diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 85c614e..017a8b8 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="3fefb2c4-b6f9-466b-a523-53352e8d6f95" name="更改" comment=":bug: Fix notification order">
+    <list default="true" id="3fefb2c4-b6f9-466b-a523-53352e8d6f95" name="更改" comment=":bug: Fix notification order... again">
       <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/notifications_api.go" beforeDir="false" afterPath="$PROJECT_DIR$/pkg/internal/server/api/notifications_api.go" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/pkg/internal/grpc/notifier.go" beforeDir="false" afterPath="$PROJECT_DIR$/pkg/internal/grpc/notifier.go" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -153,7 +153,6 @@
     </option>
   </component>
   <component name="VcsManagerConfiguration">
-    <MESSAGE value=":bug: Fix bot related key api issue" />
     <MESSAGE value=":bug: Fix query statement column issue" />
     <MESSAGE value=":sparkles: Daily signs" />
     <MESSAGE value=":bug: Fix daily check issue" />
@@ -178,7 +177,8 @@
     <MESSAGE value=":alien: Support better metadata encoder / decoder" />
     <MESSAGE value=":bug: Bug fixes on compile time" />
     <MESSAGE value=":bug: Fix notification order" />
-    <option name="LAST_COMMIT_MESSAGE" value=":bug: Fix notification order" />
+    <MESSAGE value=":bug: Fix notification order... again" />
+    <option name="LAST_COMMIT_MESSAGE" value=":bug: Fix notification order... again" />
   </component>
   <component name="VgoProject">
     <settings-migrated>true</settings-migrated>
diff --git a/pkg/internal/grpc/notifier.go b/pkg/internal/grpc/notifier.go
index 541badb..b329114 100644
--- a/pkg/internal/grpc/notifier.go
+++ b/pkg/internal/grpc/notifier.go
@@ -68,7 +68,7 @@ func (v *Server) NotifyUserBatch(_ context.Context, in *proto.NotifyUserBatchReq
 	var checklist = make(map[uint]bool, len(users))
 	var notifications []models.Notification
 	for _, user := range users {
-		if checklist[user.ID] {
+		if _, ok := checklist[user.ID]; ok {
 			continue
 		}