diff --git a/cmake/cmake.define b/cmake/cmake.define
index 2b4fe5c42fc41829c6af07f62b8cea1df848fa89..aeab39cab4e3ae3e651b7d13820a56b5661923fe 100644
--- a/cmake/cmake.define
+++ b/cmake/cmake.define
@@ -46,7 +46,7 @@ ENDIF ()
 
 IF (TD_WINDOWS)
     MESSAGE("${Yellow} set compiler flag for Windows! ${ColourReset}")
-    SET(COMMON_FLAGS "/W3 /D_WIN32 /vmg")
+    SET(COMMON_FLAGS "/W3 /D_WIN32")
 
     # IF (MSVC AND (MSVC_VERSION GREATER_EQUAL 1900))
     #  SET(COMMON_FLAGS "${COMMON_FLAGS} /Wv:18")
diff --git a/include/client/taos.h b/include/client/taos.h
index 9d8b5107bb74338c55c0c24b1abbbf7776af162e..6e209006681f2122a5a68ef890f9471adae61831 100644
--- a/include/client/taos.h
+++ b/include/client/taos.h
@@ -195,7 +195,7 @@ DLL_EXPORT void      taos_unsubscribe(TAOS_SUB *tsub, int keepProgress);
 #endif
 
 DLL_EXPORT int       taos_load_table_info(TAOS *taos, const char *tableNameList);
-DLL_EXPORT TAOS_RES *taos_schemaless_insert(TAOS *taos, char *lines[], int numLines, int protocol, int precision, bool dataFormat);
+DLL_EXPORT TAOS_RES *taos_schemaless_insert(TAOS *taos, char *lines[], int numLines, int protocol, int precision);
 
 /* --------------------------TMQ INTERFACE------------------------------- */
 
diff --git a/source/client/src/clientSml.c b/source/client/src/clientSml.c
index 85cd0661e3a02aa0a7322571209f92d17ae35dd6..5f9138bb43cbaebed05415488229531c054b115c 100644
--- a/source/client/src/clientSml.c
+++ b/source/client/src/clientSml.c
@@ -1724,13 +1724,13 @@ cleanup:
  *
  */
 
-TAOS_RES* taos_schemaless_insert(TAOS* taos, char* lines[], int numLines, int protocol, int precision, bool dataFormat) {
+TAOS_RES* taos_schemaless_insert(TAOS* taos, char* lines[], int numLines, int protocol, int precision) {
   SRequestObj* request = createRequest(taos, NULL, NULL, TSDB_SQL_INSERT);
   if(!request){
     return NULL;
   }
 
-  SSmlHandle* info = smlBuildSmlInfo(taos, request, protocol, precision, dataFormat);
+  SSmlHandle* info = smlBuildSmlInfo(taos, request, protocol, precision, false);
   if(!info){
     return (TAOS_RES*)request;
   }