diff --git a/cmake/platform.inc b/cmake/platform.inc
index 11ab8f301de705341934f5c2db0e64d89d735e1b..71eee9d5072764edee739fb33bbd4fe4827611f0 100755
--- a/cmake/platform.inc
+++ b/cmake/platform.inc
@@ -68,8 +68,7 @@ ELSEIF (${CMAKE_SYSTEM_NAME} MATCHES "Windows")
     MESSAGE(STATUS "The current platform is Windows 64-bit")
   ELSE ()
     SET(TD_WINDOWS_32 TRUE)
-    MESSAGE(FATAL_ERROR "The current platform is Windows 32-bit, not supported yet")
-    EXIT ()
+    MESSAGE(STATUS "The current platform is Windows 32-bit")
   ENDIF ()
 ELSE()
   MESSAGE(FATAL_ERROR "The current platform is not Linux/Darwin/Windows, stop compile")
diff --git a/deps/cJson/src/cJSON.c b/deps/cJson/src/cJSON.c
index ecf0e05b42cf5a6f83e98d95f72b10dd5360714e..f0ef9f6fe1715336ed8d24d4998df5a8ba51b3af 100644
--- a/deps/cJson/src/cJSON.c
+++ b/deps/cJson/src/cJSON.c
@@ -359,12 +359,12 @@ static unsigned char* ensure(printbuffer * const p, size_t needed)
     }
 
     /* calculate new buffer size */
-    if (needed > (LLONG_MAX / 2))
+    if (needed > (LONG_MAX / 2))
     {
         /* overflow of int, use LLONG_MAX if possible */
-        if (needed <= LLONG_MAX)
+        if (needed <= LONG_MAX)
         {
-            newsize = LLONG_MAX;
+            newsize = LONG_MAX;
         }
         else
         {
diff --git a/src/os/inc/osSocket.h b/src/os/inc/osSocket.h
index ecc69ec3d3d06b35ab05d9f932819c127881a4b2..0ab3ff0fcafa43a404533f145a0bb1595bb29061 100644
--- a/src/os/inc/osSocket.h
+++ b/src/os/inc/osSocket.h
@@ -25,6 +25,7 @@ extern "C" {
   #define taosSendto(sockfd, buf, len, flags, dest_addr, addrlen) sendto(sockfd, buf, len, flags, dest_addr, addrlen)
   #define taosReadSocket(fd, buf, len) read(fd, buf, len)
   #define taosWriteSocket(fd, buf, len) write(fd, buf, len)
+  #define taosCloseSocketNoCheck(x) close(x)
   #define taosCloseSocket(x) \
     {                        \
       if (FD_VALID(x)) {     \
diff --git a/src/os/inc/osWindows.h b/src/os/inc/osWindows.h
index 994e3b991c699eaaac4978742a56130c79428040..348f50891e67d2ab8593d977fd1ab7b98b2ff5cb 100644
--- a/src/os/inc/osWindows.h
+++ b/src/os/inc/osWindows.h
@@ -90,6 +90,7 @@ extern "C" {
   #define taosSendto(sockfd, buf, len, flags, dest_addr, addrlen) sendto((SOCKET)sockfd, buf, len, flags, dest_addr, addrlen)
   #define taosWriteSocket(fd, buf, len) send((SOCKET)fd, buf, len, 0)
   #define taosReadSocket(fd, buf, len) recv((SOCKET)fd, buf, len, 0)
+  #define taosCloseSocketNoCheck(fd) closesocket((SOCKET)fd)
   #define taosCloseSocket(fd) closesocket((SOCKET)fd)
 typedef SOCKET eventfd_t; 
 #define eventfd(a, b) -1
diff --git a/src/util/src/tsocket.c b/src/util/src/tsocket.c
index 2de3490459308d84aaea47f31a1c38adf7075b84..f4778f50cee5597730254689edee4453adedf639 100644
--- a/src/util/src/tsocket.c
+++ b/src/util/src/tsocket.c
@@ -233,7 +233,7 @@ SOCKET taosOpenUdpSocket(uint32_t ip, uint16_t port) {
 
   if ((sockFd = (int)socket(AF_INET, SOCK_DGRAM, 0)) <= 2) {
     uError("failed to open udp socket: %d (%s)", errno, strerror(errno));
-    close(sockFd);
+    taosCloseSocketNoCheck(sockFd);
     return -1;
   }
 
@@ -268,7 +268,7 @@ SOCKET taosOpenTcpClientSocket(uint32_t destIp, uint16_t destPort, uint32_t clie
 
   if (sockFd <= 2) {
     uError("failed to open the socket: %d (%s)", errno, strerror(errno));
-    close(sockFd);
+    taosCloseSocketNoCheck(sockFd);
     return -1;
   }
 
@@ -375,7 +375,7 @@ SOCKET taosOpenTcpServerSocket(uint32_t ip, uint16_t port) {
 
   if ((sockFd = (int)socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)) <= 2) {
     uError("failed to open TCP socket: %d (%s)", errno, strerror(errno));
-    close(sockFd);
+    taosCloseSocketNoCheck(sockFd);
     return -1;
   }