diff --git a/source/dnode/mgmt/mgmt_dnode/src/dmWorker.c b/source/dnode/mgmt/mgmt_dnode/src/dmWorker.c
index 7cc896cb840be0f0f8de9519462cca26cc1daf59..98bb4e3f9c745ebfd0404b026b5b3c68ee0234c8 100644
--- a/source/dnode/mgmt/mgmt_dnode/src/dmWorker.c
+++ b/source/dnode/mgmt/mgmt_dnode/src/dmWorker.c
@@ -42,7 +42,7 @@ static void *dmStatusThreadFp(void *param) {
         taosMemoryTrim(0);
       }
 
-      if ((upTimeCount = (++upTimeCount & 63)) == 0) {
+      if ((upTimeCount = ((upTimeCount + 1) & 63)) == 0) {
         upTime = taosGetOsUptime() - tsDndStartOsUptime;
         tsDndUpTime = TMAX(tsDndUpTime, upTime);
       }