diff --git a/packaging/cfg/taos.cfg b/packaging/cfg/taos.cfg
index 7be6e729622ed3201725aa42d38fe7896052b37c..c12726d2920f236593f6707c0071efc73eeea189 100644
--- a/packaging/cfg/taos.cfg
+++ b/packaging/cfg/taos.cfg
@@ -129,7 +129,7 @@
 # mqttPort              1883
 
 # mqtt topic
-# mqttTopic             /weather/loop
+# mqttTopic             /test
 
 # the compressed rpc message, option:
 #  -1 (no compression)
diff --git a/src/common/src/tglobal.c b/src/common/src/tglobal.c
index c7763a257a82a2cec100c850eab644a0a99a3113..9683a635038dffa4b06df9fb90413673ac0017ad 100644
--- a/src/common/src/tglobal.c
+++ b/src/common/src/tglobal.c
@@ -1298,21 +1298,21 @@ bool taosCheckGlobalCfg() {
     taosGetFqdn(tsLocalFqdn);
   }
 
-  snprintf(tsLocalEp, sizeof(tsLocalEp), "%s:%d", tsLocalFqdn, tsServerPort);
+  snprintf(tsLocalEp, sizeof(tsLocalEp), "%s:%u", tsLocalFqdn, tsServerPort);
   uInfo("localEp is: %s", tsLocalEp);
 
   if (tsFirst[0] == 0) {
     strcpy(tsFirst, tsLocalEp);
   } else {
     taosGetFqdnPortFromEp(tsFirst, fqdn, &port);
-    snprintf(tsFirst, sizeof(tsFirst), "%s:%d", fqdn, port);
+    snprintf(tsFirst, sizeof(tsFirst), "%s:%u", fqdn, port);
   }
 
   if (tsSecond[0] == 0) {
     strcpy(tsSecond, tsLocalEp);
   } else {
     taosGetFqdnPortFromEp(tsSecond, fqdn, &port);
-    snprintf(tsSecond, sizeof(tsSecond), "%s:%d", fqdn, port);
+    snprintf(tsSecond, sizeof(tsSecond), "%s:%u", fqdn, port);
   }
 
   taosGetSystemInfo();