diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 81bfe00..490cca3 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -4,9 +4,9 @@
     <option name="autoReloadType" value="ALL" />
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="18dd0d68-b4b8-40db-9734-9119b5c848bd" name="更改" comment=":boom: Replace attachment id by rid when fetching">
+    <list default="true" id="18dd0d68-b4b8-40db-9734-9119b5c848bd" name="更改" comment=":boom: Use attachment rid instead of primary key when create">
       <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/stickers_api.go" beforeDir="false" afterPath="$PROJECT_DIR$/pkg/internal/server/api/stickers_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" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -136,7 +136,8 @@
     <MESSAGE value=":bug: Fix mark clean required issue" />
     <MESSAGE value=":sparkles: Support use rid to get file" />
     <MESSAGE value=":boom: Replace attachment id by rid when fetching" />
-    <option name="LAST_COMMIT_MESSAGE" value=":boom: Replace attachment id by rid when fetching" />
+    <MESSAGE value=":boom: Use attachment rid instead of primary key when create" />
+    <option name="LAST_COMMIT_MESSAGE" value=":boom: Use attachment rid instead of primary key when create" />
   </component>
   <component name="VgoProject">
     <settings-migrated>true</settings-migrated>
diff --git a/pkg/internal/services/attachments.go b/pkg/internal/services/attachments.go
index 94ababc..d18f932 100644
--- a/pkg/internal/services/attachments.go
+++ b/pkg/internal/services/attachments.go
@@ -197,9 +197,9 @@ func DeleteAttachment(item models.Attachment) error {
 }
 
 func MaintainAttachmentCache() {
-	var keySet []uint
+	var keySet []any
 	metadataCache.Range(func(k any, v any) bool {
-		keySet = append(keySet, k.(uint))
+		keySet = append(keySet, k)
 		return true
 	})
 	if len(keySet) > metadataCacheLimit {