修复json 序列化问题

util/json_util.py

@@ -9,7 +9,9 @@ from daylife.dao.sqlengin import AlchemyEncoder
 
 class MyJSONEncoder(json.JSONEncoder):
     def default(self, obj):
-        if isinstance(obj, (datetime.datetime,)):
+        if obj.__dict__:
+            return obj.__dict__
+        elif isinstance(obj, (datetime.datetime,)):
             return int(time.mktime(obj.timetuple()) * 1000)
         elif isinstance(obj, (decimal.Decimal,)):
             return {"val": str(obj), "_spec_type": "decimal"}