diff --git a/src/client/src/tscServer.c b/src/client/src/tscServer.c
index 581271f8455f655451a0e9291e131a7eb8ac2dec..0f89c537eca665c52637228eb8c640903c0d03e7 100644
--- a/src/client/src/tscServer.c
+++ b/src/client/src/tscServer.c
@@ -207,6 +207,7 @@ void tscProcessActivityTimer(void *handle, void *tmrId) {
 
   assert(*pHB->self == pHB);
 
+  pHB->retry = 0;
   int32_t code = tscProcessSql(pHB);
   taosCacheRelease(tscObjCache, (void**) &p, false);