diff --git a/include/os/osTimezone.h b/include/os/osTimezone.h
index c259587264706fb7372e2a2ba566c10121b78525..3676c4b634df89ec712bd07e2fc3b1b743fd4ab1 100644
--- a/include/os/osTimezone.h
+++ b/include/os/osTimezone.h
@@ -40,7 +40,7 @@ enum TdTimezone
       TdWestZone3,
       TdWestZone2,
       TdWestZone1,
-      TdZeroZero,
+      TdZeroZone,
       TdEastZone1,
       TdEastZone2,
       TdEastZone3,
diff --git a/source/os/src/osEnv.c b/source/os/src/osEnv.c
index 4847bbf2fee8abcc3834cc776ec70a4581e6b5d9..22884298efbcf7015a6426a2fa2827afa87914b1 100644
--- a/source/os/src/osEnv.c
+++ b/source/os/src/osEnv.c
@@ -27,7 +27,7 @@ SDiskSpace      tsLogSpace = {0};
 SDiskSpace      tsTempSpace = {0};
 char            tsOsName[16] = {0};
 char            tsTimezoneStr[TD_TIMEZONE_LEN] = {0};
-enum TdTimezone tsTimezone = TdZeroZero;
+enum TdTimezone tsTimezone = TdZeroZone;
 char            tsLocale[TD_LOCALE_LEN] = {0};
 char            tsCharset[TD_CHARSET_LEN] = {0};
 int8_t          tsDaylight = 0;
diff --git a/source/os/src/osMemory.c b/source/os/src/osMemory.c
index 1adf9f9bf3f9f8c362e512391e6825b2a1e50172..2ce851cd63694ac6335e774c5bbdfa31986309cb 100644
--- a/source/os/src/osMemory.c
+++ b/source/os/src/osMemory.c
@@ -115,7 +115,8 @@ void taosMemoryFree(const void *ptr) {
 
   TdMemoryInfoPtr pTdMemoryInfo = (TdMemoryInfoPtr)((char*)ptr - sizeof(TdMemoryInfo));
   if(pTdMemoryInfo->symbol == TD_MEMORY_SYMBOL) {
-    memset(pTdMemoryInfo, 0, sizeof(TdMemoryInfo));
+    pTdMemoryInfo->memorySize = 0;
+    // memset(pTdMemoryInfo, 0, sizeof(TdMemoryInfo));
     free(pTdMemoryInfo);
   } else {
     free((void*)ptr);