err=dbConn.Exec("insert into friend_request(req_id,user_id,flag,req_message,create_time) values(?,?,?,?,?)",reqId,userId,flag,reqMessage,time.Now()).Error
err=dbConn.Exec("replace into friend_request(req_id,user_id,flag,req_message,create_time) values(?,?,?,?,?)",reqId,userId,flag,reqMessage,time.Now()).Error