diff --git a/src/common/src/tglobal.c b/src/common/src/tglobal.c
index f51d205c26df451a0d6db06cafb0c59fbcea2379..80bf48364c2c634a47122b0834f07d8c229c0ef7 100644
--- a/src/common/src/tglobal.c
+++ b/src/common/src/tglobal.c
@@ -47,7 +47,7 @@ char     tsEmail[TSDB_FQDN_LEN] = {0};
 // common
 int32_t tsRpcTimer       = 1000;
 int32_t tsRpcMaxTime     = 600;  // seconds;
-int32_t tsMaxShellConns  = 5000;
+int32_t tsMaxShellConns  = 50000;
 int32_t tsMaxConnections = 5000;
 int32_t tsShellActivityTimer  = 3;  // second
 float   tsNumOfThreadsPerCore = 1.0f;