t

Service/ModelService.py

@@ -76,13 +76,16 @@ class ModelService:
 
     @staticmethod
     def get_user_mark(userID):
-        qs = Device_User.objects.filter(userID=userID).values('username','userEmail','phone')
-        if qs[0]['username']:
-            return qs[0]['username']
-        elif qs[0]['userEmail']:
-            return qs[0]['userEmail']
-        elif qs[0]['phone']:
-            return qs[0]['phone']
+        if userID:
+            qs = Device_User.objects.filter(userID=userID).values('username', 'userEmail', 'phone')
+            if qs[0]['username']:
+                return qs[0]['username']
+            elif qs[0]['userEmail']:
+                return qs[0]['userEmail']
+            elif qs[0]['phone']:
+                return qs[0]['phone']
+            else:
+                return ''
         else:
             return ''