diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 8105660..d5237a7 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -4,7 +4,12 @@
     <option name="autoReloadType" value="ALL" />
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="18dd0d68-b4b8-40db-9734-9119b5c848bd" name="更改" comment=":recycle: Moved onto dealer" />
+    <list default="true" id="18dd0d68-b4b8-40db-9734-9119b5c848bd" name="更改" comment=":recycle: Moved onto dealer">
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/pkg/internal/models/attachments.go" beforeDir="false" afterPath="$PROJECT_DIR$/pkg/internal/models/attachments.go" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/pkg/internal/services/analyzer.go" beforeDir="false" afterPath="$PROJECT_DIR$/pkg/internal/services/analyzer.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" />
     <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
@@ -33,28 +38,28 @@
     <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.pluginManager&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" />
@@ -83,8 +88,8 @@
   <component name="SharedIndexes">
     <attachedChunks>
       <set>
-        <option value="bundled-gosdk-33c477a475b1-e0158606a674-org.jetbrains.plugins.go.sharedIndexes.bundled-GO-241.18034.61" />
-        <option value="bundled-js-predefined-1d06a55b98c1-0b3e54e931b4-JavaScript-GO-241.18034.61" />
+        <option value="bundled-gosdk-5df93f7ad4aa-dfc284eb1eb8-org.jetbrains.plugins.go.sharedIndexes.bundled-GO-242.20224.306" />
+        <option value="bundled-js-predefined-d6986cc7102b-410509235cf1-JavaScript-GO-242.20224.306" />
       </set>
     </attachedChunks>
   </component>
diff --git a/pkg/internal/models/attachments.go b/pkg/internal/models/attachments.go
index bcd187d..08f82fe 100644
--- a/pkg/internal/models/attachments.go
+++ b/pkg/internal/models/attachments.go
@@ -25,6 +25,7 @@ type Attachment struct {
 	Metadata   datatypes.JSONMap `json:"metadata"`
 	IsMature   bool              `json:"is_mature"`
 	IsAnalyzed bool              `json:"is_analyzed"`
+	IsSelfRef  bool              `json:"is_self_ref"`
 
 	Ref   *Attachment `json:"ref"`
 	RefID *uint       `json:"ref_id"`
diff --git a/pkg/internal/services/analyzer.go b/pkg/internal/services/analyzer.go
index f3fcd01..e69413a 100644
--- a/pkg/internal/services/analyzer.go
+++ b/pkg/internal/services/analyzer.go
@@ -187,7 +187,7 @@ func AnalyzeAttachment(file models.Attachment) error {
 
 	start = time.Now()
 
-	// Move temporary to permanet
+	// Move temporary to permanent
 	if !linked {
 		if err := ReUploadFileToPermanent(file); err != nil {
 			return fmt.Errorf("unable to move file to permanet storage: %v", err)
diff --git a/pkg/internal/services/attachments.go b/pkg/internal/services/attachments.go
index fc5c1b2..5119dd2 100644
--- a/pkg/internal/services/attachments.go
+++ b/pkg/internal/services/attachments.go
@@ -109,6 +109,10 @@ func TryLinkAttachment(tx *gorm.DB, og models.Attachment, hash string) (bool, er
 	og.Uuid = prev.Uuid
 	og.Destination = prev.Destination
 
+	if og.AccountID == prev.AccountID {
+		og.IsSelfRef = true
+	}
+
 	if err := tx.Save(&og).Error; err != nil {
 		tx.Rollback()
 		return true, err