diff --git a/backend/Dockerfile b/backend/Dockerfile
index f888c5e..3f5d142 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -6,6 +6,8 @@ RUN apk add --no-cache tzdata && \
     echo "Asia/Shanghai" > /etc/timezone && \
     apk del tzdata
 
+RUN mkdir /app/downloads /app/dist
+
 COPY backend/build/app /app/app
 COPY backend/config.prod.toml /app/config.toml
 COPY frontend/admin/dist /app/dist/admin