修复客户端工具类缺陷

util/clientutil.go

@@ -60,7 +60,7 @@ func (cu *ClientUtil) Run(serviceName string, errRetryTime int, fn CallFn, args
 			time.Sleep(1 * time.Second)
 			continue
 		}
-		ret, err := fn(conn, args)
+		ret, err := fn(conn, args...)
 		conn.Close()
 		return ret, err
 	}