diff --git a/src/client/src/TSDBJNIConnector.c b/src/client/src/TSDBJNIConnector.c
index 5036983424184c799f42169e2ec1dcf39bfc109f..34204f96bfe629c712afb5cf3b23cd5a50eb28d3 100644
--- a/src/client/src/TSDBJNIConnector.c
+++ b/src/client/src/TSDBJNIConnector.c
@@ -583,7 +583,7 @@ JNIEXPORT jlong JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_consumeImp(JNIEn
     return 0l;
   }
 
-  return (long)res;
+  return (jlong)res;
 }
 
 JNIEXPORT void JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_unsubscribeImp(JNIEnv *env, jobject jobj, jlong sub,
diff --git a/src/client/src/tscSQLParser.c b/src/client/src/tscSQLParser.c
index f9333667112b2a624da86bb74c1126ef46cc7552..e5bb516ee683a8acf44bb4c7a01b0fdc6475a57f 100644
--- a/src/client/src/tscSQLParser.c
+++ b/src/client/src/tscSQLParser.c
@@ -2390,7 +2390,7 @@ bool validateIpAddress(const char* ip, size_t size) {
 
   strncpy(tmp, ip, size);
 
-  in_addr_t epAddr = inet_addr(tmp);
+  in_addr_t epAddr = taosInetAddr(tmp);
 
   return epAddr != INADDR_NONE;
 }
diff --git a/src/common/src/ttimezone.c b/src/common/src/ttimezone.c
index edb6aea7f9447805b8be64b4ec93be6167bdbca2..62b1e0bb5cca71227dd08cf5e87980662455d167 100644
--- a/src/common/src/ttimezone.c
+++ b/src/common/src/ttimezone.c
@@ -50,7 +50,7 @@ void tsSetTimeZone() {
 #endif
 #endif
 
-  int32_t tz = (-timezone * MILLISECOND_PER_SECOND) / MILLISECOND_PER_HOUR;
+  int32_t tz = (int32_t)((-timezone * MILLISECOND_PER_SECOND) / MILLISECOND_PER_HOUR);
   tz += daylight;
 
   /*
diff --git a/src/kit/taosnetwork/client.c b/src/kit/taosnetwork/client.c
index 102f9b9d89b3e39218d53105fe620b0726e41d45..74c161bf67fb97e64625758643b1ad94f4078d9f 100644
--- a/src/kit/taosnetwork/client.c
+++ b/src/kit/taosnetwork/client.c
@@ -91,7 +91,7 @@ int checkTcpPort(info_s *info) {
   serverAddr.sin_family = AF_INET;
   serverAddr.sin_port = htons(port);
 
-  serverAddr.sin_addr.s_addr = inet_addr(host);
+  serverAddr.sin_addr.s_addr = taosInetAddr(host);
 
   //printf("=================================\n");
   if (connect(clientSocket, (struct sockaddr *)&serverAddr, sizeof(serverAddr)) < 0) {
@@ -157,7 +157,7 @@ int checkUdpPort(info_s *info) {
   
   serverAddr.sin_family = AF_INET;
   serverAddr.sin_port = htons(port);
-  serverAddr.sin_addr.s_addr = inet_addr(host);
+  serverAddr.sin_addr.s_addr = taosInetAddr(host);
   
   memset(sendbuf, 0, BUFFER_SIZE);
   memset(recvbuf, 0, BUFFER_SIZE);
diff --git a/src/kit/taosnetwork/server.c b/src/kit/taosnetwork/server.c
index 1c3bc6fa098d793c2c7d1c355c524c755301b57b..a2bb2b2b65b5425d0cd78b0902917158a9275150 100644
--- a/src/kit/taosnetwork/server.c
+++ b/src/kit/taosnetwork/server.c
@@ -128,7 +128,7 @@ static void *bindTcpPort(void *sarg) {
         if (errno == EINTR) {
           continue;
         } else {
-          printf("recv Client: %s pkg from TCP port: %d fail:%s.\n", inet_ntoa(clientAddr.sin_addr), port, strerror(errno));
+          printf("recv Client: %s pkg from TCP port: %d fail:%s.\n", taosInetNtoa(clientAddr.sin_addr), port, strerror(errno));
           close(serverSocket);
           return NULL;
         }
@@ -139,7 +139,7 @@ static void *bindTcpPort(void *sarg) {
       }      
     }
     
-    printf("recv Client: %s pkg from TCP port: %d, pkg len: %d\n", inet_ntoa(clientAddr.sin_addr), port, iDataNum);
+    printf("recv Client: %s pkg from TCP port: %d, pkg len: %d\n", taosInetNtoa(clientAddr.sin_addr), port, iDataNum);
     if (iDataNum > 0) {
       send(client, buffer, iDataNum, 0);
       break;
@@ -188,7 +188,7 @@ static void *bindUdpPort(void *sarg) {
       continue;
     }
     if (iDataNum > 0) {
-      printf("recv Client: %s pkg from UDP port: %d, pkg len: %d\n", inet_ntoa(clientAddr.sin_addr), port, iDataNum);
+      printf("recv Client: %s pkg from UDP port: %d, pkg len: %d\n", taosInetNtoa(clientAddr.sin_addr), port, iDataNum);
       //printf("Read msg from udp:%s ... %s\n", buffer, buffer+iDataNum-16);
 
       sendto(serverSocket, buffer, iDataNum, 0, (struct sockaddr *)&clientAddr, (int)sin_size);
diff --git a/src/os/inc/osSocket.h b/src/os/inc/osSocket.h
index 58f95c3c2da4394321f63db9171005f6f1547b1c..e5c3806d1b918ea09cb209cd0093e8199768e8cb 100644
--- a/src/os/inc/osSocket.h
+++ b/src/os/inc/osSocket.h
@@ -65,6 +65,10 @@ void taosBlockSIGPIPE();
 // TAOS_OS_FUNC_SOCKET_SETSOCKETOPT
 int taosSetSockOpt(SOCKET socketfd, int level, int optname, void *optval, int optlen);
 
+// TAOS_OS_FUNC_SOCKET_INET
+uint32_t taosInetAddr(char *ipAddr);
+const char *taosInetNtoa(IN_ADDR ipInt);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/src/os/inc/osWindows.h b/src/os/inc/osWindows.h
index 6665dcd9205f4faa3865d52ea0ec882937bdadca..994e3b991c699eaaac4978742a56130c79428040 100644
--- a/src/os/inc/osWindows.h
+++ b/src/os/inc/osWindows.h
@@ -164,9 +164,25 @@ int        gettimeofday(struct timeval *ptv, void *pTimeZone);
 #define MSG_NOSIGNAL             0
 #define SO_NO_CHECK              0x1234
 #define SOL_TCP                  0x1234
-#define TCP_KEEPCNT              0x1234
-#define TCP_KEEPIDLE             0x1234
-#define TCP_KEEPINTVL            0x1234
+
+#ifndef TCP_KEEPCNT
+  #define TCP_KEEPCNT              0x1234
+#endif
+
+#ifndef TCP_KEEPIDLE
+  #define TCP_KEEPIDLE             0x1234
+#endif
+
+#ifndef TCP_KEEPINTVL
+  #define TCP_KEEPINTVL            0x1234
+#endif
+
+#ifdef _MSC_VER
+#if _MSC_VER >= 1900
+  #define TAOS_OS_FUNC_SOCKET_INET
+#endif
+#endif
+
 #define SHUT_RDWR                SD_BOTH
 #define SHUT_RD                  SD_RECEIVE
 #define SHUT_WR                  SD_SEND
diff --git a/src/os/src/detail/osSocket.c b/src/os/src/detail/osSocket.c
index c8ad6a5acccc81fc08ebf1b9e542817914949452..bcacd8575ae8b3680ff1ce0073419c74264e7eaa 100644
--- a/src/os/src/detail/osSocket.c
+++ b/src/os/src/detail/osSocket.c
@@ -57,4 +57,16 @@ int taosSetSockOpt(SOCKET socketfd, int level, int optname, void *optval, int op
   return setsockopt(socketfd, level, optname, optval, (socklen_t)optlen);
 }
 
+#endif
+
+#ifndef TAOS_OS_FUNC_SOCKET_INET
+
+uint32_t taosInetAddr(char *ipAddr) {
+  return inet_addr(ipAddr);
+}
+
+const char *taosInetNtoa(IN_ADDR ipInt) {
+  return inet_ntoa(ipInt);
+}
+
 #endif
\ No newline at end of file
diff --git a/src/os/src/detail/osTime.c b/src/os/src/detail/osTime.c
index ced1643d2b5eae25f64aa88aa7fe1720508c834b..57634e468a87c9e482794fe1937a108d646cfaa1 100644
--- a/src/os/src/detail/osTime.c
+++ b/src/os/src/detail/osTime.c
@@ -61,8 +61,15 @@ int64_t user_mktime64(const unsigned int year0, const unsigned int mon0,
   res  = res*24;
   res  = ((res + hour) * 60 + min) * 60 + sec;
 
+#ifdef _MSC_VER
+#if _MSC_VER >= 1900
+  int64_t timezone = _timezone;
+#endif
+#endif
+
   return (res + timezone);
 }
+
 // ==== mktime() kernel code =================//
 static int64_t m_deltaUtc = 0;
 void deltaToUtcInitOnce() {  
diff --git a/src/os/src/windows/w64Socket.c b/src/os/src/windows/w64Socket.c
index dd8961da4048f499bf339147506c767f7ead60e2..6514c2f851e2a0c35ac78905cff2bfa9bb9d571c 100644
--- a/src/os/src/windows/w64Socket.c
+++ b/src/os/src/windows/w64Socket.c
@@ -62,4 +62,24 @@ int taosSetSockOpt(SOCKET socketfd, int level, int optname, void *optval, int op
   }
 
   return setsockopt(socketfd, level, optname, optval, optlen);
-}
\ No newline at end of file
+}
+
+#ifdef TAOS_OS_FUNC_SOCKET_INET
+
+uint32_t taosInetAddr(char *ipAddr) {
+  uint32_t value;
+  int ret = inet_pton(AF_INET, ipAddr, &value);
+  if (ret <= 0) {
+    return INADDR_NONE;
+  } else {
+    return value;
+  }
+}
+
+const char *taosInetNtoa(IN_ADDR ipInt) {
+  // not thread safe, only for debug usage while print log
+  static char tmpDstStr[16];
+  return inet_ntop(AF_INET, &ipInt, tmpDstStr, INET6_ADDRSTRLEN);
+}
+
+#endif
\ No newline at end of file
diff --git a/src/plugins/http/src/httpServer.c b/src/plugins/http/src/httpServer.c
index 8ee92be31c004843a9c03342bf20d99dd02118ff..21949e93af1d9a99d6b19be04ee11a73ff05ed70 100644
--- a/src/plugins/http/src/httpServer.c
+++ b/src/plugins/http/src/httpServer.c
@@ -302,7 +302,7 @@ static void *httpAcceptHttpConnection(void *arg) {
 #if 0
     if (totalFds > tsHttpCacheSessions * 100) {
       httpError("fd:%d, ip:%s:%u, totalFds:%d larger than httpCacheSessions:%d*100, refuse connection", connFd,
-                inet_ntoa(clientAddr.sin_addr), htons(clientAddr.sin_port), totalFds, tsHttpCacheSessions);
+                taosInetNtoa(clientAddr.sin_addr), htons(clientAddr.sin_port), totalFds, tsHttpCacheSessions);
       taosCloseSocket(connFd);
       continue;
     }
@@ -316,14 +316,14 @@ static void *httpAcceptHttpConnection(void *arg) {
 
     pContext = httpCreateContext(connFd);
     if (pContext == NULL) {
-      httpError("fd:%d, ip:%s:%u, no enough resource to allocate http context", connFd, inet_ntoa(clientAddr.sin_addr),
+      httpError("fd:%d, ip:%s:%u, no enough resource to allocate http context", connFd, taosInetNtoa(clientAddr.sin_addr),
                 htons(clientAddr.sin_port));
       taosCloseSocket(connFd);
       continue;
     }
 
     pContext->pThread = pThread;
-    sprintf(pContext->ipstr, "%s:%u", inet_ntoa(clientAddr.sin_addr), htons(clientAddr.sin_port));
+    sprintf(pContext->ipstr, "%s:%u", taosInetAddr(clientAddr.sin_addr), htons(clientAddr.sin_port));
     
     struct epoll_event event;
     event.events = EPOLLIN | EPOLLPRI | EPOLLWAKEUP | EPOLLERR | EPOLLHUP | EPOLLRDHUP;
diff --git a/src/rpc/src/rpcTcp.c b/src/rpc/src/rpcTcp.c
index 9da11831e56b4098d7a7856e3eb9744cf77ad23b..3475e0f317fcb2e083dbc3a8277b545459e48eee 100644
--- a/src/rpc/src/rpcTcp.c
+++ b/src/rpc/src/rpcTcp.c
@@ -254,11 +254,11 @@ static void *taosAcceptTcpConnection(void *arg) {
       pFdObj->ip = caddr.sin_addr.s_addr;
       pFdObj->port = htons(caddr.sin_port);
       tDebug("%s new TCP connection from %s:%hu, fd:%d FD:%p numOfFds:%d", pServerObj->label, 
-              inet_ntoa(caddr.sin_addr), pFdObj->port, connFd, pFdObj, pThreadObj->numOfFds);
+              taosInetNtoa(caddr.sin_addr), pFdObj->port, connFd, pFdObj, pThreadObj->numOfFds);
     } else {
       taosCloseSocket(connFd);
       tError("%s failed to malloc FdObj(%s) for connection from:%s:%hu", pServerObj->label, strerror(errno),
-             inet_ntoa(caddr.sin_addr), htons(caddr.sin_port));
+             taosInetNtoa(caddr.sin_addr), htons(caddr.sin_port));
     }  
 
     // pick up next thread for next connection
diff --git a/src/util/src/tconfig.c b/src/util/src/tconfig.c
index ccf4ea7317ed0e32b0259386e877c2b3ece5962e..704af2017e4acae1992b645fe6c60ba3157e5bcc 100644
--- a/src/util/src/tconfig.c
+++ b/src/util/src/tconfig.c
@@ -133,7 +133,7 @@ static void taosReadDirectoryConfig(SGlobalCfg *cfg, char *input_value) {
 }
 
 static void taosReadIpStrConfig(SGlobalCfg *cfg, char *input_value) {
-  uint32_t value = inet_addr(input_value);
+  uint32_t value = taosInetAddr(input_value);
   char *   option = (char *)cfg->ptr;
   if (value == INADDR_NONE) {
     uError("config option:%s, input value:%s, is not a valid ip address, use default value:%s",