diff --git a/src/system/src/vnodeShell.c b/src/system/src/vnodeShell.c
index 245da169ed722d5f9fa8f15da97fcf4693642ca9..c87c504dcba7abe414755dda371007f5f82faccb 100644
--- a/src/system/src/vnodeShell.c
+++ b/src/system/src/vnodeShell.c
@@ -128,7 +128,7 @@ int vnodeInitShell() {
   rpcInit.sessionsPerChann = 16;
   rpcInit.idMgmt = TAOS_ID_FREE;
   rpcInit.connType = TAOS_CONN_UDPS;
-  rpcInit.idleTime = tsShellActivityTimer * 1200;
+  rpcInit.idleTime = tsShellActivityTimer * 2000;
   rpcInit.qhandle = rpcQhandle[0];
   rpcInit.efp = vnodeSendVpeerCfgMsg;