add

answer_reply1.py

@@ -62,11 +62,12 @@ if __name__ == "__main__":
 
         redis_client = set_reply_to_redis()
         have_reply = redis_client.get(redis_key1)
-        result = json.loads(str(have_reply, encoding="utf-8"))
-        if result:
-            redis_client.set(redis_key2, json.dumps(reply_data_comment))
-        else:
-            redis_client.set(redis_key1, json.dumps(reply_data_comment))
+        if have_reply:
+            result = json.loads(str(have_reply, encoding="utf-8"))
+            if result:
+                redis_client.set(redis_key2, json.dumps(reply_data_comment))
+            else:
+                redis_client.set(redis_key1, json.dumps(reply_data_comment))
 
     except:
         logging.error("catch exception,main:%s" % traceback.format_exc())