diff --git a/src/client/src/tscSystem.c b/src/client/src/tscSystem.c
index 62ae2cd7098b74a5b5c9d024a116d1f47851c6cd..64bd474ac4a904afbc7e3f5536726852f59ab75c 100644
--- a/src/client/src/tscSystem.c
+++ b/src/client/src/tscSystem.c
@@ -88,7 +88,7 @@ int32_t tscAcquireRpc(const char *key, const char *user, const char *secretEncry
   rpcInit.sessions = tsMaxConnections;
   rpcInit.connType = TAOS_CONN_CLIENT;
   rpcInit.user = (char *)user;
-  rpcInit.idleTime = 2000; 
+  rpcInit.idleTime = tsShellActivityTimer * 1000; 
   rpcInit.ckey = "key"; 
   rpcInit.spi = 1; 
   rpcInit.secret = (char *)secretEncrypt;