diff --git a/.DS_Store b/.DS_Store
deleted file mode 100644
index 9eef699..0000000
Binary files a/.DS_Store and /dev/null differ
diff --git a/.idea/bluetooth_flow.iml b/.idea/bluetooth_flow.iml
deleted file mode 100644
index c956989..0000000
--- a/.idea/bluetooth_flow.iml
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module type="WEB_MODULE" version="4">
-  <component name="NewModuleRootManager">
-    <content url="file://$MODULE_DIR$" />
-    <orderEntry type="inheritedJdk" />
-    <orderEntry type="sourceFolder" forTests="false" />
-  </component>
-</module>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
deleted file mode 100644
index db64868..0000000
--- a/.idea/modules.xml
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectModuleManager">
-    <modules>
-      <module fileurl="file://$PROJECT_DIR$/.idea/bluetooth_flow.iml" filepath="$PROJECT_DIR$/.idea/bluetooth_flow.iml" />
-    </modules>
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
deleted file mode 100644
index 94a25f7..0000000
--- a/.idea/vcs.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="VcsDirectoryMappings">
-    <mapping directory="$PROJECT_DIR$" vcs="Git" />
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
deleted file mode 100644
index ca74b16..0000000
--- a/.idea/workspace.xml
+++ /dev/null
@@ -1,178 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="BranchesTreeState">
-    <expand>
-      <path>
-        <item name="ROOT" type="e8cecc67:BranchNodeDescriptor" />
-        <item name="LOCAL_ROOT" type="e8cecc67:BranchNodeDescriptor" />
-      </path>
-      <path>
-        <item name="ROOT" type="e8cecc67:BranchNodeDescriptor" />
-        <item name="REMOTE_ROOT" type="e8cecc67:BranchNodeDescriptor" />
-      </path>
-      <path>
-        <item name="ROOT" type="e8cecc67:BranchNodeDescriptor" />
-        <item name="REMOTE_ROOT" type="e8cecc67:BranchNodeDescriptor" />
-        <item name="GROUP_NODE:origin" type="e8cecc67:BranchNodeDescriptor" />
-      </path>
-    </expand>
-    <select />
-  </component>
-  <component name="ChangeListManager">
-    <list default="true" id="bef5cb8d-3e5d-413e-9f04-27193c64f0b3" name="Default Changelist" comment="">
-      <change beforePath="$PROJECT_DIR$/README.md" beforeDir="false" afterPath="$PROJECT_DIR$/README.md" afterDir="false" />
-    </list>
-    <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="FileTemplateManagerImpl">
-    <option name="RECENT_TEMPLATES">
-      <list>
-        <option value="Go File" />
-      </list>
-    </option>
-  </component>
-  <component name="GOROOT" path="/usr/local/Cellar/go/1.16.6/libexec" />
-  <component name="Git.Settings">
-    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
-  </component>
-  <component name="ProjectId" id="24DvQybsPNRhVBkEInvmPBoRz5Y" />
-  <component name="ProjectLevelVcsManager">
-    <ConfirmationsSetting value="1" id="Add" />
-  </component>
-  <component name="ProjectViewState">
-    <option name="hideEmptyMiddlePackages" value="true" />
-    <option name="showLibraryContents" value="true" />
-  </component>
-  <component name="PropertiesComponent">
-    <property name="DefaultGoTemplateProperty" value="Go File" />
-    <property name="RunOnceActivity.OpenProjectViewOnStart" value="true" />
-    <property name="WebServerToolWindowFactoryState" value="false" />
-    <property name="go.import.settings.migrated" value="true" />
-    <property name="go.sdk.automatically.set" value="true" />
-    <property name="last_opened_file_path" value="$PROJECT_DIR$" />
-    <property name="settings.editor.selected.configurable" value="go.vgo" />
-  </component>
-  <component name="RunManager" selected="Go Build.go build github.com/haoguanguan/bluetooth_flow">
-    <configuration name="go build github.com/haoguanguan/bluetooth_flow" type="GoApplicationRunConfiguration" factoryName="Go Application" temporary="true" nameIsGenerated="true">
-      <module name="bluetooth_flow" />
-      <working_directory value="$PROJECT_DIR$" />
-      <kind value="PACKAGE" />
-      <filePath value="$PROJECT_DIR$/entry.go" />
-      <package value="github.com/haoguanguan/bluetooth_flow" />
-      <directory value="$PROJECT_DIR$" />
-      <method v="2" />
-    </configuration>
-    <configuration name="TestGetAllBlueTooth in github.com/haoguanguan/bluetooth_flow/system" type="GoTestRunConfiguration" factoryName="Go Test" temporary="true" nameIsGenerated="true">
-      <module name="bluetooth_flow" />
-      <working_directory value="$PROJECT_DIR$/system" />
-      <framework value="gotest" />
-      <kind value="PACKAGE" />
-      <package value="github.com/haoguanguan/bluetooth_flow/system" />
-      <directory value="$PROJECT_DIR$" />
-      <filePath value="$PROJECT_DIR$" />
-      <pattern value="^\QTestGetAllBlueTooth\E$" />
-      <method v="2" />
-    </configuration>
-    <configuration name="TestInfo_GetAttrByNames in github.com/haoguanguan/bluetooth_flow/plist" type="GoTestRunConfiguration" factoryName="Go Test" temporary="true" nameIsGenerated="true">
-      <module name="bluetooth_flow" />
-      <working_directory value="$PROJECT_DIR$/plist" />
-      <framework value="gotest" />
-      <kind value="PACKAGE" />
-      <package value="github.com/haoguanguan/bluetooth_flow/plist" />
-      <directory value="$PROJECT_DIR$" />
-      <filePath value="$PROJECT_DIR$" />
-      <pattern value="^\QTestInfo_GetAttrByNames\E$" />
-      <method v="2" />
-    </configuration>
-    <configuration name="TestInfo_GetAttrByNames in github.com/haoguanguan/bluetooth_flow/system" type="GoTestRunConfiguration" factoryName="Go Test" temporary="true" nameIsGenerated="true">
-      <module name="bluetooth_flow" />
-      <working_directory value="$PROJECT_DIR$/system" />
-      <framework value="gotest" />
-      <kind value="PACKAGE" />
-      <package value="github.com/haoguanguan/bluetooth_flow/system" />
-      <directory value="$PROJECT_DIR$" />
-      <filePath value="$PROJECT_DIR$" />
-      <pattern value="^\QTestInfo_GetAttrByNames\E$" />
-      <method v="2" />
-    </configuration>
-    <recent_temporary>
-      <list>
-        <item itemvalue="Go Build.go build github.com/haoguanguan/bluetooth_flow" />
-        <item itemvalue="Go Test.TestGetAllBlueTooth in github.com/haoguanguan/bluetooth_flow/system" />
-        <item itemvalue="Go Test.TestInfo_GetAttrByNames in github.com/haoguanguan/bluetooth_flow/system" />
-        <item itemvalue="Go Test.TestInfo_GetAttrByNames in github.com/haoguanguan/bluetooth_flow/plist" />
-      </list>
-    </recent_temporary>
-  </component>
-  <component name="SpellCheckerSettings" RuntimeDictionaries="0" Folders="0" CustomDictionaries="0" DefaultDictionary="application-level" UseSingleDictionary="true" transferred="true" />
-  <component name="TypeScriptGeneratedFilesManager">
-    <option name="version" value="3" />
-  </component>
-  <component name="Vcs.Log.Tabs.Properties">
-    <option name="TAB_STATES">
-      <map>
-        <entry key="MAIN">
-          <value>
-            <State />
-          </value>
-        </entry>
-      </map>
-    </option>
-    <option name="oldMeFiltersMigrated" value="true" />
-  </component>
-  <component name="VgoProject">
-    <integration-enabled>true</integration-enabled>
-  </component>
-  <component name="WindowStateProjectService">
-    <state x="698" y="346" key="#com.intellij.fileTypes.FileTypeChooser" timestamp="1643197934028">
-      <screen x="0" y="0" width="1920" height="1080" />
-    </state>
-    <state x="698" y="346" key="#com.intellij.fileTypes.FileTypeChooser/0.0.1920.1080@0.0.1920.1080" timestamp="1643197934028" />
-    <state width="1878" height="335" key="GridCell.Tab.0.bottom" timestamp="1643198087147">
-      <screen x="0" y="0" width="1920" height="1080" />
-    </state>
-    <state width="1878" height="335" key="GridCell.Tab.0.bottom/0.0.1920.1080@0.0.1920.1080" timestamp="1643198087147" />
-    <state width="1878" height="335" key="GridCell.Tab.0.center" timestamp="1643198087146">
-      <screen x="0" y="0" width="1920" height="1080" />
-    </state>
-    <state width="1878" height="335" key="GridCell.Tab.0.center/0.0.1920.1080@0.0.1920.1080" timestamp="1643198087146" />
-    <state width="1878" height="335" key="GridCell.Tab.0.left" timestamp="1643198087145">
-      <screen x="0" y="0" width="1920" height="1080" />
-    </state>
-    <state width="1878" height="335" key="GridCell.Tab.0.left/0.0.1920.1080@0.0.1920.1080" timestamp="1643198087145" />
-    <state width="1878" height="335" key="GridCell.Tab.0.right" timestamp="1643198087146">
-      <screen x="0" y="0" width="1920" height="1080" />
-    </state>
-    <state width="1878" height="335" key="GridCell.Tab.0.right/0.0.1920.1080@0.0.1920.1080" timestamp="1643198087146" />
-    <state width="1878" height="376" key="GridCell.Tab.1.bottom" timestamp="1643188448395">
-      <screen x="0" y="0" width="1920" height="1080" />
-    </state>
-    <state width="1878" height="376" key="GridCell.Tab.1.bottom/0.0.1920.1080@0.0.1920.1080" timestamp="1643188448395" />
-    <state width="1878" height="376" key="GridCell.Tab.1.center" timestamp="1643188448394">
-      <screen x="0" y="0" width="1920" height="1080" />
-    </state>
-    <state width="1878" height="376" key="GridCell.Tab.1.center/0.0.1920.1080@0.0.1920.1080" timestamp="1643188448394" />
-    <state width="1878" height="376" key="GridCell.Tab.1.left" timestamp="1643188448394">
-      <screen x="0" y="0" width="1920" height="1080" />
-    </state>
-    <state width="1878" height="376" key="GridCell.Tab.1.left/0.0.1920.1080@0.0.1920.1080" timestamp="1643188448394" />
-    <state width="1878" height="376" key="GridCell.Tab.1.right" timestamp="1643188448395">
-      <screen x="0" y="0" width="1920" height="1080" />
-    </state>
-    <state width="1878" height="376" key="GridCell.Tab.1.right/0.0.1920.1080@0.0.1920.1080" timestamp="1643188448395" />
-    <state x="469" y="176" key="SettingsEditor" timestamp="1643177978320">
-      <screen x="0" y="0" width="1920" height="1080" />
-    </state>
-    <state x="469" y="176" key="SettingsEditor/0.0.1920.1080@0.0.1920.1080" timestamp="1643177978320" />
-  </component>
-  <component name="XDebuggerManager">
-    <watches-manager>
-      <configuration name="GoTestRunConfiguration">
-        <watch expression="type(deviceAll)" language="go" />
-      </configuration>
-    </watches-manager>
-  </component>
-</project>
\ No newline at end of file
diff --git a/README.md b/README.md
index 1a62b0a..2d4e5ed 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 Alfred 4 workflow for mac bluetooth.
 
 ## Installation
-1. Download latest version from [releases](https://github.com/haoguanguan/bluetooth_flow/releases)
+1. Download latest version from [release](https://github.com/haoguanguan/bluetooth_flow/releases)
 2. Double click and install it
 ## Manual
 1. show all device info: just input `bb`
@@ -12,16 +12,17 @@ Alfred 4 workflow for mac bluetooth.
 
 ## Features
 1. show bluetooth device info
+	
 	status/battery/name
 2. switch bluetooth status
-	connect -> disconnect
-	disconnect -> connect
+	1. connect -> disconnect
+	2. disconnect -> connect
 	
 ## Build
 ```shell script
 go build entry.go
 ```
-You should download golang, and use go mod for dependency manager.
+You should download golang, and use go mod for dependency management.
 ## Acknowledgement
 1. I Got much information from [alfred-bluetooth-workflow](https://github.com/tilmanginzel/alfred-bluetooth-workflow)
 2. I also used [blueutil](https://github.com/toy/blueutil) for quickly switch device status
diff --git a/entry b/entry
deleted file mode 100755
index 9282ddf..0000000
Binary files a/entry and /dev/null differ
diff --git a/system/system.go b/system/system.go
index 1617050..c6e9a8d 100644
--- a/system/system.go
+++ b/system/system.go
@@ -3,7 +3,6 @@ package system
 import (
 	"encoding/json"
 	"fmt"
-	"os"
 	"os/exec"
 )
 
@@ -13,18 +12,12 @@ type Info struct {
 }
 
 func NewSystem(key string) (*Info, error) {
-	command := fmt.Sprintf("system_profiler %s -json > .system.log", key)
+	command := fmt.Sprintf("system_profiler %s -json 2> /dev/null", key)
 	d, err := exec.Command("bash", "-c", command).CombinedOutput()
 	if err != nil {
 		return nil, err
 	}
 
-	// fmt.Printf("%s", string(d))
-	d, err = os.ReadFile(".system.log")
-	if err != nil {
-		return nil, err
-	}
-
 	var res map[string]interface{}
 	if err = json.Unmarshal(d, &res); err != nil {
 		return nil, err