diff --git a/.idea/misc.xml b/.idea/misc.xml
index 64d19fc..f58e1e2 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -7,13 +7,12 @@
         <option value="$PROJECT_DIR$/pom.xml" />
       </list>
     </option>
-    <option name="workspaceImportForciblyTurnedOn" value="true" />
   </component>
   <component name="PWA">
     <option name="enabled" value="true" />
     <option name="wasEnabledAtLeastOnce" value="true" />
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="17" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="17" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>
\ No newline at end of file
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 5e39899..d3c9b17 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -5,73 +5,14 @@
   </component>
   <component name="ChangeListManager">
     <list default="true" id="f008fe30-0711-42e2-bb33-17dcfdbad387" name="Changes" comment="pom">
-      <change beforePath="$PROJECT_DIR$/.idea/dataSources.local.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/dataSources.local.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/.idea/dataSources/6d2a7063-ae4c-471f-ae05-e32dede5d0ec.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/dataSources/6d2a7063-ae4c-471f-ae05-e32dede5d0ec.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/.idea/misc.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/misc.xml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="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/config/WebConfig.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/example/myproject/config/WebConfig.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/java/com/example/myproject/controller/DynamicController.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/example/myproject/controller/DynamicController.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/java/com/example/myproject/controller/TorrentController.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/example/myproject/controller/TorrentController.java" afterDir="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/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/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/service/DynamicService.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/example/myproject/service/DynamicService.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/java/com/example/myproject/service/PostService.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/example/myproject/service/PostService.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/java/com/example/myproject/service/TorrentService.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/example/myproject/service/TorrentService.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/controller/PromotionController.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/example/myproject/controller/PromotionController.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/com/example/myproject/mapper/PromotionMapper.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/example/myproject/mapper/PromotionMapper.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/com/example/myproject/service/serviceImpl/PromotionServiceImpl.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/example/myproject/service/serviceImpl/PromotionServiceImpl.java" afterDir="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/test/java/com/example/myproject/controller/DynamicControllerTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/test/java/com/example/myproject/controller/DynamicControllerTest.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/common/base/PageParam.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/example/myproject/common/base/PageParam.class" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/common/base/ResPage.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/example/myproject/common/base/ResPage.class" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/common/base/Result.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/example/myproject/common/base/Result.class" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/config/TrackerConfig.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/example/myproject/config/TrackerConfig.class" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/config/WebConfig.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/example/myproject/config/WebConfig.class" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/controller/DynamicController.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/example/myproject/controller/DynamicController.class" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/controller/GroupController.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/example/myproject/controller/GroupController.class" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/controller/TorrentController.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/example/myproject/controller/TorrentController.class" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/controller/TrackerController.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/example/myproject/controller/TrackerController.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/dto/PromotionCreateDTO.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/example/myproject/dto/PromotionCreateDTO.class" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/dto/TorrentUpdateDTO.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/example/myproject/dto/TorrentUpdateDTO.class" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/dto/param/AnnounceRequest.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/example/myproject/dto/param/AnnounceRequest.class" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/dto/param/TorrentParam.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/example/myproject/dto/param/TorrentParam.class" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/dto/param/TorrentUploadParam.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/example/myproject/dto/param/TorrentUploadParam.class" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/dto/vo/TorrentVO.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/example/myproject/dto/vo/TorrentVO.class" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/entity/EntityBase.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/example/myproject/entity/EntityBase.class" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/entity/FavoriteEntity.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/example/myproject/entity/FavoriteEntity.class" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/entity/Promotion.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/example/myproject/entity/Promotion.class" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/entity/TorrentEntity.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/example/myproject/entity/TorrentEntity.class" afterDir="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/entity/VerificationToken.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/example/myproject/entity/VerificationToken.class" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/service/CommentService.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/example/myproject/service/CommentService.class" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/service/DynamicService.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/example/myproject/service/DynamicService.class" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/service/GroupService.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/example/myproject/service/GroupService.class" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/service/LevelService.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/example/myproject/service/LevelService.class" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/service/PostService.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/example/myproject/service/PostService.class" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/service/TorrentService.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/example/myproject/service/TorrentService.class" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/service/UserMessageService.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/example/myproject/service/UserMessageService.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/EmailServiceImpl.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/example/myproject/service/serviceImpl/EmailServiceImpl.class" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/mapper/PromotionMapper.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/example/myproject/mapper/PromotionMapper.class" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/service/serviceImpl/PromotionServiceImpl.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/example/myproject/service/serviceImpl/PromotionServiceImpl.class" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/service/serviceImpl/TorrentServiceImpl.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/example/myproject/service/serviceImpl/TorrentServiceImpl.class" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/utils/Result.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/example/myproject/utils/Result.class" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/utils/VerifyCode.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/example/myproject/utils/VerifyCode.class" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/files/files.torrent" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/output/valid.torrent" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/test-classes/com/example/myproject/controller/CommentControllerTest.class" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/test-classes/com/example/myproject/controller/DynamicControllerTest.class" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/test-classes/com/example/myproject/controller/GroupControllerTest.class" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/test-classes/com/example/myproject/controller/LevelControllerTest.class" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/test-classes/com/example/myproject/controller/PostControllerTest.class" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/test-classes/com/example/myproject/controller/TaskControllerTest.class" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/test-classes/com/example/myproject/controller/UserControllerTest.class" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/test-classes/com/example/myproject/controller/UserFollowControllerTest.class" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/test-classes/com/example/myproject/controller/UserMessageControllerTest.class" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/uploads/avatarUrl/1.jpg" beforeDir="false" afterPath="$PROJECT_DIR$/uploads/avatarUrl/1.jpg" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/uploads/avatarUrl/2.jpg" beforeDir="false" afterPath="$PROJECT_DIR$/uploads/avatarUrl/2.jpg" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/uploads/avatarUrl/3.jpg" beforeDir="false" afterPath="$PROJECT_DIR$/uploads/avatarUrl/3.jpg" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/uploads/avatarUrl/4.jpg" beforeDir="false" afterPath="$PROJECT_DIR$/uploads/avatarUrl/4.jpg" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -110,38 +51,38 @@
     <option name="hideEmptyMiddlePackages" value="true" />
     <option name="showLibraryContents" value="true" />
   </component>
-  <component name="PropertiesComponent"><![CDATA[{
-  "keyToString": {
-    "ASKED_ADD_EXTERNAL_FILES": "true",
-    "JUnit.UserControllerTest.executor": "Run",
-    "JUnit.UserControllerTest.testUpdateUserAvatar.executor": "Run",
-    "JUnit.UserControllerTest.testUploadUserAvatar.executor": "Run",
-    "RequestMappingsPanelOrder0": "0",
-    "RequestMappingsPanelOrder1": "1",
-    "RequestMappingsPanelWidth0": "75",
-    "RequestMappingsPanelWidth1": "75",
-    "RunOnceActivity.OpenProjectViewOnStart": "true",
-    "RunOnceActivity.ShowReadmeOnStart": "true",
-    "RunOnceActivity.git.unshallow": "true",
-    "Spring Boot.MyProjectApplication.executor": "Run",
-    "git-widget-placeholder": "完成pt与bt交互、补充图片资源",
-    "ignore.virus.scanning.warn.message": "true",
-    "kotlin-language-version-configured": "true",
-    "last_opened_file_path": "D:/Desktop/echo后端/echo-backend/images",
-    "node.js.detected.package.eslint": "true",
-    "node.js.selected.package.eslint": "(autodetect)",
-    "node.js.selected.package.tslint": "(autodetect)",
-    "nodejs_package_manager_path": "npm",
-    "settings.editor.selected.configurable": "project.propVCSSupport.DirectoryMappings",
-    "vue.rearranger.settings.migration": "true",
-    "应用程序.MyProjectApplication.executor": "Run"
+  <component name="PropertiesComponent">{
+  &quot;keyToString&quot;: {
+    &quot;ASKED_ADD_EXTERNAL_FILES&quot;: &quot;true&quot;,
+    &quot;JUnit.UserControllerTest.executor&quot;: &quot;Run&quot;,
+    &quot;JUnit.UserControllerTest.testUpdateUserAvatar.executor&quot;: &quot;Run&quot;,
+    &quot;JUnit.UserControllerTest.testUploadUserAvatar.executor&quot;: &quot;Run&quot;,
+    &quot;RequestMappingsPanelOrder0&quot;: &quot;0&quot;,
+    &quot;RequestMappingsPanelOrder1&quot;: &quot;1&quot;,
+    &quot;RequestMappingsPanelWidth0&quot;: &quot;75&quot;,
+    &quot;RequestMappingsPanelWidth1&quot;: &quot;75&quot;,
+    &quot;RunOnceActivity.OpenProjectViewOnStart&quot;: &quot;true&quot;,
+    &quot;RunOnceActivity.ShowReadmeOnStart&quot;: &quot;true&quot;,
+    &quot;RunOnceActivity.git.unshallow&quot;: &quot;true&quot;,
+    &quot;Spring Boot.MyProjectApplication.executor&quot;: &quot;Run&quot;,
+    &quot;git-widget-placeholder&quot;: &quot;完成pt与bt交互、补充图片资源&quot;,
+    &quot;ignore.virus.scanning.warn.message&quot;: &quot;true&quot;,
+    &quot;kotlin-language-version-configured&quot;: &quot;true&quot;,
+    &quot;last_opened_file_path&quot;: &quot;D:/Desktop/echo后端/echo-backend/images&quot;,
+    &quot;node.js.detected.package.eslint&quot;: &quot;true&quot;,
+    &quot;node.js.selected.package.eslint&quot;: &quot;(autodetect)&quot;,
+    &quot;node.js.selected.package.tslint&quot;: &quot;(autodetect)&quot;,
+    &quot;nodejs_package_manager_path&quot;: &quot;npm&quot;,
+    &quot;settings.editor.selected.configurable&quot;: &quot;project.propVCSSupport.DirectoryMappings&quot;,
+    &quot;vue.rearranger.settings.migration&quot;: &quot;true&quot;,
+    &quot;应用程序.MyProjectApplication.executor&quot;: &quot;Run&quot;
   },
-  "keyToStringList": {
-    "DatabaseDriversLRU": [
-      "mysql_aurora"
+  &quot;keyToStringList&quot;: {
+    &quot;DatabaseDriversLRU&quot;: [
+      &quot;mysql_aurora&quot;
     ]
   }
-}]]></component>
+}</component>
   <component name="RecentsManager">
     <key name="CopyFile.RECENT_KEYS">
       <recent name="D:\Desktop\echo后端\echo-backend\images" />