diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 5c215cb..ae3ef3f 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -5,44 +5,38 @@
   </component>
   <component name="ChangeListManager">
     <list default="true" id="f008fe30-0711-42e2-bb33-17dcfdbad387" name="Changes" comment="">
-      <change afterPath="$PROJECT_DIR$/src/main/java/com/example/myproject/entity/UserInviteCode.java" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/src/main/java/com/example/myproject/repository/UserInviteCodeRepository.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/.idea/misc.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/misc.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/.idea/vcs.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/vcs.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/dbnavigator.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/dbnavigator.xml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/create.sql" beforeDir="false" />
       <change beforePath="$PROJECT_DIR$/pom.xml" beforeDir="false" afterPath="$PROJECT_DIR$/pom.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/com/example/myproject/MyProjectApplication.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/example/myproject/MyProjectApplication.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/com/example/myproject/common/base/Result.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/example/myproject/common/base/Result.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/com/example/myproject/config/MyMetaObjectHandler.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/example/myproject/config/MyMetaObjectHandler.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/com/example/myproject/controller/InviteController.java" beforeDir="false" />
       <change beforePath="$PROJECT_DIR$/src/main/java/com/example/myproject/controller/UserController.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/example/myproject/controller/UserController.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/java/com/example/myproject/entity/Users.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/example/myproject/entity/Users.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/java/com/example/myproject/repository/UserRepository.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/example/myproject/repository/UserRepository.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/com/example/myproject/dto/param/InviteParam.java" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/com/example/myproject/dto/param/TorrentUploadParam.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/example/myproject/dto/param/TorrentUploadParam.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/com/example/myproject/entity/EntityBase.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/example/myproject/entity/EntityBase.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/com/example/myproject/entity/InvitationEntity.java" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/com/example/myproject/entity/User.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/example/myproject/entity/User.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/com/example/myproject/mapper/InvitationMapper.java" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/com/example/myproject/mapper/UserMapper.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/example/myproject/mapper/UserMapper.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/com/example/myproject/service/InvitationService.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/example/myproject/service/InvitationService.java" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/src/main/java/com/example/myproject/service/UserService.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/example/myproject/service/UserService.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/java/com/example/myproject/service/serviceImpl/UserDetailsServiceImpl.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/example/myproject/service/serviceImpl/UserDetailsServiceImpl.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/java/com/example/myproject/service/serviceImpl/UserServiceImpl.java" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/com/example/myproject/service/serviceImpl/InvitationServiceImpl.java" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/com/example/myproject/service/serviceImpl/TorrentServiceImpl.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/example/myproject/service/serviceImpl/TorrentServiceImpl.java" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/src/main/resources/application.properties" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/resources/application.properties" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/resources/mapper/PromotionMapper.xml" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/resources/mapper/PromotionMapper.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/test/java/com/example/myproject/controller/TorrentControllerTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/test/java/com/example/myproject/controller/TorrentControllerTest.java" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/src/test/java/com/example/myproject/controller/UserControllerTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/test/java/com/example/myproject/controller/UserControllerTest.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/application.properties" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/target/classes/application.properties" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/application.properties" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/MyProjectApplication.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/example/myproject/MyProjectApplication.class" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/controller/UserController$EmailRequest.class" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/controller/UserController$VerificationRequest.class" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/controller/UserController$EmailRequest.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/example/myproject/controller/UserController$EmailRequest.class" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/controller/UserController$VerificationRequest.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/example/myproject/controller/UserController$VerificationRequest.class" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/controller/UserController.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/example/myproject/controller/UserController.class" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/service/UserService.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/example/myproject/service/UserService.class" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/service/serviceImpl/UserDetailsServiceImpl.class" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/service/serviceImpl/UserServiceImpl.class" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/files/files.torrent" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/mapper/FavoriteMapper.xml" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/mapper/PromotionMapper.xml" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/mapper/TorrentMapper.xml" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/mapper/UserMapper.xml" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/mapper/VerificationTokenMapper.xml" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/output/valid.torrent" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/echo-backend-1.0-SNAPSHOT.jar" beforeDir="false" afterPath="$PROJECT_DIR$/target/echo-backend-1.0-SNAPSHOT.jar" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/echo-backend-1.0-SNAPSHOT.jar.original" beforeDir="false" afterPath="$PROJECT_DIR$/target/echo-backend-1.0-SNAPSHOT.jar.original" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst" beforeDir="false" afterPath="$PROJECT_DIR$/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst" beforeDir="false" afterPath="$PROJECT_DIR$/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/createdFiles.lst" beforeDir="false" afterPath="$PROJECT_DIR$/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/createdFiles.lst" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/inputFiles.lst" beforeDir="false" afterPath="$PROJECT_DIR$/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/inputFiles.lst" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/test-classes/classpath.index" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/test-classes/com/example/myproject/controller/UserControllerTest$1.class" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/test-classes/com/example/myproject/controller/UserControllerTest.class" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/entity/User.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/example/myproject/entity/User.class" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/mapper/UserMapper.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/example/myproject/mapper/UserMapper.class" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/utils/Result.class" beforeDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -58,13 +52,19 @@
   </component>
   <component name="Git.Settings">
     <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
-    <option name="ROOT_SYNC" value="SYNC" />
   </component>
   <component name="MarkdownSettingsMigration">
     <option name="stateVersion" value="1" />
   </component>
+  <component name="MavenImportPreferences">
+    <option name="importingSettings">
+      <MavenImportingSettings>
+        <option name="workspaceImportEnabled" value="true" />
+      </MavenImportingSettings>
+    </option>
+  </component>
   <component name="ProblemsViewState">
-    <option name="selectedTabId" value="ProjectErrors" />
+    <option name="selectedTabId" value="CurrentFile" />
   </component>
   <component name="ProjectId" id="2vZNfNTEFyHApdxmHZ7Y0rlJjKB" />
   <component name="ProjectLevelVcsManager" settingsEditedManually="true" />
@@ -72,32 +72,19 @@
     <option name="hideEmptyMiddlePackages" value="true" />
     <option name="showLibraryContents" value="true" />
   </component>
-  <component name="PropertiesComponent"><![CDATA[{
-  "keyToString": {
-    "JUnit.UserControllerTest.executor": "Run",
-    "RequestMappingsPanelOrder0": "0",
-    "RequestMappingsPanelOrder1": "1",
-    "RequestMappingsPanelWidth0": "75",
-    "RequestMappingsPanelWidth1": "75",
-    "RunOnceActivity.OpenProjectViewOnStart": "true",
-    "RunOnceActivity.ShowReadmeOnStart": "true",
-    "Spring Boot.MyProjectApplication.executor": "Run",
-    "git-widget-placeholder": "master",
-    "last_opened_file_path": "D:/PT/echo-backend/src/main/java/com/example/myproject/service",
-    "node.js.selected.package.tslint": "(autodetect)",
-    "应用程序.MyProjectApplication.executor": "Run"
+  <component name="PropertiesComponent">{
+  &quot;keyToString&quot;: {
+    &quot;RunOnceActivity.OpenProjectViewOnStart&quot;: &quot;true&quot;,
+    &quot;RunOnceActivity.ShowReadmeOnStart&quot;: &quot;true&quot;,
+    &quot;last_opened_file_path&quot;: &quot;D:/study/学习资源/大三下/zy1&quot;
   }
-}]]></component>
+}</component>
   <component name="RecentsManager">
-    <key name="CopyFile.RECENT_KEYS">
-      <recent name="D:\PT\echo-backend\src\main\java\com\example\myproject\service" />
-      <recent name="D:\PT\echo-backend\src\main\java\com\example\myproject\controller" />
-    </key>
     <key name="MoveFile.RECENT_KEYS">
       <recent name="D:\study\学习资源\大三下\school\echo-backend\src\main\resources\mapper" />
     </key>
   </component>
-  <component name="RunManager" selected="JUnit.UserControllerTest">
+  <component name="RunManager" selected="应用程序.MyProjectApplication">
     <configuration name="BtClient" type="Application" factoryName="Application" temporary="true" nameIsGenerated="true">
       <option name="MAIN_CLASS_NAME" value="com.example.myproject.client.BtClient" />
       <module name="echo-backend" />
@@ -165,31 +152,8 @@
         <option name="Make" enabled="true" />
       </method>
     </configuration>
-    <configuration name="UserControllerTest" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
-      <module name="echo-backend" />
-      <extension name="coverage">
-        <pattern>
-          <option name="PATTERN" value="com.example.myproject.controller.*" />
-          <option name="ENABLED" value="true" />
-        </pattern>
-      </extension>
-      <option name="PACKAGE_NAME" value="com.example.myproject.controller" />
-      <option name="MAIN_CLASS_NAME" value="com.example.myproject.controller.UserControllerTest" />
-      <option name="TEST_OBJECT" value="class" />
-      <method v="2">
-        <option name="Make" enabled="true" />
-      </method>
-    </configuration>
-    <configuration name="MyProjectApplication" type="SpringBootApplicationConfigurationType" factoryName="Spring Boot" nameIsGenerated="true">
-      <module name="echo-backend" />
-      <option name="SPRING_BOOT_MAIN_CLASS" value="com.example.myproject.MyProjectApplication" />
-      <method v="2">
-        <option name="Make" enabled="true" />
-      </method>
-    </configuration>
     <recent_temporary>
       <list>
-        <item itemvalue="JUnit.UserControllerTest" />
         <item itemvalue="应用程序.MyProjectApplication" />
         <item itemvalue="JUnit.TorrentControllerTest" />
       </list>
@@ -206,15 +170,4 @@
     </task>
     <servers />
   </component>
-  <component name="Vcs.Log.Tabs.Properties">
-    <option name="TAB_STATES">
-      <map>
-        <entry key="MAIN">
-          <value>
-            <State />
-          </value>
-        </entry>
-      </map>
-    </option>
-  </component>
 </project>
\ No newline at end of file