diff --git a/source/client/src/clientHb.c b/source/client/src/clientHb.c
index 97ef77abcc..0f4ff6f725 100644
--- a/source/client/src/clientHb.c
+++ b/source/client/src/clientHb.c
@@ -157,6 +157,9 @@ SAppHbMgr* appHbMgrInit(SAppInstInfo* pAppInstInfo) {
   }
   // init stat
   pAppHbMgr->startTime = taosGetTimestampMs();
+  pAppHbMgr->connKeyCnt = 0;
+  pAppHbMgr->reportCnt = 0;
+  pAppHbMgr->reportBytes = 0;
 
   // init app info
   pAppHbMgr->pAppInstInfo = pAppInstInfo;
diff --git a/source/client/test/clientTests.cpp b/source/client/test/clientTests.cpp
index 13915fd85d..415d6a57ce 100644
--- a/source/client/test/clientTests.cpp
+++ b/source/client/test/clientTests.cpp
@@ -53,9 +53,7 @@ TEST(testCase, connect_Test) {
   if (pConn == NULL) {
     printf("failed to connect to server, reason:%s\n", taos_errstr(NULL));
   }
-  while (1) {
-    sleep(3);
-  }
+  sleep(3);
   taos_close(pConn);
 }