diff --git a/src/client/src/tscSystem.c b/src/client/src/tscSystem.c
index c594e047152313cb0a1554ee6e2fe5b43e4541b1..2db28970366c39acebf72670551b1e9b276f8705 100644
--- a/src/client/src/tscSystem.c
+++ b/src/client/src/tscSystem.c
@@ -71,6 +71,7 @@ int32_t tscInitRpc(const char *user, const char *secret) {
     rpcInit.sessions = tsMaxVnodeConnections;
     rpcInit.connType = TAOS_CONN_CLIENT;
     rpcInit.user = (char*)user;
+    rpcInit.idleTime = 2000;
     rpcInit.ckey = "key";
     rpcInit.secret = secretEncrypt;