diff --git a/CMakeLists.txt b/CMakeLists.txt
index 459b8d2..826f83f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,7 +7,7 @@ set(CMAKE_VERBOSE_MAKEFILE off)
 # version
 set(TARS_VERSION "1.1.0")
 set(PARSER_VERSION "${TARS_VERSION}")
-set(GENERATOR_VERSION "20190510")
+set(GENERATOR_VERSION "20190516")
 
 # namespace
 set(IDL_NAMESPACE Tars)
diff --git a/build/tars2node b/build/tars2node
index dfa0af0..be279f2 100755
Binary files a/build/tars2node and b/build/tars2node differ
diff --git a/src/file_util.cpp b/src/file_util.cpp
index ecddb92..4271b7f 100644
--- a/src/file_util.cpp
+++ b/src/file_util.cpp
@@ -19,11 +19,7 @@
 void CodeGenerator::makeUTF8File(const string& sFileName, const string& sFileContent) 
 {
     try {
-        char header[3] = {(char)(0xef), (char)(0xbb), (char)(0xbf)};
-
-        string sData(header, 3);
-
-        sData += TC_Encoder::gbk2utf8(sFileContent);
+        string sData = TC_Encoder::gbk2utf8(sFileContent);
 
         TC_File::save2file(sFileName, sData.c_str());
     } catch (...) {