diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index fe1681f..9a8b832 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -2,9 +2,10 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="be5bf74e-ad1c-4197-8a1f-ac93566d8aa7" name="Default" comment="init">
+      <change type="NEW" beforePath="" afterPath="$PROJECT_DIR$/基础概念/AutoML/高斯过程回归/高斯过程回归.pdf" />
       <change type="MODIFICATION" beforePath="$PROJECT_DIR$/.idea/workspace.xml" afterPath="$PROJECT_DIR$/.idea/workspace.xml" />
       <change type="MODIFICATION" beforePath="$PROJECT_DIR$/README.md" afterPath="$PROJECT_DIR$/README.md" />
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/基础概念/AutoML/AutoML.md" afterPath="$PROJECT_DIR$/基础概念/AutoML/AutoML.md" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/机器学习/逻辑回归/lr.md" afterPath="$PROJECT_DIR$/机器学习/逻辑回归/lr.md" />
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     <ignored path="Reflection_Summary.iws" />
     <ignored path=".idea/workspace.xml" />
@@ -25,7 +26,7 @@
   </component>
   <component name="FileEditorManager">
     <leaf SIDE_TABS_SIZE_LIMIT_KEY="300">
-      <file leaf-file-name="README.md" pinned="false" current-in-tab="false">
+      <file leaf-file-name="README.md" pinned="false" current-in-tab="true">
         <entry file="file://$PROJECT_DIR$/README.md">
           <provider editor-type-id="split-provider[text-editor;MarkdownPreviewEditor]">
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@@ -40,56 +41,8 @@
           </provider>
           <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
             <state split_layout="SPLIT">
-              <first_editor relative-caret-position="180">
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-              </first_editor>
-              <second_editor />
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-        </entry>
-      </file>
-      <file leaf-file-name="AutoML.md" pinned="false" current-in-tab="true">
-        <entry file="file://$PROJECT_DIR$/基础概念/AutoML/AutoML.md">
-          <provider editor-type-id="split-provider[text-editor;MarkdownPreviewEditor]">
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-      <file leaf-file-name="CRF.md" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/自然语言处理/CRF.md">
-          <provider editor-type-id="split-provider[text-editor;MarkdownPreviewEditor]">
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-                <caret line="19" column="16" selection-start-line="19" selection-start-column="16" selection-end-line="19" selection-end-column="16" />
+              <first_editor relative-caret-position="240">
+                <caret line="60" column="15" selection-start-line="60" selection-start-column="7" selection-end-line="60" selection-end-column="15" />
                 <folding />
               </first_editor>
               <second_editor />
@@ -126,7 +79,6 @@
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         <option value="$PROJECT_DIR$/数学/泰勒公式/泰勒公式.md" />
         <option value="$PROJECT_DIR$/数据预处理/特征提取/数据变换.md" />
-        <option value="$PROJECT_DIR$/机器学习/逻辑回归/lr.md" />
         <option value="$PROJECT_DIR$/基础概念/生成与判别模型/生成与判别模型.md" />
         <option value="$PROJECT_DIR$/数学/欧拉公式/欧拉公式.md" />
         <option value="$PROJECT_DIR$/数学/概率密度分布/概率密度分布.md" />
@@ -151,8 +103,9 @@
         <option value="$PROJECT_DIR$/推荐/XDeepFM.md" />
         <option value="$PROJECT_DIR$/深度学习/残差网络.md" />
         <option value="$PROJECT_DIR$/基础概念/AutoML/AutoSklearn详解.md" />
-        <option value="$PROJECT_DIR$/README.md" />
         <option value="$PROJECT_DIR$/基础概念/AutoML/AutoML.md" />
+        <option value="$PROJECT_DIR$/机器学习/逻辑回归/lr.md" />
+        <option value="$PROJECT_DIR$/README.md" />
       </list>
     </option>
   </component>
@@ -229,7 +182,6 @@
       <foldersAlwaysOnTop value="true" />
     </navigator>
     <panes>
-      <pane id="Scratches" />
       <pane id="ProjectPane">
         <subPane>
           <PATH>
@@ -282,13 +234,14 @@
           </PATH>
         </subPane>
       </pane>
+      <pane id="Scratches" />
       <pane id="Scope" />
     </panes>
   </component>
   <component name="PropertiesComponent">
     <property name="settings.editor.selected.configurable" value="editor.preferences.import" />
     <property name="settings.editor.splitter.proportion" value="0.2" />
-    <property name="last_opened_file_path" value="$PROJECT_DIR$/../tensorflow_practice" />
+    <property name="last_opened_file_path" value="$PROJECT_DIR$" />
     <property name="WebServerToolWindowFactoryState" value="false" />
     <property name="js-jscs-nodeInterpreter" value="$USER_HOME$/.nvm/versions/node/v9.2.0/bin/node" />
   </component>
@@ -301,16 +254,16 @@
     </option>
   </component>
   <component name="RecentsManager">
+    <key name="CopyFile.RECENT_KEYS">
+      <recent name="$PROJECT_DIR$/对外技术分享" />
+      <recent name="$PROJECT_DIR$/自然语言处理" />
+    </key>
     <key name="MoveFile.RECENT_KEYS">
+      <recent name="$PROJECT_DIR$/基础概念/AutoML/高斯过程回归" />
       <recent name="$PROJECT_DIR$/基础概念/AutoML/AutoML常规思路" />
       <recent name="$PROJECT_DIR$/基础概念/AutoML/AutoSklearn详解" />
       <recent name="$PROJECT_DIR$/对外技术分享" />
       <recent name="$PROJECT_DIR$/数据预处理/特征提取" />
-      <recent name="$PROJECT_DIR$/数学/数据质量" />
-    </key>
-    <key name="CopyFile.RECENT_KEYS">
-      <recent name="$PROJECT_DIR$/对外技术分享" />
-      <recent name="$PROJECT_DIR$/自然语言处理" />
     </key>
   </component>
   <component name="RunDashboard">
@@ -586,9 +539,9 @@
   </component>
   <component name="ToolWindowManager">
     <frame x="0" y="23" width="1440" height="823" extended-state="6" />
-    <editor active="true" />
+    <editor active="false" />
     <layout>
-      <window_info id="Project" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.20457797" sideWeight="0.5" order="0" side_tool="false" content_ui="combo" />
+      <window_info id="Project" active="true" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.20386267" sideWeight="0.5" order="0" side_tool="false" content_ui="combo" />
       <window_info id="TODO" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="6" side_tool="false" content_ui="tabs" />
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@@ -876,16 +829,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/机器学习/逻辑回归/lr.md">
-      <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
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-          <second_editor />
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     <entry file="file://$PROJECT_DIR$/数学/欧拉公式/欧拉公式.md">
       <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
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@@ -976,26 +919,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/机器学习/集成学习/Xgboost.md">
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-    </entry>
-    <entry file="file://$PROJECT_DIR$/机器学习/集成学习/LightGBM.md">
-      <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
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-          <second_editor />
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-    </entry>
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         <state split_layout="SPLIT">
@@ -1076,16 +999,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/机器学习/集成学习/GBDT.md">
-      <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
-        <state split_layout="SPLIT">
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-          <second_editor />
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-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/自然语言处理/Word2Vec.md">
       <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
         <state split_layout="SPLIT">
@@ -1136,6 +1049,47 @@
         </state>
       </provider>
     </entry>
+    <entry file="file://$PROJECT_DIR$/基础概念/AutoML/AutoSklearn详解.md" />
+    <entry file="file://$PROJECT_DIR$/机器学习/逻辑回归/lr.md">
+      <provider editor-type-id="split-provider[text-editor;MarkdownPreviewEditor]">
+        <state split_layout="SPLIT">
+          <first_editor relative-caret-position="0">
+            <caret line="0" column="0" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
+          </first_editor>
+          <second_editor>
+            <js_state />
+          </second_editor>
+        </state>
+      </provider>
+      <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
+        <state split_layout="SPLIT">
+          <first_editor relative-caret-position="60">
+            <caret line="4" column="0" selection-start-line="4" selection-start-column="0" selection-end-line="4" selection-end-column="0" />
+          </first_editor>
+          <second_editor />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/基础概念/AutoML/AutoML.md">
+      <provider editor-type-id="split-provider[text-editor;MarkdownPreviewEditor]">
+        <state split_layout="SPLIT">
+          <first_editor relative-caret-position="0">
+            <caret line="0" column="0" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
+          </first_editor>
+          <second_editor>
+            <js_state />
+          </second_editor>
+        </state>
+      </provider>
+      <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
+        <state split_layout="SPLIT">
+          <first_editor relative-caret-position="519">
+            <caret line="57" column="23" selection-start-line="57" selection-start-column="23" selection-end-line="57" selection-end-column="23" />
+          </first_editor>
+          <second_editor />
+        </state>
+      </provider>
+    </entry>
     <entry file="file://$PROJECT_DIR$/自然语言处理/CRF.md">
       <provider editor-type-id="split-provider[text-editor;MarkdownPreviewEditor]">
         <state split_layout="SPLIT">
@@ -1158,7 +1112,7 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/基础概念/AutoML/AutoSklearn详解.md">
+    <entry file="file://$PROJECT_DIR$/机器学习/集成学习/Xgboost.md">
       <provider editor-type-id="split-provider[text-editor;MarkdownPreviewEditor]">
         <state split_layout="SPLIT">
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@@ -1172,19 +1126,19 @@
       </provider>
       <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
         <state split_layout="SPLIT">
-          <first_editor relative-caret-position="0">
-            <caret line="0" column="73" selection-start-line="0" selection-start-column="73" selection-end-line="0" selection-end-column="73" />
+          <first_editor relative-caret-position="56">
+            <caret line="52" column="17" selection-start-line="52" selection-start-column="17" selection-end-line="52" selection-end-column="17" />
             <folding />
           </first_editor>
           <second_editor />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/README.md">
+    <entry file="file://$PROJECT_DIR$/机器学习/集成学习/LightGBM.md">
       <provider editor-type-id="split-provider[text-editor;MarkdownPreviewEditor]">
         <state split_layout="SPLIT">
-          <first_editor relative-caret-position="15">
-            <caret line="1" column="0" selection-start-line="1" selection-start-column="0" selection-end-line="1" selection-end-column="0" />
+          <first_editor relative-caret-position="0">
+            <caret line="0" column="0" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
             <folding />
           </first_editor>
           <second_editor>
@@ -1194,15 +1148,15 @@
       </provider>
       <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
         <state split_layout="SPLIT">
-          <first_editor relative-caret-position="180">
-            <caret line="58" column="26" selection-start-line="58" selection-start-column="7" selection-end-line="58" selection-end-column="26" />
+          <first_editor relative-caret-position="150">
+            <caret line="10" column="31" selection-start-line="0" selection-start-column="0" selection-end-line="16" selection-end-column="0" />
             <folding />
           </first_editor>
           <second_editor />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/基础概念/AutoML/AutoML.md">
+    <entry file="file://$PROJECT_DIR$/机器学习/集成学习/GBDT.md">
       <provider editor-type-id="split-provider[text-editor;MarkdownPreviewEditor]">
         <state split_layout="SPLIT">
           <first_editor relative-caret-position="0">
@@ -1216,8 +1170,30 @@
       </provider>
       <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
         <state split_layout="SPLIT">
-          <first_editor relative-caret-position="399">
-            <caret line="49" column="77" selection-start-line="49" selection-start-column="77" selection-end-line="49" selection-end-column="77" />
+          <first_editor relative-caret-position="255">
+            <caret line="17" column="20" selection-start-line="0" selection-start-column="0" selection-end-line="109" selection-end-column="51" />
+            <folding />
+          </first_editor>
+          <second_editor />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/README.md">
+      <provider editor-type-id="split-provider[text-editor;MarkdownPreviewEditor]">
+        <state split_layout="SPLIT">
+          <first_editor relative-caret-position="15">
+            <caret line="1" column="0" selection-start-line="1" selection-start-column="0" selection-end-line="1" selection-end-column="0" />
+            <folding />
+          </first_editor>
+          <second_editor>
+            <js_state />
+          </second_editor>
+        </state>
+      </provider>
+      <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
+        <state split_layout="SPLIT">
+          <first_editor relative-caret-position="240">
+            <caret line="60" column="15" selection-start-line="60" selection-start-column="7" selection-end-line="60" selection-end-column="15" />
             <folding />
           </first_editor>
           <second_editor />
diff --git a/README.md b/README.md
index fcd417a..82acd5b 100644
--- a/README.md
+++ b/README.md
@@ -58,6 +58,7 @@
     - [AutoML参数选择所使用的方法](基础概念/AutoML/AutoML.md#L96)
     - [讲讲贝叶斯优化如何在automl上应用](基础概念/AutoML/AutoML.md#L96)
     - [以高斯过程为例，超参搜索的f的最优解求解acquisition function有哪些](基础概念/AutoML/AutoML.md#L96)
+    - [高斯过程回归手记](基础概念/AutoML/高斯过程回归/)
     - [AutoSklearn详解手记](基础概念/AutoML/AutoSklearn详解/)
     - [AutoML常规思路手记](基础概念/AutoML/AutoML常规思路/)
 # 数学
diff --git "a/\345\237\272\347\241\200\346\246\202\345\277\265/AutoML/\351\253\230\346\226\257\350\277\207\347\250\213\345\233\236\345\275\222/\351\253\230\346\226\257\350\277\207\347\250\213\345\233\236\345\275\222.pdf" "b/\345\237\272\347\241\200\346\246\202\345\277\265/AutoML/\351\253\230\346\226\257\350\277\207\347\250\213\345\233\236\345\275\222/\351\253\230\346\226\257\350\277\207\347\250\213\345\233\236\345\275\222.pdf"
new file mode 100644
index 0000000..7123f29
Binary files /dev/null and "b/\345\237\272\347\241\200\346\246\202\345\277\265/AutoML/\351\253\230\346\226\257\350\277\207\347\250\213\345\233\236\345\275\222/\351\253\230\346\226\257\350\277\207\347\250\213\345\233\236\345\275\222.pdf" differ
diff --git "a/\346\234\272\345\231\250\345\255\246\344\271\240/\351\200\273\350\276\221\345\233\236\345\275\222/lr.md" "b/\346\234\272\345\231\250\345\255\246\344\271\240/\351\200\273\350\276\221\345\233\236\345\275\222/lr.md"
index 0e7db0e..5f67386 100644
--- "a/\346\234\272\345\231\250\345\255\246\344\271\240/\351\200\273\350\276\221\345\233\236\345\275\222/lr.md"
+++ "b/\346\234\272\345\231\250\345\255\246\344\271\240/\351\200\273\350\276\221\345\233\236\345\275\222/lr.md"
@@ -1,8 +1,6 @@
 # logistic分布函数和密度函数，手绘大概的图像
 - 分布函数：![](https://tva1.sinaimg.cn/large/006y8mN6gy1g93b9whhwuj306z01amwz.jpg)
-    - 图像：![](https://tva1.sinaimg.cn/large/006y8mN6gy1g93be0qj86j30io0c2q4k.jpg)
 - 密度函数：![](https://tva1.sinaimg.cn/large/006y8mN6gy1g93bdnikzbj306e01pjr8.jpg)
-    - 图像：![](https://tva1.sinaimg.cn/large/006y8mN6gy1g93beecqoaj30i20c63zw.jpg)
 - 其中，μ表示位置参数，γ为形状参数。**logistic分布比正太分布有更长的尾部且波峰更尖锐**
 
 # LR推导，基础5连问