diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 1705ad5..ae3ef3f 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -4,221 +4,39 @@
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-      <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$/target/classes/com/example/myproject/dto/PromotionCreateDTO.class" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/dto/TorrentUpdateDTO.class" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/dto/param/TorrentParam.class" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/dto/param/TorrentUploadParam.class" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/dto/vo/TorrentVO.class" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/entity/EntityBase.class" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/entity/FavoriteEntity.class" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/entity/Promotion.class" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/entity/TorrentEntity.class" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/entity/User.class" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/entity/UserDetails.class" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/entity/VerificationToken.class" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/mapper/FavoriteMapper.class" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/mapper/PromotionMapper.class" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/mapper/TorrentMapper.class" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/mapper/UserMapper.class" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/mapper/VerificationTokenMapper.class" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/service/EmailService.class" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/service/PromotionService.class" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/service/TorrentService.class" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/service/UserDetailsService.class" beforeDir="false" />
-      <change beforePath="$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$/target/classes/com/example/myproject/service/serviceImpl/EmailServiceImpl.class" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/service/serviceImpl/PromotionServiceImpl.class" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/example/myproject/service/serviceImpl/TorrentServiceImpl.class" beforeDir="false" />
-      <change beforePath="$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$/target/classes/com/example/myproject/utils/VerifyCode.class" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/files/files.torrent" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/files/files.torrent" afterDir="false" />
-      <change beforePath="$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$/target/classes/output/valid.torrent" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/output/valid.torrent" afterDir="false" />
-      <change beforePath="$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$/target/maven-archiver/pom.properties" beforeDir="false" afterPath="$PROJECT_DIR$/target/maven-archiver/pom.properties" afterDir="false" />
-      <change beforePath="$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$/target/test-classes/com/example/myproject/controller/UserControllerTest.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/test-classes/com/example/myproject/controller/UserControllerTest.class" afterDir="false" />
+      <change beforePath="$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$/target/classes/com/example/myproject/mapper/UserMapper.class" beforeDir="false" afterPath="$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" />
@@ -238,13 +56,16 @@
   <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="CurrentFile" />
   </component>
-  <component name="ProjectColorInfo">{
-  &quot;customColor&quot;: &quot;&quot;,
-  &quot;associatedIndex&quot;: 8
-}</component>
   <component name="ProjectId" id="2vZNfNTEFyHApdxmHZ7Y0rlJjKB" />
   <component name="ProjectLevelVcsManager" settingsEditedManually="true" />
   <component name="ProjectViewState">
@@ -253,30 +74,9 @@
   </component>
   <component name="PropertiesComponent">{
   &quot;keyToString&quot;: {
-    &quot;JUnit.PostControllerTest.testGetAllCollections.executor&quot;: &quot;Run&quot;,
-    &quot;JUnit.SeedCommentControllerTest.executor&quot;: &quot;Run&quot;,
-    &quot;JUnit.UserControllerTest.executor&quot;: &quot;Run&quot;,
-    &quot;JUnit.UserControllerTest.testCalculateShareRate.executor&quot;: &quot;Run&quot;,
-    &quot;JUnit.UserControllerTest.testLogin.executor&quot;: &quot;Run&quot;,
-    &quot;JUnit.UserMessageControllerTest.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;SHARE_PROJECT_CONFIGURATION_FILES&quot;: &quot;true&quot;,
-    &quot;Spring Boot.MyProjectApplication.executor&quot;: &quot;Run&quot;,
-    &quot;git-widget-placeholder&quot;: &quot;master&quot;,
-    &quot;kotlin-language-version-configured&quot;: &quot;true&quot;,
-    &quot;last_opened_file_path&quot;: &quot;D:/study/学习资源/大三下/zy1&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;vue.rearranger.settings.migration&quot;: &quot;true&quot;,
-    &quot;应用程序.MyProjectApplication.executor&quot;: &quot;Run&quot;
+    &quot;last_opened_file_path&quot;: &quot;D:/study/学习资源/大三下/zy1&quot;
   }
 }</component>
   <component name="RecentsManager">
@@ -284,24 +84,60 @@
       <recent name="D:\study\学习资源\大三下\school\echo-backend\src\main\resources\mapper" />
     </key>
   </component>
-  <component name="RunManager" selected="Spring Boot.MyProjectApplication">
-    <configuration name="PostControllerTest.testGetAllCollections" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+  <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" />
       <extension name="coverage">
         <pattern>
-          <option name="PATTERN" value="com.example.myproject.controller.*" />
+          <option name="PATTERN" value="com.example.myproject.client.*" />
           <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.PostControllerTest" />
-      <option name="METHOD_NAME" value="testGetAllCollections" />
-      <option name="TEST_OBJECT" value="method" />
       <method v="2">
         <option name="Make" enabled="true" />
       </method>
     </configuration>
-    <configuration name="SeedCommentControllerTest" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <configuration name="MyProjectApplication" type="Application" factoryName="Application" temporary="true">
+      <option name="MAIN_CLASS_NAME" value="com.example.myproject.MyProjectApplication" />
+      <module name="echo-backend" />
+      <extension name="coverage">
+        <pattern>
+          <option name="PATTERN" value="com.example.myproject.*" />
+          <option name="ENABLED" value="true" />
+        </pattern>
+      </extension>
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
+    </configuration>
+    <configuration name="MyProjectApplication" type="Application" factoryName="Application" temporary="true" nameIsGenerated="true">
+      <option name="MAIN_CLASS_NAME" value="com.example.myproject.MyProjectApplication" />
+      <module name="echo-backend" />
+      <extension name="coverage">
+        <pattern>
+          <option name="PATTERN" value="com.example.myproject.*" />
+          <option name="ENABLED" value="true" />
+        </pattern>
+      </extension>
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
+    </configuration>
+    <configuration name="TrackerServer" type="Application" factoryName="Application" temporary="true" nameIsGenerated="true">
+      <option name="MAIN_CLASS_NAME" value="com.example.myproject.tracker.TrackerServer" />
+      <module name="echo-backend" />
+      <extension name="coverage">
+        <pattern>
+          <option name="PATTERN" value="com.example.myproject.tracker.*" />
+          <option name="ENABLED" value="true" />
+        </pattern>
+      </extension>
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
+    </configuration>
+    <configuration name="TorrentControllerTest" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
       <module name="echo-backend" />
       <extension name="coverage">
         <pattern>
@@ -310,84 +146,19 @@
         </pattern>
       </extension>
       <option name="PACKAGE_NAME" value="com.example.myproject.controller" />
-      <option name="MAIN_CLASS_NAME" value="com.example.myproject.controller.SeedCommentControllerTest" />
+      <option name="MAIN_CLASS_NAME" value="com.example.myproject.controller.TorrentControllerTest" />
       <option name="TEST_OBJECT" value="class" />
       <method v="2">
         <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="UserControllerTest.testCalculateShareRate" 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="METHOD_NAME" value="testCalculateShareRate" />
-      <option name="TEST_OBJECT" value="method" />
-      <method v="2">
-        <option name="Make" enabled="true" />
-      </method>
-    </configuration>
-    <configuration name="UserControllerTest.testLogin" 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="METHOD_NAME" value="testLogin" />
-      <option name="TEST_OBJECT" value="method" />
-      <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.testCalculateShareRate" />
-        <item itemvalue="JUnit.SeedCommentControllerTest" />
-        <item itemvalue="JUnit.PostControllerTest.testGetAllCollections" />
-        <item itemvalue="JUnit.UserControllerTest.testLogin" />
-        <item itemvalue="JUnit.UserControllerTest" />
+        <item itemvalue="应用程序.MyProjectApplication" />
+        <item itemvalue="JUnit.TorrentControllerTest" />
       </list>
     </recent_temporary>
   </component>
-  <component name="SharedIndexes">
-    <attachedChunks>
-      <set>
-        <option value="bundled-jdk-9823dce3aa75-fdfe4dae3a2d-intellij.indexing.shared.core-IU-243.21565.193" />
-        <option value="bundled-js-predefined-d6986cc7102b-e768b9ed790e-JavaScript-IU-243.21565.193" />
-      </set>
-    </attachedChunks>
-  </component>
   <component name="SpellCheckerSettings" RuntimeDictionaries="0" Folders="0" CustomDictionaries="0" DefaultDictionary="application-level" UseSingleDictionary="true" transferred="true" />
   <component name="TaskManager">
     <task active="true" id="Default" summary="Default task">
@@ -396,65 +167,7 @@
       <option name="number" value="Default" />
       <option name="presentableId" value="Default" />
       <updated>1744348740342</updated>
-      <workItem from="1748365596283" duration="1338000" />
-      <workItem from="1748399668577" duration="2005000" />
-      <workItem from="1748420755904" duration="2888000" />
-      <workItem from="1748498763620" duration="6818000" />
     </task>
     <servers />
   </component>
-  <component name="TypeScriptGeneratedFilesManager">
-    <option name="version" value="3" />
-  </component>
-  <component name="Vcs.Log.Tabs.Properties">
-    <option name="OPEN_GENERIC_TABS">
-      <map>
-        <entry key="765a09ce-9187-4ef5-ad6f-a3b496f9ceba" value="TOOL_WINDOW" />
-      </map>
-    </option>
-    <option name="TAB_STATES">
-      <map>
-        <entry key="765a09ce-9187-4ef5-ad6f-a3b496f9ceba">
-          <value>
-            <State>
-              <option name="FILTERS">
-                <map>
-                  <entry key="roots">
-                    <value>
-                      <list>
-                        <option value="$PROJECT_DIR$" />
-                      </list>
-                    </value>
-                  </entry>
-                </map>
-              </option>
-              <option name="SHOW_ONLY_AFFECTED_CHANGES" value="true" />
-            </State>
-          </value>
-        </entry>
-        <entry key="MAIN">
-          <value>
-            <State>
-              <option name="FILTERS">
-                <map>
-                  <entry key="branch">
-                    <value>
-                      <list>
-                        <option value="HEAD" />
-                      </list>
-                    </value>
-                  </entry>
-                </map>
-              </option>
-            </State>
-          </value>
-        </entry>
-      </map>
-    </option>
-  </component>
-  <component name="VcsManagerConfiguration">
-    <MESSAGE value="Changes" />
-    <MESSAGE value="Merge &quot;添加依赖&quot;" />
-    <option name="LAST_COMMIT_MESSAGE" value="Merge &quot;添加依赖&quot;" />
-  </component>
 </project>
\ No newline at end of file