diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index ec9890f..5271071 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -4,10 +4,8 @@
     <option name="autoReloadType" value="ALL" />
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="18dd0d68-b4b8-40db-9734-9119b5c848bd" name="更改" comment=":bug: Fix doesn't get has lifecycle settings buckets correctly">
+    <list default="true" id="18dd0d68-b4b8-40db-9734-9119b5c848bd" name="更改" comment=":zap: Fix the RandString method cause the lag">
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/pkg/internal/services/attachments.go" beforeDir="false" afterPath="$PROJECT_DIR$/pkg/internal/services/attachments.go" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/pkg/internal/services/random_id.go" beforeDir="false" afterPath="$PROJECT_DIR$/pkg/internal/services/random_id.go" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/pkg/internal/services/recycler.go" beforeDir="false" afterPath="$PROJECT_DIR$/pkg/internal/services/recycler.go" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
@@ -38,33 +36,33 @@
     <option name="hideEmptyMiddlePackages" value="true" />
     <option name="showLibraryContents" value="true" />
   </component>
-  <component name="PropertiesComponent">{
-  &quot;keyToString&quot;: {
-    &quot;DefaultGoTemplateProperty&quot;: &quot;Go File&quot;,
-    &quot;Go Build.Backend.executor&quot;: &quot;Debug&quot;,
-    &quot;Go 构建.Backend.executor&quot;: &quot;Run&quot;,
-    &quot;RunOnceActivity.ShowReadmeOnStart&quot;: &quot;true&quot;,
-    &quot;RunOnceActivity.go.formatter.settings.were.checked&quot;: &quot;true&quot;,
-    &quot;RunOnceActivity.go.migrated.go.modules.settings&quot;: &quot;true&quot;,
-    &quot;RunOnceActivity.go.modules.automatic.dependencies.download&quot;: &quot;true&quot;,
-    &quot;RunOnceActivity.go.modules.go.list.on.any.changes.was.set&quot;: &quot;true&quot;,
-    &quot;git-widget-placeholder&quot;: &quot;master&quot;,
-    &quot;go.import.settings.migrated&quot;: &quot;true&quot;,
-    &quot;go.sdk.automatically.set&quot;: &quot;true&quot;,
-    &quot;last_opened_file_path&quot;: &quot;/Users/littlesheep/Documents/Projects/Hydrogen/Paperclip/pkg/internal/grpc&quot;,
-    &quot;node.js.detected.package.eslint&quot;: &quot;true&quot;,
-    &quot;node.js.selected.package.eslint&quot;: &quot;(autodetect)&quot;,
-    &quot;nodejs_package_manager_path&quot;: &quot;npm&quot;,
-    &quot;run.code.analysis.last.selected.profile&quot;: &quot;pProject Default&quot;,
-    &quot;settings.editor.selected.configurable&quot;: &quot;preferences.pluginManager&quot;,
-    &quot;vue.rearranger.settings.migration&quot;: &quot;true&quot;
+  <component name="PropertiesComponent"><![CDATA[{
+  "keyToString": {
+    "DefaultGoTemplateProperty": "Go File",
+    "Go Build.Backend.executor": "Run",
+    "Go 构建.Backend.executor": "Run",
+    "RunOnceActivity.ShowReadmeOnStart": "true",
+    "RunOnceActivity.go.formatter.settings.were.checked": "true",
+    "RunOnceActivity.go.migrated.go.modules.settings": "true",
+    "RunOnceActivity.go.modules.automatic.dependencies.download": "true",
+    "RunOnceActivity.go.modules.go.list.on.any.changes.was.set": "true",
+    "git-widget-placeholder": "master",
+    "go.import.settings.migrated": "true",
+    "go.sdk.automatically.set": "true",
+    "last_opened_file_path": "/Users/littlesheep/Documents/Projects/Hydrogen/Paperclip/pkg/internal/grpc",
+    "node.js.detected.package.eslint": "true",
+    "node.js.selected.package.eslint": "(autodetect)",
+    "nodejs_package_manager_path": "npm",
+    "run.code.analysis.last.selected.profile": "pProject Default",
+    "settings.editor.selected.configurable": "preferences.pluginManager",
+    "vue.rearranger.settings.migration": "true"
   },
-  &quot;keyToStringList&quot;: {
-    &quot;DatabaseDriversLRU&quot;: [
-      &quot;postgresql&quot;
+  "keyToStringList": {
+    "DatabaseDriversLRU": [
+      "postgresql"
     ]
   }
-}</component>
+}]]></component>
   <component name="RecentsManager">
     <key name="CopyFile.RECENT_KEYS">
       <recent name="$PROJECT_DIR$/pkg/internal/grpc" />
@@ -134,20 +132,10 @@
     <MESSAGE value=":bug: Fix schedule deletion will delete referenced file" />
     <MESSAGE value=":bug: Fix sql statement" />
     <MESSAGE value=":bug: Fix doesn't get has lifecycle settings buckets correctly" />
-    <option name="LAST_COMMIT_MESSAGE" value=":bug: Fix doesn't get has lifecycle settings buckets correctly" />
+    <MESSAGE value=":zap: Fix the RandString method cause the lag" />
+    <option name="LAST_COMMIT_MESSAGE" value=":zap: Fix the RandString method cause the lag" />
   </component>
   <component name="VgoProject">
     <settings-migrated>true</settings-migrated>
   </component>
-  <component name="XDebuggerManager">
-    <breakpoint-manager>
-      <breakpoints>
-        <line-breakpoint enabled="true" type="DlvLineBreakpoint">
-          <url>file://$PROJECT_DIR$/pkg/internal/services/attachments.go</url>
-          <line>62</line>
-          <option name="timeStamp" value="3" />
-        </line-breakpoint>
-      </breakpoints>
-    </breakpoint-manager>
-  </component>
 </project>
\ No newline at end of file
diff --git a/pkg/internal/services/recycler.go b/pkg/internal/services/recycler.go
index 28d4e5f..f22112d 100644
--- a/pkg/internal/services/recycler.go
+++ b/pkg/internal/services/recycler.go
@@ -49,10 +49,10 @@ func RunMarkDeletionTask() {
 	}
 
 	for _, pool := range pendingPools {
-		lifecycle := fmt.Sprintf("%d seconds", *pool.Config.Data().ExistLifecycle)
+		lifecycle := time.Now().Add(-time.Duration(*pool.Config.Data().ExistLifecycle) * time.Second)
 		tx := database.C.
 			Where("pool_id = ?", pool.ID).
-			Where("created_at < NOW() - INTERVAL ?", lifecycle).
+			Where("created_at < ?", lifecycle).
 			Updates(&models.Attachment{CleanedAt: lo.ToPtr(time.Now())})
 		log.Info().
 			Str("pool", pool.Alias).