diff --git a/.docker/.build_dir/none.txt b/.docker/.build_dir/none.txt
deleted file mode 100644
index e69de29..0000000
diff --git a/.docker/build b/.docker/build
index 9ab1a2e..dc2a016 100644
--- a/.docker/build
+++ b/.docker/build
@@ -18,7 +18,8 @@ build_obfs(){
 	./autogen.sh && ./configure
 	make && make install
 }
-
+mkdir $ASSETS_DIR/.build_dir 
+BUILD_DIR = $ASSETS_DIR/.build_dir
 apk update
 build_ss_libev
 build_obfs