diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 4290628..7c68806 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -4,11 +4,9 @@
     <option name="autoReloadType" value="ALL" />
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="18dd0d68-b4b8-40db-9734-9119b5c848bd" name="更改" comment=":ambulance: Fix getting user panic">
+    <list default="true" id="18dd0d68-b4b8-40db-9734-9119b5c848bd" name="更改" comment=":zap: Add cache into metadata fetching">
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/pkg/internal/server/api/attachments_api.go" beforeDir="false" afterPath="$PROJECT_DIR$/pkg/internal/server/api/attachments_api.go" 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="$PROJECT_DIR$/settings.toml" beforeDir="false" afterPath="$PROJECT_DIR$/settings.toml" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -38,28 +36,28 @@
     <option name="hideEmptyMiddlePackages" value="true" />
     <option name="showLibraryContents" value="true" />
   </component>
-  <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.lookFeel",
-    "vue.rearranger.settings.migration": "true"
+  <component name="PropertiesComponent">{
+  &quot;keyToString&quot;: {
+    &quot;DefaultGoTemplateProperty&quot;: &quot;Go File&quot;,
+    &quot;Go Build.Backend.executor&quot;: &quot;Run&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.lookFeel&quot;,
+    &quot;vue.rearranger.settings.migration&quot;: &quot;true&quot;
   }
-}]]></component>
+}</component>
   <component name="RecentsManager">
     <key name="CopyFile.RECENT_KEYS">
       <recent name="$PROJECT_DIR$/pkg/internal/grpc" />
@@ -117,7 +115,8 @@
     <MESSAGE value=":arrow_up: Upgrade Passport and use Hyper SDK" />
     <MESSAGE value=":arrow_up: Upgrade Passport to fix bug" />
     <MESSAGE value=":ambulance: Fix getting user panic" />
-    <option name="LAST_COMMIT_MESSAGE" value=":ambulance: Fix getting user panic" />
+    <MESSAGE value=":zap: Add cache into metadata fetching" />
+    <option name="LAST_COMMIT_MESSAGE" value=":zap: Add cache into metadata fetching" />
   </component>
   <component name="VgoProject">
     <settings-migrated>true</settings-migrated>
diff --git a/pkg/internal/server/api/attachments_api.go b/pkg/internal/server/api/attachments_api.go
index a7d0557..b64dbfe 100644
--- a/pkg/internal/server/api/attachments_api.go
+++ b/pkg/internal/server/api/attachments_api.go
@@ -93,7 +93,7 @@ func createAttachment(c *fiber.Ctx) error {
 		return err
 	}
 
-	if err := gap.H.EnsureGrantedPerm(c, "CreatePaperclipAttachments", file.Size); err != nil {
+	if err := gap.H.EnsureGrantedPerm(c, "CreateAttachments", file.Size); err != nil {
 		return err
 	}