diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 9c9d052..30172ca 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -7,12 +7,6 @@
     <list default="true" id="3fefb2c4-b6f9-466b-a523-53352e8d6f95" name="更改" comment=":sparkles: Apple push notification services">
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/pkg/grpc/notify.go" beforeDir="false" afterPath="$PROJECT_DIR$/pkg/grpc/notify.go" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/pkg/grpc/proto/notify.pb.go" beforeDir="false" afterPath="$PROJECT_DIR$/pkg/grpc/proto/notify.pb.go" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/pkg/grpc/proto/notify.proto" beforeDir="false" afterPath="$PROJECT_DIR$/pkg/grpc/proto/notify.proto" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/pkg/grpc/proto/notify_grpc.pb.go" beforeDir="false" afterPath="$PROJECT_DIR$/pkg/grpc/proto/notify_grpc.pb.go" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/pkg/models/notifications.go" beforeDir="false" afterPath="$PROJECT_DIR$/pkg/models/notifications.go" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/pkg/server/notifications_api.go" beforeDir="false" afterPath="$PROJECT_DIR$/pkg/server/notifications_api.go" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/pkg/server/notify_api.go" beforeDir="false" afterPath="$PROJECT_DIR$/pkg/server/notify_api.go" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/pkg/services/notifications.go" beforeDir="false" afterPath="$PROJECT_DIR$/pkg/services/notifications.go" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
diff --git a/pkg/grpc/notify.go b/pkg/grpc/notify.go
index 7279057..f1bc325 100644
--- a/pkg/grpc/notify.go
+++ b/pkg/grpc/notify.go
@@ -32,7 +32,7 @@ func (v *Server) NotifyUser(_ context.Context, in *proto.NotifyRequest) (*proto.
 	})
 
 	notification := models.Notification{
-		Type:        in.GetType(),
+		Type:        lo.Ternary(len(in.GetType()) > 0, in.GetType(), "common"),
 		Subject:     in.GetSubject(),
 		Content:     in.GetContent(),
 		Metadata:    metadata,
diff --git a/pkg/services/notifications.go b/pkg/services/notifications.go
index 947c4a0..ddfdd3e 100644
--- a/pkg/services/notifications.go
+++ b/pkg/services/notifications.go
@@ -118,13 +118,18 @@ func PushNotification(notification models.Notification) error {
 				}
 				payload := &apns2.Notification{
 					DeviceToken: subscriber.DeviceToken,
-					Topic:       "dev.solsynth.solian.UniversalNotification",
+					Topic:       "dev.solsynth.solian",
 					Payload:     data,
 				}
 
-				_, err = ExtAPNS.Push(payload)
-				if err != nil {
+				if resp, err := ExtAPNS.Push(payload); err != nil {
 					log.Warn().Err(err).Msg("An error occurred when notify subscriber via APNs...")
+				} else {
+					log.Debug().
+						Str("reason", resp.Reason).
+						Int("status", resp.StatusCode).
+						Int("subscriber", int(subscriber.ID)).
+						Msg("Notified subscriber via APNs.")
 				}
 			}
 		}