diff --git a/lib_acl_cpp/include/acl_cpp/master/master_threads.hpp b/lib_acl_cpp/include/acl_cpp/master/master_threads.hpp
index bb02d5bc8..c3ded3e66 100644
--- a/lib_acl_cpp/include/acl_cpp/master/master_threads.hpp
+++ b/lib_acl_cpp/include/acl_cpp/master/master_threads.hpp
@@ -34,7 +34,8 @@ public:
 	 *  且不会启动线程处理客户端请求
 	 * @return {bool} 监听是否成功
 	 *  注：count, threads_count 两个参数不再有效，将会使用配置文件中的
-	 *  配置值
+	 *  配置值 ioctl_use_limit(控制处理连接的个数) 及 ioctl_max_threads(
+	 *  控制启动的最大线程数)
 	 */
 	bool run_alone(const char* addrs, const char* path = NULL,
 		unsigned int count = 1, int threads_count = 1);