diff --git a/source/libs/transport/src/transCli.c b/source/libs/transport/src/transCli.c
index 4d340d5664..c3e214b5e3 100644
--- a/source/libs/transport/src/transCli.c
+++ b/source/libs/transport/src/transCli.c
@@ -2367,7 +2367,7 @@ static int32_t createThrdObj(void* trans, SCliThrd** ppThrd) {
     }
   }
 
-  pThrd->pool = createConnPool(64);
+  pThrd->pool = createConnPool(128);
   if (pThrd->pool == NULL) {
     code = terrno;
     TAOS_CHECK_GOTO(terrno, NULL, _end);