diff --git a/app/master/tools/lib_global/src/ipc_monitor.cpp b/app/master/tools/lib_global/src/ipc_monitor.cpp
index cd69cdc6e..041733a5e 100644
--- a/app/master/tools/lib_global/src/ipc_monitor.cpp
+++ b/app/master/tools/lib_global/src/ipc_monitor.cpp
@@ -29,6 +29,6 @@ void ipc_monitor::check_idle(void)
 	for (std::vector<acl::connect_pool*>::iterator it = pools.begin();
 		it != pools.end(); ++it)
 	{
-		(*it)->check_idle(ttl_);
+		(*it)->check_idle((time_t) ttl_);
 	}
 }
diff --git a/lib_acl_cpp/include/acl_cpp/connpool/connect_pool.hpp b/lib_acl_cpp/include/acl_cpp/connpool/connect_pool.hpp
index 73972fc2b..6c4c02bc4 100644
--- a/lib_acl_cpp/include/acl_cpp/connpool/connect_pool.hpp
+++ b/lib_acl_cpp/include/acl_cpp/connpool/connect_pool.hpp
@@ -100,6 +100,14 @@ public:
 	 */
 	void put(connect_client* conn, bool keep = true);
 
+	/**
+	 * 检查连接池中空闲的连接，释放过期连接
+	 * @param ttl {time_t} 该值 >= 0 时，过期时间大于此值的连接将被关闭
+	 * @param exclusive {bool} 内部是否需要加锁
+	 * @return {size_t} 返回被释放空闲连接个数
+	 */
+	size_t check_idle(time_t ttl, bool exclusive = true);
+
 	/**
 	 * 检查连接池中空闲的连接，释放过期连接（过期时间使用 set_idle_ttl() 设置的值）
 	 * @param exclusive {bool} 内部是否需要加锁
@@ -117,14 +125,6 @@ public:
 	 */
 	size_t check_idle(time_t ttl, bool kick_dead, bool exclusive = true);
 
-	/**
-	 * 检查连接池中空闲的连接，释放过期连接
-	 * @param ttl {time_t} 该值 >= 0 时，过期时间大于此值的连接将被关闭
-	 * @param exclusive {bool} 内部是否需要加锁
-	 * @return {size_t} 返回被释放空闲连接个数
-	 */
-	size_t check_idle(time_t ttl, bool exclusive = true);
-
 	/**
 	 * 检测连接状态，并关闭断开连接，内部自动加锁保护
 	 * @param count {size_t} 检测的连接个数，缺省值为 0 表示检测所有连接