diff --git a/core/api.go b/core/api.go
index bc7e060..6c3fc1f 100644
--- a/core/api.go
+++ b/core/api.go
@@ -303,6 +303,12 @@ func (caller apiCaller) serviceAPI(w http.ResponseWriter, r *http.Request) error
 			return err
 		}
 
+		if len(service.ServerApiTokens) == 0 {
+			service.ServerApiTokens = []primitive.ObjectID{
+				primitive.NewObjectIDFromTimestamp(time.Now().Add(-time.Hour * 24 * 30 * 465)),
+			}
+		}
+
 		filter := bson.M{"_id": service.Id}
 		success, _, err := mg.mongoClient.Update(CollectionService, filter, bson.M{
 			"$set": &service,
@@ -335,7 +341,7 @@ func (caller apiCaller) maintenanceAPI(w http.ResponseWriter, r *http.Request) e
 		}
 
 		_, _, err := mg.mongoClient.Update(CollectionService, bson.M{
-			"_Id": mg.service().Id,
+			"_id": mg.service().Id,
 		}, bson.M{
 			"$set": bson.M{"divisions": divs},
 		}, options.Update().SetUpsert(false))
diff --git a/core/watch.go b/core/watch.go
index 1e85173..06ecacf 100644
--- a/core/watch.go
+++ b/core/watch.go
@@ -286,9 +286,13 @@ func (mg *Maingate) watchServiceCollection(parentctx context.Context, serveMux *
 					if err := data.Service.prepare(mg); err != nil {
 						logger.Error("service cannot be prepared :", data.Service, err)
 					} else {
+						// 내가 임시로 가지고 있던 서비스일 수 있다.
+						already := mg.service().Id == data.Service.Id
 						logger.Println("service is on the board! :", data.Service)
 						atomic.StorePointer(&mg.serviceptr, unsafe.Pointer(data.Service))
-						serveMux.Handle(common.MakeHttpHandlerPattern(prefix, data.Service.ServiceCode, "/"), mg.service())
+						if !already {
+							serveMux.Handle(common.MakeHttpHandlerPattern(prefix, data.Service.ServiceCode, "/"), mg.service())
+						}
 					}
 
 				case "replace":