diff --git a/include/os/osSysinfo.h b/include/os/osSysinfo.h
index a8110ee06aac21f9b0fa65f9b0e9f75d12bc3a17..206dbecd219d30875267803664290415a1e0ff6d 100644
--- a/include/os/osSysinfo.h
+++ b/include/os/osSysinfo.h
@@ -18,8 +18,7 @@
 
 #include "os.h"
 
-// #include <linux/unistd.h>       /* for _syscallX macros/related stuff */
-// #include <linux/kernel.h>       /* for struct sysinfo */
+
 
 
 #ifdef __cplusplus
diff --git a/source/dnode/mgmt/mgmt_dnode/src/dmWorker.c b/source/dnode/mgmt/mgmt_dnode/src/dmWorker.c
index 5854450fc7a497d544257c14a96e5b00a46cb837..783babcb666bf42d6999c54aa8ecd130c091e710 100644
--- a/source/dnode/mgmt/mgmt_dnode/src/dmWorker.c
+++ b/source/dnode/mgmt/mgmt_dnode/src/dmWorker.c
@@ -26,7 +26,6 @@ static void *dmStatusThreadFp(void *param) {
   int32_t              trimCount = 0;
   int32_t              upTimeCount = 0;
   int64_t              upTime = 0;
-  int64_t              thrdTime = 0;
 
   while (1) {
     taosMsleep(200);
@@ -44,17 +43,11 @@ static void *dmStatusThreadFp(void *param) {
         taosMemoryTrim(0);
       }
 
-      if ((upTimeCount = (++upTimeCount & 7)) == 0) {  
+      if ((upTimeCount = (++upTimeCount & 63)) == 0) {
         upTime = (taosGetOsUptime() - tsDndStartOsUptime) * 1000;
+        tsDndUpTime = TMAX(tsDndUpTime, upTime);
       }
     }
-
-    thrdTime += 200;
-    cost = taosGetTimestampMs() - curTime;
-    if (cost > 0) thrdTime += cost;
-    tsDndUpTime = upTime > thrdTime ? upTime : thrdTime;
-    printf("upTime:%" PRIi64 " thrdTime:%" PRIi64 " tsDndUpTime:%" PRIi64 " delta:%" PRIi64 "\n", upTime, thrdTime,
-           tsDndUpTime, upTime - thrdTime);
   }
 
   return NULL;
diff --git a/source/os/src/osSysinfo.c b/source/os/src/osSysinfo.c
index 1f631c7388c4b4f3fc67a2b912fd3fa5900c1f79..a29b96dd6f2e31b6c21fe5dc3c0600d78cff186a 100644
--- a/source/os/src/osSysinfo.c
+++ b/source/os/src/osSysinfo.c
@@ -963,16 +963,14 @@ char *taosGetCmdlineByPID(int pid) {
 
 int64_t taosGetOsUptime() {
 #ifdef WINDOWS
-  return 0;
-// #else
-// #elif defined(_TD_DARWIN_64)
-//   return 0;
+#elif defined(_TD_DARWIN_64)
 #else
   struct sysinfo info;
   if (0 == sysinfo(&info)) {
     return info.uptime;
   };
 #endif
+  return 0;
 }
 
 void taosSetCoreDump(bool enable) {