diff --git a/c_cpp_wrapper/build_dll.bat b/c_cpp_wrapper/build_dll.bat
index b675feb..41fd9af 100644
--- a/c_cpp_wrapper/build_dll.bat
+++ b/c_cpp_wrapper/build_dll.bat
@@ -1,2 +1,5 @@
 go build -buildmode=c-shared  -trimpath -ldflags="-s -w"  -o openimsdk.dll  export.go constant.go protocol.go tools.go
 
+
+
+g++ -shared -fPIC -o openimsdkcc.dll openimsdkcc.cc openimsdk.dll
\ No newline at end of file