diff --git a/contrib/CMakeLists.txt b/contrib/CMakeLists.txt
index e797911adde33b1561e6d6094446dd28f0f1bc88..df69eb8aa1092dbb3730bdc64eaaf130c56aa32e 100644
--- a/contrib/CMakeLists.txt
+++ b/contrib/CMakeLists.txt
@@ -228,7 +228,7 @@ endif()
 
 # iconv
 if(${BUILD_WITH_ICONV})
-    add_subdirectory(iconv EXCLUDE_FROM_ALL)
+    add_library(iconv STATIC iconv/win_iconv.c)
 endif(${BUILD_WITH_ICONV})
 
 # wingetopt
diff --git a/include/common/trow.h b/include/common/trow.h
index ace59b2a910ceaad966a647df411ac835540d83d..02f84b372eee03182ba9bfdaf83740ad05332b19 100644
--- a/include/common/trow.h
+++ b/include/common/trow.h
@@ -1404,7 +1404,7 @@ static void tdSRowPrint(STSRow *row, STSchema *pSchema, const char* tag) {
   printf("%s >>>", tag);
   for (int i = 0; i < pSchema->numOfCols; ++i) {
     STColumn *stCol = pSchema->columns + i;
-    SCellVal  sVal = {.valType = 255, .val = NULL};
+    SCellVal  sVal = { 255, NULL};
     if (!tdSTSRowIterNext(&iter, stCol->colId, stCol->type, &sVal)) {
       break;
     }
diff --git a/source/dnode/mnode/impl/test/sdb/sdbTest.cpp b/source/dnode/mnode/impl/test/sdb/sdbTest.cpp
index 606db251d2f062ab632f3ab8601153abea695b1b..31d4733fe1068edab6a15b78f967d77bcb1f40d3 100644
--- a/source/dnode/mnode/impl/test/sdb/sdbTest.cpp
+++ b/source/dnode/mnode/impl/test/sdb/sdbTest.cpp
@@ -184,14 +184,14 @@ TEST_F(MndTestSdb, 01_Write) {
   taosRemoveDir(opt.path);
 
   SSdbTable strTable = {
-      .sdbType = SDB_USER,
-      .keyType = SDB_KEY_BINARY,
-      .deployFp = (SdbDeployFp)strDefault,
-      .encodeFp = (SdbEncodeFp)strEncode,
-      .decodeFp = (SdbDecodeFp)strDecode,
-      .insertFp = (SdbInsertFp)strInsert,
-      .updateFp = (SdbUpdateFp)strUpdate,
-      .deleteFp = (SdbDeleteFp)strDelete,
+      SDB_USER,
+      SDB_KEY_BINARY,
+      (SdbDeployFp)strDefault,
+      (SdbEncodeFp)strEncode,
+      (SdbDecodeFp)strDecode,
+      (SdbInsertFp)strInsert,
+      (SdbUpdateFp)strUpdate,
+      (SdbDeleteFp)strDelete,
   };
 
   pSdb = sdbInit(&opt);
@@ -304,14 +304,14 @@ TEST_F(MndTestSdb, 01_Read) {
   taosRemoveDir(opt.path);
 
   SSdbTable strTable = {
-      .sdbType = SDB_USER,
-      .keyType = SDB_KEY_BINARY,
-      .deployFp = (SdbDeployFp)strDefault,
-      .encodeFp = (SdbEncodeFp)strEncode,
-      .decodeFp = (SdbDecodeFp)strDecode,
-      .insertFp = (SdbInsertFp)strInsert,
-      .updateFp = (SdbUpdateFp)strDelete,
-      .deleteFp = (SdbDeleteFp)strUpdate,
+      SDB_USER,
+      SDB_KEY_BINARY,
+      (SdbDeployFp)strDefault,
+      (SdbEncodeFp)strEncode,
+      (SdbDecodeFp)strDecode,
+      (SdbInsertFp)strInsert,
+      (SdbUpdateFp)strUpdate,
+      (SdbDeleteFp)strDelete,
   };
 
   pSdb = sdbInit(&opt);
diff --git a/source/libs/scalar/src/sclfunc.c b/source/libs/scalar/src/sclfunc.c
index cf7de025cb58dc76bf1cd1d4219ea0328d71a79f..d68dce6d120a338b0e9c995d08edba48d75de9c2 100644
--- a/source/libs/scalar/src/sclfunc.c
+++ b/source/libs/scalar/src/sclfunc.c
@@ -170,7 +170,7 @@ static int32_t doScalarFunctionUnique2(SScalarParam *pInput, int32_t inputNum, S
   double *out = (double *)pOutputData->pData;
   double result;
 
-  int32_t numOfRows = MAX(pInput[0].numOfRows, pInput[1].numOfRows);
+  int32_t numOfRows = TMAX(pInput[0].numOfRows, pInput[1].numOfRows);
   if (pInput[0].numOfRows == pInput[1].numOfRows) {
     for (int32_t i = 0; i < numOfRows; ++i) {
       if (colDataIsNull_s(pInputData[0], i) ||
diff --git a/source/os/src/osDir.c b/source/os/src/osDir.c
index 748128e34e0a55a8ecd886713018359066ace8d4..6d90773d1b0d04b803011adb97896ece705814ed 100644
--- a/source/os/src/osDir.c
+++ b/source/os/src/osDir.c
@@ -40,11 +40,11 @@ int wordexp(char *words, wordexp_t *pwordexp, int flags) {
   memset(pwordexp->wordPos, 0, 1025);
   if (_fullpath(pwordexp->wordPos, words, 1024) == NULL) {
     pwordexp->we_wordv[0] = words;
-    printf("failed to parse relative path:%s to abs path", words);
+    printf("failed to parse relative path:%s to abs path\n", words);
     return -1;
   }
 
-  printf("parse relative path:%s to abs path:%s", words, pwordexp->wordPos);
+  printf("parse relative path:%s to abs path:%s\n", words, pwordexp->wordPos);
   return 0;
 }
 
diff --git a/source/os/src/osFile.c b/source/os/src/osFile.c
index 786e58a6d261fb5eca7f4d0ecedaf9336e5f6bb1..d378b5234aedb6d8e520a7ca6781a17826def3bc 100644
--- a/source/os/src/osFile.c
+++ b/source/os/src/osFile.c
@@ -22,20 +22,6 @@
 #define W_OK 2
 #define R_OK 4
 
-#if defined(_MSDOS)
-#define open _open
-#endif
-
-#if defined(_WIN32)
-extern int openA(const char *, int, ...); /* MsvcLibX ANSI version of open */
-extern int openU(const char *, int, ...); /* MsvcLibX UTF-8 version of open */
-#if defined(_UTF8_SOURCE) || defined(_BSD_SOURCE) || defined(_GNU_SOURCE)
-#define open openU
-#else /* _ANSI_SOURCE */
-#define open openA
-#endif /* defined(_UTF8_SOURCE) */
-#endif /* defined(_WIN32) */
-
 #define _SEND_FILE_STEP_ 1000
 
 #else
@@ -228,9 +214,6 @@ int32_t taosDevInoFile(const char *path, int64_t *stDev, int64_t *stIno) {
 void autoDelFileListAdd(const char *path) { return; }
 
 TdFilePtr taosOpenFile(const char *path, int32_t tdFileOptions) {
-#ifdef WINDOWS
-  return NULL;
-#else
   int   fd = -1;
   FILE *fp = NULL;
   if (tdFileOptions & TD_FILE_STREAM) {
@@ -263,7 +246,11 @@ TdFilePtr taosOpenFile(const char *path, int32_t tdFileOptions) {
     access |= (tdFileOptions & TD_FILE_APPEND) ? O_APPEND : 0;
     access |= (tdFileOptions & TD_FILE_TEXT) ? O_TEXT : 0;
     access |= (tdFileOptions & TD_FILE_EXCL) ? O_EXCL : 0;
+  #ifdef WINDOWS
+    fd = _open(path, access, _S_IREAD|_S_IWRITE);
+  #else
     fd = open(path, access, S_IRWXU | S_IRWXG | S_IRWXO);
+  #endif
     if (fd == -1) {
       return NULL;
     }
@@ -286,7 +273,6 @@ TdFilePtr taosOpenFile(const char *path, int32_t tdFileOptions) {
   pFile->fp = fp;
   pFile->refId = 0;
   return pFile;
-#endif
 }
 
 int64_t taosCloseFile(TdFilePtr *ppFile) {
diff --git a/source/os/src/osSysinfo.c b/source/os/src/osSysinfo.c
index ccc302e6467770f946e8a9031c63d330d185b73e..3c3612854c8a6bf8f943e55261fd61aeff340394 100644
--- a/source/os/src/osSysinfo.c
+++ b/source/os/src/osSysinfo.c
@@ -866,6 +866,16 @@ void taosSetCoreDump(bool enable) {
 
 SysNameInfo taosGetSysNameInfo() {
 #ifdef WINDOWS
+  SysNameInfo info = {0};
+  DWORD dwVersion = GetVersion();
+
+  tstrncpy(info.sysname, getenv("OS"), sizeof(info.sysname));
+  tstrncpy(info.nodename, getenv("COMPUTERNAME"), sizeof(info.nodename));
+  sprintf_s(info.release, sizeof(info.release), "%d", dwVersion & 0x0F);
+  sprintf_s(info.version, sizeof(info.release), "%d", (dwVersion >> 8) & 0x0F);
+  tstrncpy(info.machine, getenv("PROCESSOR_ARCHITECTURE"), sizeof(info.machine));
+
+  return info;
 #elif defined(_TD_DARWIN_64)
   SysNameInfo info = {0};
 
diff --git a/source/util/src/tconfig.c b/source/util/src/tconfig.c
index cb9ef8770125988d5e5e7101be4375576f166fae..8f48e0585e79294dd65649a37a12a2fbcb17beb4 100644
--- a/source/util/src/tconfig.c
+++ b/source/util/src/tconfig.c
@@ -687,13 +687,13 @@ int32_t cfgLoadFromEnvFile(SConfig *pConfig, const char *envFile) {
   const char *filepath = ".env";
   if (envFile != NULL && strlen(envFile)>0) {
     if (!taosCheckExistFile(envFile)) {
-      uError("fial to load env file: %s", envFile);
+      uError("failed to load env file: %s", envFile);
       return -1;
     }
     filepath = envFile;
   }else {
     if (!taosCheckExistFile(filepath)) {
-      uInfo("fial to load env file: %s", filepath);
+      uInfo("failed to load env file: %s", filepath);
       return 0;
     }
   }
@@ -826,7 +826,7 @@ int32_t cfgLoadFromApollUrl(SConfig *pConfig, const char *url) {
   if (strncmp(url, "jsonFile", 8) == 0) {
     char *filepath = p;
     if (!taosCheckExistFile(filepath)) {
-      uError("fial to load json file: %s", filepath);
+      uError("failed to load json file: %s", filepath);
       return -1;
     }
 
@@ -957,13 +957,13 @@ int32_t cfgGetApollUrl(const char **envCmd, const char *envFile, char* apolloUrl
   const char *filepath = ".env";
   if (envFile != NULL && strlen(envFile)>0) {
     if (!taosCheckExistFile(envFile)) {
-      uError("fial to load env file: %s", envFile);
+      uError("failed to load env file: %s", envFile);
       return -1;
     }
     filepath = envFile;
   }else {
     if (!taosCheckExistFile(filepath)) {
-      uInfo("fial to load env file: %s", filepath);
+      uInfo("failed to load env file: %s", filepath);
       return 0;
     }
   }