env>true</pass-parent-env>
+      <ui>bdd</ui>
+      <extra-mocha-options />
+      <test-kind>SUITE</test-kind>
+      <test-file>$PROJECT_DIR$/test/request.test.js</test-file>
+      <test-names>
+        <name value="test/request.test.js" />
+        <name value="auth request" />
+      </test-names>
+      <method v="2" />
+    </configuration>
+    <configuration name="test/request.test.js.should request succeed" type="mocha-javascript-test-runner" factoryName="Mocha" temporary="true" nameIsGenerated="true">
+      <node-interpreter>node</node-interpreter>
+      <node-options />
+      <working-directory>$PROJECT_DIR$</working-directory>
+      <pass-parent-env>true</pass-parent-env>
+      <ui>bdd</ui>
+      <extra-mocha-options />
+      <test-kind>TEST</test-kind>
+      <test-file>$PROJECT_DIR$/test/request.test.js</test-file>
+      <test-names>
+        <name value="test/request.test.js" />
+        <name value="should request succeed" />
+      </test-names>
+      <method v="2" />
+    </configuration>
+    <configuration name="test/request.test.js.should return token" type="mocha-javascript-test-runner" factoryName="Mocha" temporary="true" nameIsGenerated="true">
+      <node-interpreter>node</node-interpreter>
+      <node-options />
+      <working-directory>$PROJECT_DIR$</working-directory>
+      <pass-parent-env>true</pass-parent-env>
+      <ui>bdd</ui>
+      <extra-mocha-options />
+      <test-kind>TEST</test-kind>
+      <test-file>$PROJECT_DIR$/test/request.test.js</test-file>
+      <test-names>
+        <name value="test/request.test.js" />
+        <name value="should return token" />
+      </test-names>
+      <method v="2" />
+    </configuration>
+    <list>
+      <item itemvalue="Mocha.test/request.test.js.should request succeed" />
+      <item itemvalue="Mocha.test/request.test.js.should return token" />
+      <item itemvalue="Mocha.test/request.test.js.auth request" />
+      <item itemvalue="Mocha.test/request.test.js.api request" />
+      <item itemvalue="Mocha.test/auth.test.js" />
+    </list>
+    <recent_temporary>
+      <list>
+        <item itemvalue="Mocha.test/auth.test.js" />
+        <item itemvalue="Mocha.test/request.test.js.api request" />
+        <item itemvalue="Mocha.test/request.test.js.auth request" />
+        <item itemvalue="Mocha.test/request.test.js.should return token" />
+        <item itemvalue="Mocha.test/request.test.js.should request succeed" />
+      </list>
+    </recent_temporary>
   </component>
-  <component name="ShelveChangesManager" show_recycled="false" />
   <component name="SvnConfiguration">
     <configuration />
   </component>
@@ -232,32 +349,429 @@
       <changelist id="adc8df4f-38bd-494b-8ef1-18e42ea5e47d" name="Default" comment="" />
       <created>1466654777532</created>
       <option name="number" value="Default" />
+      <option name="presentableId" value="Default" />
       <updated>1466654777532</updated>
+      <workItem from="1543302078650" duration="4178000" />
+      <workItem from="1543817117957" duration="193000" />
+      <workItem from="1543828602842" duration="25924000" />
+    </task>
+    <task id="LOCAL-00001" summary="getReqCountHandle() promisify;">
+      <created>1543374846281</created>
+      <option name="number" value="00001" />
+      <option name="presentableId" value="LOCAL-00001" />
+      <option name="project" value="LOCAL" />
+      <updated>1543374846281</updated>
+    </task>
+    <task id="LOCAL-00002" summary="saveReqCountHandle() promisify;">
+      <created>1543374869339</created>
+      <option name="number" value="00002" />
+      <option name="presentableId" value="LOCAL-00002" />
+      <option name="project" value="LOCAL" />
+      <updated>1543374869339</updated>
+    </task>
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+      <window_info anchor="right" content_ui="combo" id="Hierarchy" order="2" weight="0.25" />
+    </layout-to-restore>
+  </component>
+  <component name="TypeScriptGeneratedFilesManager">
+    <option name="version" value="1" />
+  </component>
+  <component name="Vcs.Log.Tabs.Properties">
+    <option name="TAB_STATES">
+      <map>
+        <entry key="MAIN">
+          <value>
+            <State>
+              <option name="RECENTLY_FILTERED_USER_GROUPS">
+                <collection />
+              </option>
+              <option name="RECENTLY_FILTERED_BRANCH_GROUPS">
+                <collection />
+              </option>
+              <option name="COLUMN_ORDER">
+                <list>
+                  <option value="0" />
+                  <option value="1" />
+                  <option value="2" />
+                  <option value="3" />
+                </list>
+              </option>
+            </State>
+          </value>
+        </entry>
+      </map>
+    </option>
   </component>
   <component name="Vcs.Log.UiProperties">
     <option name="RECENTLY_FILTERED_USER_GROUPS">
@@ -270,96 +784,211 @@
   <component name="VcsContentAnnotationSettings">
     <option name="myLimit" value="2678400000" />
   </component>
-  <component name="XDebuggerManager">
-    <breakpoint-manager />
-    <watches-manager />
+  <component name="VcsManagerConfiguration">
+    <MESSAGE value="添加默认记数方法；" />
+    <MESSAGE value="httpRequest()更名为request();" />
+    <MESSAGE value="更新 request 的传参；" />
+    <MESSAGE value="去掉 get,put,post,delete 函数的 callback;" />
+    <MESSAGE value="为getRequestCount和saveRequestCount包装 token 参数；" />
+    <MESSAGE value="去掉了 getRequestCount和saveRequestCount 参数；" />
+    <MESSAGE value="重新实现 request.js;" />
+    <MESSAGE value="request.js 更名为 Request.js;" />
+    <MESSAGE value="Api.js 更新请求的实现；" />
+    <MESSAGE value="添加注释；" />
+    <MESSAGE value="responseHandle 更名；" />
+    <MESSAGE value="添加参数注释；" />
+    <MESSAGE value="调整请求后的操作；" />
+    <MESSAGE value="添加了increment和decrement两个函数；" />
+    <MESSAGE value="支持没有计数的请求;" />
+    <MESSAGE value="忘记调用 request 函数；" />
+    <MESSAGE value="更新Auth.js的请求实现；" />
+    <MESSAGE value="添加判断；" />
+    <MESSAGE value="将 this转移到 self;" />
+    <MESSAGE value="格式化；" />
+    <MESSAGE value="添加 SUMMAND;" />
+    <MESSAGE value="更新了 request.test.js;" />
+    <MESSAGE value="添加请求时间日志；" />
+    <MESSAGE value="let 和 const 修改为 var;" />
+    <MESSAGE value="更新package.json;" />
+    <option name="LAST_COMMIT_MESSAGE" value="更新package.json;" />
   </component>
   <component name="editorHistoryManager">
-    <entry file="file://$PROJECT_DIR$/lib/config.js">
+    <entry file="file://$PROJECT_DIR$/test/webhook.test.js">
       <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="0.0">
-          <caret line="0" column="0" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
-          <folding />
+        <state>
+          <caret line="9" column="31" selection-start-line="9" selection-start-column="31" selection-end-line="9" selection-end-column="31" />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/lib/request.js">
+    <entry file="file://$PROJECT_DIR$/.gitignore">
       <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="0.0">
-          <caret line="13" column="56" selection-start-line="13" selection-start-column="56" selection-end-line="13" selection-end-column="56" />
-          <folding />
+        <state>
+          <caret line="4" column="5" selection-start-line="4" selection-start-column="5" selection-end-line="4" selection-end-column="5" />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/test/webhook.test.js">
+    <entry file="file://$APPLICATION_CONFIG_DIR$/javascript/nodejs/4.4.0/core-modules/querystring.js" />
+    <entry file="file://$PROJECT_DIR$/node_modules/bluebird/js/release/join.js">
+      <provider selected="true" editor-type-id="text-editor" />
+    </entry>
+    <entry file="file://$PROJECT_DIR$/lib/WebHook.js">
       <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="0.0">
-          <caret line="9" column="31" selection-start-line="9" selection-start-column="31" selection-end-line="9" selection-end-column="31" />
-          <folding />
+        <state relative-caret-position="207">
+          <caret line="9" column="21" selection-start-line="9" selection-start-column="21" selection-end-line="9" selection-end-column="21" />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/lib/WebHook.js">
+    <entry file="file://$PROJECT_DIR$/node_modules/bluebird/js/release/timers.js">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="-1398" />
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/node_modules/bluebird/js/release/props.js">
       <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="-4.714286">
-          <caret line="6" column="3" selection-start-line="6" selection-start-column="3" selection-end-line="6" selection-end-column="3" />
-          <folding />
+        <state relative-caret-position="46">
+          <caret line="2" column="46" selection-start-line="2" selection-start-column="27" selection-end-line="2" selection-end-column="46" />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/.gitignore">
+    <entry file="file://$PROJECT_DIR$/node_modules/bluebird/js/release/method.js">
       <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="-3.142857">
-          <caret line="4" column="5" selection-start-line="4" selection-start-column="5" selection-end-line="4" selection-end-column="5" />
-          <folding />
+        <state relative-caret-position="46">
+          <caret line="2" column="47" selection-start-line="2" selection-start-column="28" selection-end-line="2" selection-end-column="47" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/node_modules/bluebird/js/release/bind.js">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="-761">
+          <caret line="1" column="64" selection-start-line="1" selection-start-column="45" selection-end-line="1" selection-end-column="64" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/node_modules/bluebird/js/release/using.js">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="1932">
+          <caret line="84" column="12" selection-start-line="84" selection-start-column="4" selection-end-line="84" selection-end-column="12" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/node_modules/bluebird/js/release/settle.js">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="-158">
+          <caret line="2" column="20" selection-start-line="2" selection-start-column="13" selection-end-line="2" selection-end-column="20" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/node_modules/bluebird/js/release/promisify.js">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="-1971">
+          <caret line="16" column="13" lean-forward="true" selection-start-line="16" selection-start-column="13" selection-end-line="16" selection-end-column="13" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/node_modules/bluebird/js/release/context.js">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="-779">
+          <caret line="1" column="33" selection-start-line="1" selection-start-column="26" selection-end-line="1" selection-end-column="33" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/node_modules/bluebird/js/release/generators.js">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="638">
+          <caret line="205" column="17" selection-start-line="205" selection-start-column="8" selection-end-line="205" selection-end-column="17" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/node_modules/bluebird/js/release/bluebird.js">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="184">
+          <caret line="8" column="29" selection-start-line="8" selection-start-column="29" selection-end-line="8" selection-end-column="29" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/lib/util.js">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="115">
+          <caret line="5" column="38" lean-forward="true" selection-start-line="5" selection-start-column="38" selection-end-line="5" selection-end-column="38" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/node_modules/bluebird/js/release/thenables.js">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="161">
+          <caret line="7" column="24" lean-forward="true" selection-start-line="7" selection-start-column="24" selection-end-line="7" selection-end-column="24" />
         </state>
       </provider>
     </entry>
-    <entry file="file://$APPLICATION_CONFIG_DIR$/javascript/nodejs/4.4.0/core-modules/querystring.js">
+    <entry file="file://$PROJECT_DIR$/node_modules/bluebird/js/release/promise.js">
       <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="5.8327403">
-          <caret line="149" column="13" selection-start-line="149" selection-start-column="4" selection-end-line="149" selection-end-column="13" />
-          <folding />
+        <state relative-caret-position="303">
+          <caret line="44" column="42" selection-start-line="44" selection-start-column="42" selection-end-line="44" selection-end-column="42" />
         </state>
       </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/lib/Api.js">
       <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="0.2983051">
-          <caret line="8" column="15" selection-start-line="8" selection-start-column="15" selection-end-line="8" selection-end-column="15" />
-          <folding />
+        <state relative-caret-position="107">
+          <caret line="14" column="3" lean-forward="true" selection-start-line="14" selection-start-column="3" selection-end-line="14" selection-end-column="3" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/lib/Request.js">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="613">
+          <caret line="45" column="25" lean-forward="true" selection-start-line="45" selection-start-column="25" selection-end-line="45" selection-end-column="25" />
+          <folding>
+            <element signature="e#1806#1896#0" />
+            <element signature="e#1941#2517#0" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/lib/config.js">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="667">
+          <caret line="29" column="21" selection-start-line="29" selection-start-column="21" selection-end-line="29" selection-end-column="21" />
         </state>
       </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/index.js">
       <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="0.0">
-          <caret line="2" column="25" selection-start-line="2" selection-start-column="25" selection-end-line="2" selection-end-column="25" />
-          <folding />
+        <state relative-caret-position="46">
+          <caret line="2" column="25" lean-forward="true" selection-start-line="2" selection-start-column="25" selection-end-line="2" selection-end-column="25" />
         </state>
       </provider>
     </entry>
+    <entry file="file://$PROJECT_DIR$/test/api.test.js">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="-242" />
+      </provider>
+    </entry>
     <entry file="file://$PROJECT_DIR$/lib/Auth.js">
       <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="0.0">
-          <caret line="4" column="4" selection-start-line="4" selection-start-column="4" selection-end-line="4" selection-end-column="4" />
-          <folding />
+        <state>
+          <caret line="30" selection-start-line="30" selection-end-line="30" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/package.json">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="46">
+          <caret line="2" column="19" selection-start-line="2" selection-start-column="19" selection-end-line="2" selection-end-column="19" />
         </state>
       </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/test/auth.test.js">
       <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="0.0">
-          <caret line="143" column="55" selection-start-line="143" selection-start-column="55" selection-end-line="143" selection-end-column="55" />
-          <folding />
+        <state relative-caret-position="154">
+          <caret line="168" column="11" lean-forward="true" selection-start-line="168" selection-start-column="11" selection-end-line="168" selection-end-column="11" />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/package.json">
+    <entry file="file://$PROJECT_DIR$/test/request.test.js">
       <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="0.47058824">
-          <caret line="12" column="4" selection-start-line="12" selection-start-column="4" selection-end-line="12" selection-end-column="4" />
-          <folding />
+        <state relative-caret-position="337">
+          <caret line="29" column="24" lean-forward="true" selection-start-line="29" selection-start-column="24" selection-end-line="29" selection-end-column="24" />
         </state>
       </provider>
     </entry>
diff --git a/README.md b/README.md
index 22cd27e..920ebc3 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,8 @@
 # yhsd-api-node
 
-友好速搭 API SDK for Node
+友好速搭 API SDK for Node(v4.9.1)
+支持`Promise`依赖[bluebird](https://github.com/petkaantonov/bluebird)。
+
 
 [![Build status](https://img.shields.io/travis/yeezon/yhsd-api-node.svg?style=flat-square)](https://travis-ci.org/yeezon/yhsd-api-node)
 [![Coverage Status](https://img.shields.io/coveralls/yeezon/yhsd-api-node.svg?style=flat-square)](https://coveralls.io/repos/yeezon/yhsd-api-node)
@@ -20,22 +22,22 @@ var Yhsd = require('yhsd-api');
 
 /**
  * 初始化
- * @param {Object} options
+ * @param {object} options
+ * @param {string} options.appKey 应用的appKey
+ * @param {string} options.appSecret 应用的appSecret
+ * @param {string} options.callbackUrl 用于开放应用，应用管理后台设置的回调地址
+ * @param {string} options.redirectUrl 用于开放应用，可选，自定义回调地址，默认同 callbackUrl
+ * @param {Array} options.scope 用于开放应用，可选，权限范围，默认为 ['read_basic']
+ * @param {Boolean} options.private 可选，是否为私有应用，默认为 false
+ * @param {string} options.protocol 可选，'http'或者'https',默认'https'
+ * @param {string} options.host 可选，授权接口域名,默认'apps.youhaosuda.com'
  * @constructor
- *
- * options 可选值：
- * appKey {string} 应用的appKey
- * appSecret {string} 应用的appSecret
- * callbackUrl {string} 用于开放应用，应用管理后台设置的回调地址
- * redirectUrl {string} 用于开放应用，可选，自定义回调地址，默认同 callbackUrl
- * scope {Array} 用于开放应用，可选，权限范围，默认为 ['read_basic']
- * private {boolean} 可选，是否为私有应用，默认为 false
  */
 var auth = new Yhsd.Auth(options);
 
 /**
  * 验证 Hmac
- * @param {Object} queryObj 回调地址的参数对象
+ * @param {object} queryObj 回调地址的参数对象
  * @return {boolean}
  */
 auth.verifyHmac(queryObj);
@@ -51,9 +53,9 @@ auth.getAuthorizeUrl(shopKey, state);
 /**
  * 获取 token
  * @param {string} [code]，用于开放应用
- * @param {Function} callback(err, token)
+ * @returns {Object<Promise>}
  */
-auth.getToken(code, callback);
+auth.getToken(code);
 ```
 
 详见
@@ -66,10 +68,10 @@ var Yhsd = require('yhsd-api');
 var auth = new Yhsd.Auth({
     appKey: '8fce436b6fe74d5c8e2317**********',
     appSecret: '3c91e9bd912145de953e0d**********',
-	private: true
+    private: true
 });
-auth.getToken(function(err, token) {
-	console.log(token);
+auth.getToken().then(function (token) {
+    console.log(token);
 });
 ```
 
@@ -81,6 +83,11 @@ var Yhsd = require('yhsd-api');
 /**
  * 初始化
  * @param {string} token
+ * @param {object} option
+ * @param {string} option.protocol 可选，'http'或者'https',默认'https'
+ * @param {string} option.host 可选，开发 API 接口域名,默认'api.youhaosuda.com'
+ * @param {function} option.getRequestCount 获取请求数函数
+ * @param {function} option.saveRequestCount 存储请求数函数
  * @constructor
  */
 var api = new Yhsd.Api(token);
@@ -88,33 +95,33 @@ var api = new Yhsd.Api(token);
 /**
  * 发送 GET 请求
  * @param {string} path
- * @param {Object} [query]
- * @param {Function} callback(err, data)
+ * @param {object} [query]
+ * @returns {Object<Promise>}
  */
-api.get(path, query, callback);
+api.get(path, query);
 
 /**
  * 发送 PUT 请求
  * @param {string} path
- * @param {Object} data
- * @param {Function} callback
+ * @param {object} data
+ * @returns {Object<Promise>}
  */
-api.put(path, data, callback);
+api.put(path, data);
 
 /**
  * 发送 POST 请求
  * @param {string} path
- * @param {Object} data
- * @param {Function} callback
+ * @param {object} data
+ * @returns {Object<Promise>}
  */
-api.post(path, data, callback);
+api.post(path, data);
 
 /**
  * 发送 DELETE 请求
  * @param {string} path
- * @param {Function} callback
+ * @returns {Object<Promise>}
  */
-api.delete(path, callback);
+api.delete(path);
 ```
 
 详见
@@ -124,13 +131,22 @@ https://docs.youhaosuda.com/app/553e335f0abc3e6f3e000023
 
 ```javascript
 var Yhsd = require('yhsd-api');
-var api = new Yhsd.Api('2be799bf87144c2fbb881a**********');
+var reqCountMap = {};
+var api = new Yhsd.Api('2be799bf87144c2fbb881a**********',{
+  getRequestCount: function (token){
+    return reqCountMap[token];
+  },
+  saveRequestCount: function (token, count){
+    reqCountMap[token] = count;
+    return count;
+  }
+});
 // 获取顾客列表
-api.get('customers', { fields: 'id,name' }, function(err, data) {
+api.get('customers', { fields: 'id,name' }).then(function (data) {
 	console.log(data);
 });
 // 获取指定顾客
-api.get('customers/100', function(err, data) {
+api.get('customers/100').then(function (data) {
     console.log(data);
 });
 ```
diff --git a/coverage/coverage.json b/coverage/coverage.json
index e53ff79..00a3d61 100644
--- a/coverage/coverage.json
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 LF:14
 LH:10
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+BRDA:15,4,0,0
+BRDA:15,4,1,4
+BRF:8
+BRH:4
 end_of_record
 TN:
-SF:/Users/calvin/source/yeezon/yhsd-api-node/lib/Auth.js
+SF:/Users/am/WebstormProjects/yhsd-api-node/lib/Auth.js
 FN:21,(anonymous_1)
-FN:40,(anonymous_2)
-FN:57,(anonymous_3)
-FN:75,(anonymous_4)
-FN:103,(anonymous_5)
-FN:118,(anonymous_6)
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 FNF:6
 FNH:6
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 FNDA:2,(anonymous_3)
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 FNDA:3,(anonymous_5)
 FNDA:1,(anonymous_6)
 DA:1,1
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 DA:21,1
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 DA:23,1
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 DA:108,3
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 DA:122,1
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 BRDA:22,1,0,1
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 BRDA:26,4,0,1
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-BRDA:108,14,0,2
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-BRDA:112,15,1,1
-BRF:31
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+BRDA:26,4,1,9
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+BRDA:104,19,1,1
+BRDA:115,20,0,0
+BRDA:115,20,1,1
+BRF:41
+BRH:37
 end_of_record
 TN:
-SF:/Users/calvin/source/yeezon/yhsd-api-node/lib/request.js
-FN:4,(anonymous_1)
-FN:8,(anonymous_2)
-FN:14,(anonymous_3)
-FN:16,(anonymous_4)
-FN:27,(anonymous_5)
-FN:30,(anonymous_6)
-FNF:6
-FNH:5
-FNDA:4,(anonymous_1)
-FNDA:10,(anonymous_2)
-FNDA:10,(anonymous_3)
-FNDA:10,(anonymous_4)
-FNDA:10,(anonymous_5)
-FNDA:0,(anonymous_6)
+SF:/Users/am/WebstormProjects/yhsd-api-node/lib/Request.js
+FN:15,genStringify
+FN:36,increment
+FN:45,decrement
+FN:56,(anonymous_4)
+FN:69,(anonymous_5)
+FN:73,(anonymous_6)
+FN:76,(anonymous_7)
+FN:98,(anonymous_8)
+FN:101,(anonymous_9)
+FN:104,(anonymous_10)
+FN:119,(anonymous_11)
+FN:127,(anonymous_12)
+FN:132,(anonymous_13)
+FN:150,(anonymous_14)
+FNF:14
+FNH:14
+FNDA:7,genStringify
+FNDA:208,increment
+FNDA:207,decrement
+FNDA:15,(anonymous_4)
+FNDA:212,(anonymous_5)
+FNDA:212,(anonymous_6)
+FNDA:212,(anonymous_7)
+FNDA:212,(anonymous_8)
+FNDA:211,(anonymous_9)
+FNDA:211,(anonymous_10)
+FNDA:211,(anonymous_11)
+FNDA:212,(anonymous_12)
+FNDA:208,(anonymous_13)
+FNDA:211,(anonymous_14)
 DA:1,1
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-DA:8,1
-DA:9,10
-DA:10,0
-DA:11,0
-DA:13,10
-DA:14,10
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+BRDA:154,17,1,0
+BRDA:154,18,0,207
+BRDA:154,18,1,207
+BRF:36
+BRH:32
 end_of_record
 TN:
-SF:/Users/calvin/source/yeezon/yhsd-api-node/lib/Api.js
-FN:11,(anonymous_1)
+SF:/Users/am/WebstormProjects/yhsd-api-node/lib/Api.js
+FN:12,check
 FN:25,(anonymous_2)
-FN:32,(anonymous_3)
-FN:42,(anonymous_4)
-FN:46,(anonymous_5)
-FN:56,(anonymous_6)
-FN:60,(anonymous_7)
-FN:69,(anonymous_8)
-FN:73,(anonymous_9)
-FN:83,(anonymous_10)
-FN:92,(anonymous_11)
+FN:35,(anonymous_3)
+FN:46,(anonymous_4)
+FN:47,(anonymous_5)
+FN:66,(anonymous_6)
+FN:92,(anonymous_7)
+FN:104,(anonymous_8)
+FN:116,(anonymous_9)
+FN:127,(anonymous_10)
+FN:140,(anonymous_11)
 FNF:11
 FNH:11
-FNDA:2,(anonymous_1)
-FNDA:3,(anonymous_2)
-FNDA:2,(anonymous_3)
-FNDA:2,(anonymous_4)
-FNDA:1,(anonymous_5)
+FNDA:2,check
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+FNDA:22,(anonymous_3)
+FNDA:4,(anonymous_4)
+FNDA:37,(anonymous_5)
 FNDA:3,(anonymous_6)
-FNDA:2,(anonymous_7)
-FNDA:3,(anonymous_8)
-FNDA:2,(anonymous_9)
-FNDA:7,(anonymous_10)
-FNDA:7,(anonymous_11)
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+BRF:31
+BRH:28
 end_of_record
 TN:
-SF:/Users/calvin/source/yeezon/yhsd-api-node/lib/WebHook.js
+SF:/Users/am/WebstormProjects/yhsd-api-node/lib/util.js
+FN:2,(anonymous_1)
+FN:5,(anonymous_2)
+FN:8,(anonymous_3)
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+LH:1
+BRDA:3,1,0,0
+BRDA:3,1,1,0
+BRDA:3,1,2,0
+BRF:3
+BRH:0
+end_of_record
+TN:
+SF:/Users/am/WebstormProjects/yhsd-api-node/lib/WebHook.js
 FN:8,(anonymous_1)
 FN:22,(anonymous_2)
 FNF:2
 FNH:2
 FNDA:2,(anonymous_1)
-FNDA:2,(anonymous_2)
+FNDA:4,(anonymous_2)
 DA:1,1
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 DA:8,1
 DA:9,2
 DA:10,1
 DA:12,1
 DA:15,1
-DA:23,2
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 DA:24,1
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-LF:10
-LH:10
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+LH:12
 BRDA:9,1,0,1
 BRDA:9,1,1,1
 BRDA:23,2,0,1
-BRDA:23,2,1,1
+BRDA:23,2,1,3
 BRF:4
 BRH:4
 end_of_record
diff --git a/lib/Api.js b/lib/Api.js
index ec2cc9d..233e012 100644
--- a/lib/Api.js
+++ b/lib/Api.js
@@ -1,104 +1,152 @@
-var querystring = require('querystring'),
-  config = require('./config'),
-  request = require('./request'),
-  paramError = new Error('缺少参数');
+var querystring = require('querystring');
+var Promise = require('bluebird');
+
+var util = require('./util');
+var config = require('./config');
+var Request = require('./Request');
+
+var reqCountMap = {};
+paramError = new Error('缺少参数');
+promiseError = new Error('`getRequestCount`和`saveRequestCount`必须是 function');
+
+function check(option) {
+  if (option &&
+    (option.getRequestCount || option.saveRequestCount) &&
+    (!util.isFunction(option.getRequestCount) || !util.isFunction(option.saveRequestCount))) {
+    throw promiseError;
+  }
+}
+
+/**
+ * 请求数的读取操作
+ * @param token 商店 token
+ * @type {null|Function}
+ */
+var getReqCountHandle = function (token) {
+  return reqCountMap[token];
+};
+
+/**
+ * 请求数的保存操作
+ * @param token 商店 token
+ * @param count 需要保存的请求数
+ * @type {null|Function}
+ */
+var saveReqCountHandle = function (token, count) {
+  reqCountMap[token] = count;
+  return reqCountMap[token];
+};
+
+/**
+ * 包装 token 函数
+ * @param token
+ * @param fn
+ * @returns {function()}
+ */
+var reqCountWrap = function (token, fn) {
+  return function () {
+    // arguments 转成数组
+    var args = Array.prototype.slice.call(arguments);
+    // 插入 token
+    args.unshift(token);
+    return Promise.cast(fn.call(null, args));
+  };
+};
 
 /**
  * 初始化
  * @param {string} token
+ * @param {object} option
+ * @param {string} option.protocol 可选，'http'或者'https',默认'https'
+ * @param {string} option.host 可选，开发 API 接口域名,默认'api.youhaosuda.com'
+ * @param {function} option.getRequestCount 获取请求数函数
+ * @param {function} option.saveRequestCount 存储请求数函数
  * @constructor
  */
-var Api = function(token) {
+var Api = function (token, option) {
   if (arguments.length < 1) {
     throw paramError;
   }
+  check(option);
+
   this.token = token;
+  this.host = (option && option.host) || config.apiHost;
+  // 存取请求数的回调函数
+  this.getRequestCount = option && option.getRequestCount || getReqCountHandle;
+  this.saveRequestCount = option && option.saveRequestCount || saveReqCountHandle;
+  // 请求实例
+  this._request = new Request({
+    protocol: (option && option.protocol) || config.httpProtocol,
+    getRequestCount: reqCountWrap(this.token, this.getRequestCount),
+    saveRequestCount: reqCountWrap(this.token, this.saveRequestCount),
+  });
 };
 
 Api.prototype = {
   /**
    * 发送 GET 请求
    * @param {string} path
-   * @param {Object} [query]
-   * @param {Function} callback
+   * @param {object} query
+   * @returns {Object<Promise>}
    */
-  get: function(path, query, callback) {
-    if (arguments.length < 2) {
+  get: function (path, query) {
+    if (arguments.length < 1) {
       throw paramError;
-    } else if (arguments.length < 3) {
-      callback = query;
-      query = null;
     }
-    this.httpRequest('GET', query ? path + '?' + querystring.stringify(query) : path, null, function(err, data) {
-      callback && (callback(err, err ? null : data));
-    });
+    return this.request('GET', query ? path + '?' + querystring.stringify(query) : path, null);
   },
   /**
    * 发送 PUT 请求
    * @param {string} path
-   * @param {Object} data
-   * @param {Function} callback
+   * @param {object} data
+   * @returns {Object<Promise>}
    */
-  put: function(path, data, callback) {
-    if (arguments.length < 3) {
+  put: function (path, data) {
+    if (arguments.length < 2) {
       throw paramError;
     }
-    this.httpRequest('PUT', path, data, function(err, data) {
-      callback && (callback(err, err ? null : data));
-    });
+    return this.request('PUT', path, data);
   },
   /**
    * 发送 POST 请求
    * @param {string} path
-   * @param {Object} data
-   * @param {Function} callback
+   * @param {object} data
+   * @returns {Object<Promise>}
    */
-  post: function(path, data, callback) {
-    if (arguments.length < 3) {
+  post: function (path, data) {
+    if (arguments.length < 2) {
       throw paramError;
     }
-    this.httpRequest('POST', path, data, function(err, data) {
-      callback && (callback(err, err ? null : data));
-    });
+    return this.request('POST', path, data);
   },
   /**
    * 发送 DELETE 请求
    * @param {string} path
-   * @param {Function} callback
+   * @returns {Object<Promise>}
    */
-  delete: function(path, callback) {
-    if (arguments.length < 2) {
+  delete: function (path) {
+    if (arguments.length < 1) {
       throw paramError;
     }
-    this.httpRequest('DELETE', path, null, function(err) {
-      callback && (callback(err));
-    });
+    return this.request('DELETE', path, null);
   },
   /**
+   * 请求函数
    * @param {string} method
    * @param {string} path
-   * @param {Object} [params]
-   * @param {Function} callback
+   * @param {object} params
+   * @returns {Object<Promise>}
    */
-  httpRequest: function(method, path, params, callback) {
-    request({
-      hostname: config.apiHost,
+  request: function (method, path, params) {
+    return this._request.request({
+      hostname: this.host,
       path: '/v1/' + path,
       method: method,
       headers: {
         'Content-Type': 'application/json',
         'X-API-ACCESS-TOKEN': this.token
       }
-    }, params, function(err, data) {
-      if (err) {
-        return callback(err);
-      }
-      if (data.code) {
-        callback(data);
-      } else {
-        callback(null, data);
-      }
-    });
+    }, params);
   }
 };
 
diff --git a/lib/Auth.js b/lib/Auth.js
index 6d94a99..4bb112f 100644
--- a/lib/Auth.js
+++ b/lib/Auth.js
@@ -1,126 +1,129 @@
-var querystring = require('querystring'),
-    crypto = require('crypto'),
-    config = require('./config'),
-    request = require('./request'),
-    timeOffset = 1000 * 60 * 10,
-    paramError = new Error('缺少参数');
+var querystring = require('querystring');
+var crypto = require('crypto');
+var config = require('./config');
+var Request = require('./Request');
+var timeOffset = 1000 * 60 * 10;
+var paramError = new Error('缺少参数');
 
 /**
- * 初始化
+ * 构造函数
  * @param {Object} options
+ * @param {string} options.appKey 应用的appKey
+ * @param {string} options.appSecret 应用的appSecret
+ * @param {string} options.callbackUrl 用于开放应用，应用管理后台设置的回调地址
+ * @param {string} options.redirectUrl 用于开放应用，可选，自定义回调地址，默认同 callbackUrl
+ * @param {Array} options.scope 用scope 于开放应用，可选，权限范围，默认为 ['read_basic']
+ * @param {Boolean} options.private  可选，是否为私有应用，默认为 false
+ * @param {string} options.protocol 可选，'http'或者'https',默认'https'
+ * @param {string} options.host 可选，开发 API 接口域名,默认'api.youhaosuda.com'
  * @constructor
- *
- * options 可选值：
- * appKey {string} 应用的appKey
- * appSecret {string} 应用的appSecret
- * callbackUrl {string} 用于开放应用，应用管理后台设置的回调地址
- * redirectUrl {string} 用于开放应用，可选，自定义回调地址，默认同 callbackUrl
- * scope {Array} 用于开放应用，可选，权限范围，默认为 ['read_basic']
- * private {boolean} 可选，是否为私有应用，默认为 false
  */
 var Auth = function (options) {
-    if (arguments.length < 1 || !options.appKey || !options.appSecret) {
-        throw paramError;
-    }
-    if (!options.private) {
-        if (!options.callbackUrl) {
-            throw paramError;
-        }
-        options.scope || (options.scope = ['read_basic']);
+  if (arguments.length < 1 || !options.appKey || !options.appSecret) {
+    throw paramError;
+  }
+  if (!options.private) {
+    if (!options.callbackUrl) {
+      throw paramError;
     }
-    this.options = options;
+    options.scope || (options.scope = ['read_basic']);
+  }
+
+  this.app_key = options.appKey || '';
+  this.app_secret = options.appSecret || '';
+  this.private = options.private || false;
+  this.callback_url = options.callbackUrl || '';
+  this.scope = options.scope || '';
+  this.redirect_url = options.redirectUrl || '';
+  this.protocol = options.protocol || config.httpProtocol;
+  this.host = options.host || config.appHost;
+  this._request = new Request({
+    protocol: this.protocol,
+  });
 };
 
 Auth.prototype = {
-    /**
-     * 验证 Hmac
-     * @param {Object} queryObj 回调地址的参数对象
-     * @return {boolean}
-     */
-    verifyHmac: function (queryObj) {
-        if (arguments.length < 1) {
-            throw paramError;
-        }
-        var hmac = queryObj.hmac;
-        delete queryObj.hmac;
-        return (Date.now() - new Date(queryObj.time_stamp).getTime() < timeOffset) &&
-            (hmac === crypto.createHmac('sha256', this.options.appSecret)
-                .update(decodeURIComponent(querystring.stringify(queryObj)), 'utf8')
-                .digest('hex'));
-    },
-    /**
-     * 获取应用授权页面地址，用于开放应用
-     * @param {string} shopKey
-     * @param {string} state
-     * @return {string}
-     */
-    getAuthorizeUrl: function (shopKey, state) {
-        if (arguments.length < 1) {
-            throw paramError;
-        }
-        return config.httpProtocol + '://' + config.appHost + '/oauth2/authorize?' + querystring.stringify({
-                response_type: 'code',
-                client_id: this.options.appKey,
-                shop_key: shopKey,
-                scope: this.options.scope.join(','),
-                state: state,
-                redirect_uri: this.options.redirectUrl
-            }, null, null, {encodeURIComponent: null});
-    },
-    /**
-     * 获取 token
-     * @param {string} code，用于开放应用
-     * @param {Function} callback(err, token)
-     */
-    getToken: function (code, callback) {
-        var params,
-            headers = {'Content-Type': 'application/x-www-form-urlencoded'};
-        if (this.options.private) {
-            if (arguments.length < 1) {
-                throw paramError;
-            }
-            callback = arguments[0];
-            headers.Authorization = 'Basic ' + new Buffer(this.options.appKey + ':' + this.options.appSecret).toString('base64');
-            params = {
-                grant_type: 'client_credentials'
-            };
-        } else {
-            if (arguments.length < 2) {
-                throw paramError;
-            }
-            params = {
-                grant_type: 'authorization_code',
-                code: code,
-                client_id: this.options.appKey,
-                redirect_uri: this.options.redirectUrl ? this.options.redirectUrl : this.options.callbackUrl
-            };
-        }
-        request({
-            hostname: config.appHost,
-            path: '/oauth2/token',
-            method: 'POST',
-            headers: headers
-        }, params, function (err, data) {
-            if (err) {
-               return callback(err);
-            }
+  /**
+   * 验证 Hmac
+   * @param {Object} queryObj 回调地址的参数对象
+   * @return {boolean}
+   */
+  verifyHmac: function (queryObj) {
+    if (arguments.length < 1) {
+      throw paramError;
+    }
+    var hmac = queryObj.hmac;
+    delete queryObj.hmac;
+    return (Date.now() - new Date(queryObj.time_stamp).getTime() < timeOffset) &&
+      (hmac === crypto.createHmac('sha256', this.app_secret)
+        .update(decodeURIComponent(querystring.stringify(queryObj)), 'utf8')
+        .digest('hex'));
+  },
+  /**
+   * 获取应用授权页面地址，用于开放应用
+   * @param {string} shopKey
+   * @param {string} state
+   * @return {string}
+   */
+  getAuthorizeUrl: function (shopKey, state) {
+    if (arguments.length < 1) {
+      throw paramError;
+    }
+    return this.protocol + '://' + this.host + '/oauth2/authorize?' + querystring.stringify({
+      response_type: 'code',
+      client_id: this.app_key,
+      shop_key: shopKey,
+      scope: this.scope.join(','),
+      state: state,
+      redirect_uri: this.redirect_url
+    }, null, null, { encodeURIComponent: null });
+  },
+  /**
+   * 获取 token
+   * @param {string} code，用于开放应用
+   * @returns {Object<Promise>}
+   */
+  getToken: function (code) {
+    var params;
+    var headers = { 'Content-Type': 'application/x-www-form-urlencoded' };
 
-            if(data.error) {
-               return callback(data.error);
-            }
 
-            if (!data.token.length) {
-                return callback('无效的 token');
-            }
-            callback(null, data.token);
-        });
-    },
-    customerData: function (secret_key, customer_data) {
-        var customer_str = JSON.stringify(customer_data);
-        var cipher = crypto.createCipher('aes-256-cbc', secret_key);
-        var crypted = cipher.update(customer_str, 'utf8', 'hex');
-        return cipher.final('hex');
+    if (this.private) {
+      headers.Authorization = 'Basic ' + new Buffer(this.app_key + ':' + this.app_secret).toString('base64');
+      params = {
+        grant_type: 'client_credentials'
+      };
+    } else {
+      if (arguments.length < 1) {
+        throw paramError;
+      }
+      params = {
+        grant_type: 'authorization_code',
+        code: code,
+        client_id: this.app_key,
+        redirect_uri: this.redirect_url ? this.redirect_url : this.callback_url
+      };
     }
+
+    var option = {
+      hostname: this.host,
+      path: '/oauth2/token',
+      method: 'POST',
+      headers: headers
+    };
+    return this._request.request(option, params).then(function (data) {
+      if (!data.token.length) {
+        throw new Error('无效的 token');
+      }
+      return data.token;
+    });
+  },
+  customerData: function (secret_key, customer_data) {
+    var customer_str = JSON.stringify(customer_data);
+    var cipher = crypto.createCipher('aes-256-cbc', secret_key);
+    var crypted = cipher.update(customer_str, 'utf8', 'hex');
+    return cipher.final('hex');
+  }
 };
 
 
diff --git a/lib/Request.js b/lib/Request.js
new file mode 100644
index 0000000..0e324ce
--- /dev/null
+++ b/lib/Request.js
@@ -0,0 +1,167 @@
+var Promise = require('bluebird');
+var querystring = require('querystring');
+var config = require('./config');
+
+var MINUEND = 1; // 每次漏出的数量
+var SUMMAND = 1; // 每次恢复数量
+var API_CALL_LIMIT = 'x-yhsd-shop-api-call-limit'; // yhsd 接口返回的请求量 header
+
+
+/**
+ * stringify 参数
+ * @param options
+ * @returns {*}
+ */
+function genStringify(options) {
+  var stringifyFn;
+  if (options.headers['Content-Type'] &&
+    options.headers['Content-Type'].toLowerCase() === 'application/x-www-form-urlencoded') {
+    stringifyFn = querystring.stringify;
+  } else {
+    switch (options.method.toUpperCase()) {
+      case 'POST':
+      case 'PUT':
+        stringifyFn = JSON.stringify;
+        break;
+    }
+  }
+  return stringifyFn;
+}
+
+/**
+ * 增加1个请求
+ * @param count
+ * @returns {*}
+ */
+function increment(count) {
+  count = count || 0;
+  count += SUMMAND;
+  return count;
+}
+
+/**
+ * 释放1个请求
+ */
+function decrement(count) {
+  count = count || 0;
+  if (count <= MINUEND) {
+    count = 0;
+  } else {
+    count -= MINUEND;
+  }
+  return count;
+}
+
+
+var Request = function (option) {
+  this.getRequestCount = option && option.getRequestCount;
+  this.saveRequestCount = option && option.saveRequestCount;
+  this.counted = this.getRequestCount && this.saveRequestCount;
+  this.protocol = option && option.protocol;
+};
+
+Request.prototype = {
+  /**
+   * 请求操作
+   * @param options
+   * @param params
+   */
+  request: function (options, params) {
+    var self = this;
+
+    return this.onBeforeHandle()
+      .then(function () {
+
+        // 请求 Promise
+        return new Promise(function (resolve, reject) {
+          var client = this.protocol === 'http' ? require('http') : require('https');
+          var req = client.request(options, self.genResponseFn(resolve, reject));
+
+          req.on('error', reject);
+
+          // 发送参数
+          if (params) {
+            var stringify = genStringify(options);
+            req.write(stringify(params));
+          }
+
+          req.end();
+        });
+      });
+  },
+  /**
+   * response 操作
+   * @param resolve
+   * @param reject
+   * @returns {Function}
+   */
+  genResponseFn: function (resolve, reject) {
+    var self = this;
+
+    return function (res) {
+      var buf = [];
+
+      res.on('end', function () {
+        var data = Buffer.concat(buf).toString();
+        try {
+          data = JSON.parse(data);
+        } catch (err) {
+          reject(err);
+        } finally {
+          //释放当前请求数
+          var count = +(config.requestLimit * (eval(res.headers[API_CALL_LIMIT]) + 1e-6)).toFixed(0);
+          self.onAfterHandle(count);
+          //返回结果
+        }
+        resolve(data);
+      });
+
+      res.on('data', function (data) {
+        buf.push(data);
+      });
+    };
+  },
+  /**
+   * 请求前的操作
+   */
+  onBeforeHandle: function () {
+    var self = this;
+
+    if (this.counted) {
+      return this.getRequestCount()
+        .then(function (count) {
+          count = count || 0;
+          //如果请求数超过限制则 setTimeout 排队
+          if (count >= config.requestLimit) {
+            return Promise.delay(config.requestTimeout).then(self.onBeforeHandle);
+          }
+          return count;
+        })
+        .then(increment)
+        .then(this.saveRequestCount);
+    }
+
+    return Promise.resolve();
+  },
+  /**
+   * 请求后的操作
+   * @param count
+   */
+  onAfterHandle: function (count) {
+    var delayMs = count * config.requestTimeout;
+
+    if (this.counted) {
+      if (this.getRequestCount && this.saveRequestCount)
+        return this.saveRequestCount(count)
+          .delay(delayMs)
+          .then(this.getRequestCount)
+          .then(decrement)
+          .then(this.saveRequestCount);
+    }
+
+    return Promise.resolve();
+  }
+};
+
+
+module.exports = Request;
diff --git a/lib/WebHook.js b/lib/WebHook.js
index 298d08e..3eeb189 100644
--- a/lib/WebHook.js
+++ b/lib/WebHook.js
@@ -1,5 +1,5 @@
 var paramError = new Error('缺少参数');
-const crypto = require('crypto');
+var crypto = require('crypto');
 
 /**
  * 初始化
diff --git a/lib/config.js b/lib/config.js
index b02a803..ebab051 100644
--- a/lib/config.js
+++ b/lib/config.js
@@ -1,6 +1,5 @@
 var appHost = 'apps.youhaosuda.com';
 var apiHost = 'api.youhaosuda.com';
-var http = require('https');
 var httpProtocol = 'https';
 
 process.argv.forEach(function (val,index) {
@@ -11,18 +10,19 @@ process.argv.forEach(function (val,index) {
     apiHost = process.argv[index + 1];
   }
   if(val === '-http'){
-    http = require('http');
     httpProtocol = 'http';
   }
+  if(val === '-https'){
+    httpProtocol = 'https';
+  }
 });
 
 
 var config = {
-  http: http,
   httpProtocol: httpProtocol,
   appHost: appHost,
   apiHost: apiHost,
-  requestLimit: 40,
-  requestTimeout: 510
+  requestLimit: 100, // 每秒请求数限制
+  requestTimeout: 100,  // 每个请求数释放所消耗的 ms
 };
 module.exports = config;
diff --git a/lib/request.js b/lib/request.js
deleted file mode 100644
index 2de896c..0000000
--- a/lib/request.js
+++ /dev/null
@@ -1,58 +0,0 @@
-var querystring = require('querystring'),
-  config = require('./config'),
-  requestCount = 0,
-  fnReduceRequestCount = function() {
-    requestCount--;
-  };
-
-var request = function(options, params, callback) {
-  if (requestCount == config.requestLimit) {
-    setTimeout(request, config.requestTimeout, options, params, callback);
-    return;
-  }
-  requestCount++;
-  var req = config.http.request(options, function(res) {
-    var buf = [];
-    res.on('end', function() {
-      var data = Buffer.concat(buf).toString();
-      try {
-        data = JSON.parse(data);
-      } catch (err) {
-        callback(err);
-      } finally {
-        setTimeout(fnReduceRequestCount, config.requestLimit * config.requestTimeout * eval(res.headers['x-yhsd-shop-api-call-limit']));
-      }
-      callback(null, data);
-    });
-    res.on('data', function(data) {
-      buf.push(data);
-    });
-    res.on('error', function(err) {
-      //response error event
-      callback(err);
-    });
-  });
-  
-  req.on('error', function(err) {
-    //request error event
-    callback(err);
-  });
-  
-  if (params) {
-    var stringify;
-    if (options.headers['Content-Type'] && options.headers['Content-Type'].toLowerCase() == 'application/x-www-form-urlencoded') {
-      stringify = querystring.stringify;
-    } else {
-      switch(options.method.toUpperCase()) {
-        case 'POST':
-        case 'PUT':
-          stringify = JSON.stringify;
-          break;
-      }
-    }
-    req.write(stringify(params));
-  }
-  req.end();
-};
-
-module.exports = request;
diff --git a/lib/util.js b/lib/util.js
new file mode 100644
index 0000000..13b37ca
--- /dev/null
+++ b/lib/util.js
@@ -0,0 +1,11 @@
+module.exports = {
+  isPromise: function (object) {
+    return object && this.isObject(object) && this.isFunction(object.then);
+  },
+  isObject: function (object) {
+    return typeof object === 'object';
+  },
+  isFunction: function (fn) {
+    return typeof fn === 'function';
+  }
+};
\ No newline at end of file
diff --git a/package.json b/package.json
index f302d0e..112cd12 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "yhsd-api",
-  "version": "1.0.6",
+  "version": "2.0.0",
   "description": "Youhaosuda API SDK for node.",
   "main": "index.js",
   "repository": {
@@ -26,5 +26,6 @@
     "should": "^8.0.2"
   },
   "dependencies": {
+    "bluebird": "^3.5.1"
   }
 }
diff --git a/test/api.test.js b/test/api.test.js
index 8f68991..3958a21 100644
--- a/test/api.test.js
+++ b/test/api.test.js
@@ -5,154 +5,122 @@ var should = require('should');
 var Yhsd = require('../index');
 
 describe('test/api.test.js', function () {
-    var api;
-    before(function () {
-        api = new Yhsd.Api('fbc7f83524f14e358a325a5066acd741');
-    });
+  var api;
+  before(function () {
+    api = new Yhsd.Api('5e242b4b41d14a2d8f4d80a9c6b05bea');
+  });
 
-    it('get api instance should throw error', function () {
-        (function () {
-            new Yhsd.Api()
-        }).should.throw('缺少参数');
-    });
+  it('get api instance should throw error', function () {
+    (function () {
+      new Yhsd.Api();
+    }).should.throw('缺少参数');
+  });
 
-    it('http get should be throw error', function () {
-        (function () {
-            api.get()
-        }).should.throw('缺少参数');
-    });
+  it('http get should be throw error', function () {
+    (function () {
+      api.get();
+    }).should.throw('缺少参数');
+  });
 
-    it('http get should be success', function (done) {
-        api.get('products', {fields: 'id'}, function (err, body) {
-            should.not.exist(err);
-            should.exist(body);
-            done();
-            //13576
-        })
+  it('http get should be success', function (done) {
+    api.get('products', { fields: 'id' }).then(function (body) {
+      should.exist(body);
+      done();
+      //13576
     });
+  });
 
-    it('http put should be throw error', function () {
-        (function () {
-            api.put()
-        }).should.throw('缺少参数');
-    });
+  it('http put should be throw error', function () {
+    (function () {
+      api.put();
+    }).should.throw('缺少参数');
+  });
 
-    it('http put should be success', function (done) {
-        api.put('themes/13576', {"theme": {"name": "测试主题"}}, function (err, body) {
-            should.not.exist(err);
-            should.exist(body);
-            done();
-            //13576
-        })
+  it('http put should be success', function (done) {
+    api.put('themes/13576', { "theme": { "name": "测试主题" } }).then(function (body) {
+      should.exist(body);
+      done();
+      //13576
     });
+  });
 
-    it('http post should be throw error', function () {
-        (function () {
-            api.post()
-        }).should.throw('缺少参数');
-    });
+  it('http post should be throw error', function () {
+    (function () {
+      api.post();
+    }).should.throw('缺少参数');
+  });
 
-    it('http post should be success', function (done) {
-        var obj = {
-            meta: {
-                name: new Date().getTime() + '',
-                owner_id: '0',
-                owner_resource: 'shop',
-                fields: {'test': 'test'},
-                descriptions: 'test'
-            }
-        };
-        api.post('metas', obj, function (err, body) {
-            should.not.exist(err);
-            should.exist(body);
-            var id = body.meta.id;
-            api.delete('metas/' + id, function (err) {
-                should.not.exist(err);
-                done();
-            })
-        })
+  it('http post should be success', function (done) {
+    var obj = {
+      meta: {
+        name: new Date().getTime() + '',
+        owner_id: '0',
+        owner_resource: 'shop',
+        fields: { 'test': 'test' },
+        descriptions: 'test'
+      }
+    };
+    api.post('metas', obj).then(function (body) {
+      should.exist(body);
+      var id = body.meta.id;
+      api.delete('metas/' + id).then(function (body) {
+        should.exist(body);
+        done();
+      });
     });
+  });
+
+  it('http delete should be throw error', function () {
+    (function () {
+      api.delete();
+    }).should.throw('缺少参数');
+  });
 
-    it('http delete should be throw error', function () {
-        (function () {
-            api.delete()
-        }).should.throw('缺少参数');
+  it('http delete should be success', function (done) {
+    var obj = {
+      meta: {
+        name: new Date().getTime() + '',
+        owner_id: '0',
+        owner_resource: 'shop',
+        fields: { 'test': 'test' },
+        descriptions: 'test'
+      }
+    };
+    api.post('metas', obj).then(function (body) {
+      should.exist(body);
+      var id = body.meta.id;
+      api.delete('metas/' + id).then(function (body) {
+        should.exist(body);
+        done();
+      });
     });
+  });
 
-    it('http delete should be success', function (done) {
-        var obj = {
-            meta: {
-                name: new Date().getTime() + '',
-                owner_id: '0',
-                owner_resource: 'shop',
-                fields: {'test': 'test'},
-                descriptions: 'test'
-            }
-        };
-        api.post('metas', obj, function (err, body) {
-            should.not.exist(err);
-            should.exist(body);
-            var id = body.meta.id;
-            api.delete('metas/' + id, function (err) {
-                should.not.exist(err);
-                done();
-            })
-        })
+  it('api should be return error code 404', function (done) {
+    api.get('12345').then(function (body) {
+      body.code.should.equal(404);
+      done();
     });
+  });
 
-    it('api should be return error code 404', function (done) {
-        api.get('12345', function (err, body) {
-            err.code.should.equal(404);
-            done();
-        })
+  it('api should be throw ENOTFOUND error', function (done) {
+    var api = new Yhsd.Api('5e242b4b41d14a2d8f4d80a9c6b05bea',{
+      host: 'localhost:32876',
+      protocol: 'http'
     });
-  
-    it('api should be throw ENOTFOUND error', function (done) {
-        Yhsd.config.apiHost = 'localhost:32876';
-        Yhsd.config.appHost = 'localhost:32876';
-        Yhsd.config.httpProtocol = 'http';
-        api.get('products',function (err, token) {
-          if (err){
-            // console.log(err.message);
-            var eResult = err.message.indexOf('ENOTFOUND');
-            if (eResult > 0) {
-              (eResult).should.be.ok();
-              done();
-              return;
-            }
-          }
-          console.log(token);
-          done(new Error('没有捕捉到错误!'));
-        });
+    api.get('products').then(function (body) {
+      console.log(body);
+      should.not.exist(body);
+      done(new Error('没有捕捉到错误!'));
+    }).catch(function (err) {
+      // console.log(err.message);
+      var eResult = err.message.indexOf('ENOTFOUND');
+      if (eResult > 0) {
+        (eResult).should.be.ok();
+        done();
+        return;
+      }
     });
-  
-    //it('api should be return error code 429', function (done) {
-    //    var total = 0;
-    //    function _request() {
-    //        var index = 0;
-    //        api.get('shop', function (err, body) {
-    //            ++index;
-    //            if(index == 3) round()
-    //        });
-    //        api.get('shop', function (err, body) {
-    //            ++index;
-    //            if(index == 3) round()
-    //
-    //        });
-    //        api.get('shop', function (err, body) {
-    //            ++index;
-    //            if(index == 3) round()
-    //        });
-    //    }
-    //    function round(){
-    //        total++;
-    //        if(total < 20){
-    //            setTimeout(_request,1000);
-    //        } else {
-    //            done();
-    //        }
-    //    }
-    //    _request();
-    //});
+  });
 });
 
diff --git a/test/auth.test.js b/test/auth.test.js
index 4afcb0d..6c1e2e3 100644
--- a/test/auth.test.js
+++ b/test/auth.test.js
@@ -26,17 +26,6 @@ describe('test/auth.test.js', function () {
         //缺少callbackUrl
     });
 
-    it('get token should throw error', function () {
-        (function () {
-            new Yhsd.Auth({
-                appKey: '548e29e46091449e949a8e1ffe4e4167',
-                appSecret: 'b9fec3d128064ea89f1e9b8324eeabc5',
-                private: true
-            }).getToken()
-        }).should.throw('缺少参数');
-        //缺少参数
-    });
-
     it('get public token should throw error', function () {
         (function () {
             new Yhsd.Auth({
@@ -54,8 +43,7 @@ describe('test/auth.test.js', function () {
             appSecret: 'b9fec3d128064ea89f1e9b8324eeabc5',
             private: true
         });
-        auth.getToken(function (err, token) {
-            should.not.exist(err);
+        auth.getToken().then(function (token) {
             token.should.equal('fbc7f83524f14e358a325a5066acd741');
             done();
         });
@@ -68,7 +56,7 @@ describe('test/auth.test.js', function () {
             appSecret: 'b9fec3d128064ea89f1e9b8324eeabc5' + 'error',
             private: true
         });
-        auth.getToken(function (err, token) {
+        auth.getToken().catch(function (err) {
             should.exist(err);
             done();
         });
@@ -81,7 +69,7 @@ describe('test/auth.test.js', function () {
             appSecret: 'b9fec3d128064ea89f1e9b8324eeabc5' + 'error',
             callbackUrl: 'http://your.app.url'
         });
-        auth.getToken('your code', function (err, token) {
+        auth.getToken('your code').catch(function (err) {
             should.exist(err);
             done();
         });
diff --git a/test/request.test.js b/test/request.test.js
new file mode 100644
index 0000000..9bec36e
--- /dev/null
+++ b/test/request.test.js
@@ -0,0 +1,78 @@
+/**
+ * Created by obzerg on 16/1/5.
+ */
+var Promise = require('bluebird');
+var should = require('should');
+
+var Request = require('../lib/Request');
+var Yhsd = require('../index');
+var reqCountMap = {};
+var token = '5e242b4b41d14a2d8f4d80a9c6b05bea';
+
+describe('test/request.test.js', function () {
+  describe('auth request', function () {
+    var _request = new Request();
+    it('should return token', function (done) {
+      console.time('complete');
+      _request.request({
+        hostname: Yhsd.config.appHost,
+        path: '/oauth2/token',
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/x-www-form-urlencoded',
+          Authorization: 'Basic NGQwYzZkMmMxMjQ1NDI4NGJjYzVjNDViMTQyODZkOTM6ZWQ5NDY5NDI2MGEwNGZmY2EwMTVhNzVmM2Q4MmUzMDA=',
+        }
+      }, {
+        grant_type: 'client_credentials',
+      }).then(function (data) {
+        // console.timeEnd('complete');
+        // console.log('token', data);
+        should.ok(data);
+        token = data;
+        done();
+      });
+    });
+  });
+
+  describe('api request', function () {
+    var _request = new Request({
+      getRequestCount: function () {
+        return Promise.resolve(reqCountMap[token] || 0);
+      },
+      saveRequestCount: function (count) {
+        reqCountMap[token] = count;
+        return Promise.resolve(count);
+      },
+    });
+    it('should return ok', function (done) {
+      var i = 0;
+
+      function request() {
+        console.time('complete');
+        _request.request({
+          hostname: Yhsd.config.apiHost,
+          path: '/v1/shop',
+          method: 'GET',
+          headers: {
+            'Content-Type': 'application/json',
+            'X-API-ACCESS-TOKEN': token
+          }
+        })
+          .then(function () {
+            // console.timeEnd('complete');
+            // console.log(reqCountMap[token], i);
+          })
+          .then(function () {
+            if (i < 200) {
+              request();
+              return;
+            }
+            done();
+          });
+        i++;
+      }
+
+      request();
+    });
+  });
+});