diff --git a/Dockerfile.local b/Dockerfile.local
index ed4e7e96..eed02b65 100644
--- a/Dockerfile.local
+++ b/Dockerfile.local
@@ -26,6 +26,9 @@ ADD . /app
 # set as non-interactive
 ENV DEBIAN_FRONTEND noninteractive
 
+# set tmp folder privillege
+RUN chmod -R /tmp
+
 # install packages
 RUN apt-get update \
 	&& apt-get install -y curl git net-tools iputils-ping ntp ntpdate python3 python3-pip \
@@ -36,7 +39,6 @@ RUN apt-get update \
 RUN pip install scrapy pymongo bs4 requests -i https://pypi.tuna.tsinghua.edu.cn/simple
 
 # copy backend files
-COPY --from=backend-build /go/src/app .
 COPY --from=backend-build /go/bin/crawlab /usr/local/bin
 
 # install nginx