diff --git a/src/client/src/tscSystem.c b/src/client/src/tscSystem.c
index c594e04715..2db2897036 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;