MOD:修复service_name

wechat_action/sql_tools.py

@@ -314,7 +314,7 @@ def get_wechat_info(sql_session, user_id):
 
 def get_wechat_info_service_name(sql_session, user_id):
     sql = '''
-        select service_name from wechat_info
+        select distinct(service_name) from wechat_info
         where user_id ='{}' ;
     '''.format(user_id)
     cursor = sql_session.execute(sql)