diff --git a/c_wrapper/build_dll.bat b/c_wrapper/build_dll.bat
index 4d058e7..2ba475e 100644
--- a/c_wrapper/build_dll.bat
+++ b/c_wrapper/build_dll.bat
@@ -1 +1 @@
-go build -buildmode=c-shared -ldflags="-s -w"  -o c_wrapper.dll  export.go
\ No newline at end of file
+go build -buildmode=c-shared -ldflags="-s -w"  -o openim.dll  export.go
\ No newline at end of file
diff --git a/c_wrapper/build_run_test.bat b/c_wrapper/build_run_test.bat
index 73a826d..fac7523 100644
--- a/c_wrapper/build_run_test.bat
+++ b/c_wrapper/build_run_test.bat
@@ -1,2 +1,2 @@
-gcc -o test.exe -L. c_wrapper.dll test.c
+gcc -o test.exe -L. openim.dll test.c
 test.exe
\ No newline at end of file
diff --git a/c_wrapper/build_test.bat b/c_wrapper/build_test.bat
index dcab261..030977b 100644
--- a/c_wrapper/build_test.bat
+++ b/c_wrapper/build_test.bat
@@ -1 +1 @@
-gcc -o test.exe -L. c_wrapper.dll test.c
\ No newline at end of file
+gcc -o test.exe -L. openim.dll test.c
\ No newline at end of file