diff --git a/sdk/transmission/trans_channel/tcp_direct/src/client_trans_tcp_direct_manager.c b/sdk/transmission/trans_channel/tcp_direct/src/client_trans_tcp_direct_manager.c
index 99370608b..63ba2c060 100644
--- a/sdk/transmission/trans_channel/tcp_direct/src/client_trans_tcp_direct_manager.c
+++ b/sdk/transmission/trans_channel/tcp_direct/src/client_trans_tcp_direct_manager.c
@@ -30,9 +30,9 @@
 #include "trans_server_proxy.h"
 
 #define HEART_TIME 300
-#define TCP_KEEPALIVE_INTERVAL 2
+#define TCP_KEEPALIVE_INTERVAL 4
 #define TCP_KEEPALIVE_COUNT 5
-#define USER_TIME_OUT (305 * 1000)
+#define USER_TIME_OUT (320 * 1000)
 
 static SoftBusList *g_tcpDirectChannelInfoList = NULL;