diff --git a/Dockerfile b/Dockerfile
index 2271653..8e8ffdb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,6 +6,8 @@ LABEL 'com.github.actions.description'='supports docker-compose and Docker Swarm
 LABEL 'com.github.actions.icon'='send'
 LABEL 'com.github.actions.color'='green'
 
+RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.ustc.edu.cn/g' /etc/apk/repositories
+
 RUN apk --no-cache add openssh-client socat 
 
 COPY docker-entrypoint.sh /docker-entrypoint.sh
diff --git a/docker-entrypoint.sh b/docker-entrypoint.sh
index 0949107..5d671d8 100755
--- a/docker-entrypoint.sh
+++ b/docker-entrypoint.sh
@@ -77,6 +77,8 @@ if ! [ -z "${INPUT_SSH_PROXY_CMD+x}" ]; then
 fi
 echo >> ~/.ssh/config
 
+cat ~/.ssh/config
+
 echo "docker -v"
 echo `docker -v`
 echo "docker-compose -v"