diff --git a/.idea/compiler.xml b/.idea/compiler.xml
deleted file mode 100644
index 081393f..0000000
--- a/.idea/compiler.xml
+++ /dev/null
@@ -1,20 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="CompilerConfiguration">
-    <annotationProcessing>
-      <profile name="Maven default annotation processors profile" enabled="true">
-        <sourceOutputDir name="target/generated-sources/annotations" />
-        <sourceTestOutputDir name="target/generated-test-sources/test-annotations" />
-        <outputRelativeToContentRoot value="true" />
-        <module name="renren-fast" />
-        <module name="renren-generator" />
-      </profile>
-    </annotationProcessing>
-  </component>
-  <component name="JavacSettings">
-    <option name="ADDITIONAL_OPTIONS_OVERRIDE">
-      <module name="renren-fast" options="-parameters" />
-      <module name="renren-generator" options="-parameters" />
-    </option>
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/encodings.xml b/.idea/encodings.xml
deleted file mode 100644
index 44616a2..0000000
--- a/.idea/encodings.xml
+++ /dev/null
@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="Encoding">
-    <file url="file://$PROJECT_DIR$/renren-fast" charset="UTF-8" />
-    <file url="file://$PROJECT_DIR$/renren-generator" charset="UTF-8" />
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
deleted file mode 100644
index 614d035..0000000
--- a/.idea/misc.xml
+++ /dev/null
@@ -1,15 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="MavenProjectsManager">
-    <option name="originalFiles">
-      <list>
-        <option value="$PROJECT_DIR$/pom.xml" />
-        <option value="$PROJECT_DIR$/renren-fast/pom.xml" />
-      </list>
-    </option>
-  </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" project-jdk-name="1.8" project-jdk-type="JavaSDK">
-    <output url="file://$PROJECT_DIR$/out" />
-  </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 d9e56b4..0000000
--- a/.idea/workspace.xml
+++ /dev/null
@@ -1,64 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ChangeListManager">
-    <list default="true" id="cfa78e1b-4768-473e-a98f-02a40b8571b9" name="Default Changelist" comment="" />
-    <option name="EXCLUDED_CONVERTED_TO_IGNORED" 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="Git.Settings">
-    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
-  </component>
-  <component name="ProjectId" id="263dyHadzED8PWJIeQ7z66vOq1b" />
-  <component name="PropertiesComponent">
-    <property name="WebServerToolWindowFactoryState" value="false" />
-    <property name="aspect.path.notification.shown" value="true" />
-  </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" selected="Spring Boot.RenrenApplication">
-    <configuration name="RenrenApplication" type="SpringBootApplicationConfigurationType" factoryName="Spring Boot">
-      <module name="renren-fast" />
-      <option name="SPRING_BOOT_MAIN_CLASS" value="io.renren.RenrenApplication" />
-      <method v="2">
-        <option name="Make" enabled="true" />
-      </method>
-    </configuration>
-    <configuration name="RenrenCodeApplication" type="SpringBootApplicationConfigurationType" factoryName="Spring Boot">
-      <module name="renren-generator" />
-      <option name="SPRING_BOOT_MAIN_CLASS" value="io.renren.RenrenCodeApplication" />
-      <method v="2">
-        <option name="Make" enabled="true" />
-      </method>
-    </configuration>
-  </component>
-  <component name="SvnConfiguration">
-    <configuration />
-  </component>
-  <component name="TaskManager">
-    <task active="true" id="Default" summary="Default task">
-      <changelist id="cfa78e1b-4768-473e-a98f-02a40b8571b9" name="Default Changelist" comment="" />
-      <created>1646656456837</created>
-      <option name="number" value="Default" />
-      <option name="presentableId" value="Default" />
-      <updated>1646656456837</updated>
-      <workItem from="1646656459999" duration="562000" />
-    </task>
-    <servers />
-  </component>
-  <component name="TypeScriptGeneratedFilesManager">
-    <option name="version" value="1" />
-  </component>
-</project>
\ No newline at end of file