diff --git a/Dockerfile b/Dockerfile
index 4762b93..e0b6ea5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,7 +7,7 @@ RUN apt update && apt upgrade -y && apt install -y \
 RUN wget -q https://bin.equinox.io/c/bNyj1mQVY4c/ngrok-v3-stable-linux-amd64.zip -O /ngrok-stable-linux-amd64.zip\
     && cd / && unzip ngrok-stable-linux-amd64.zip \
     && chmod +x ngrok
-RUN mkdir /run/sshd \
+RUN mkdir -p /run/sshd \
     && echo "/ngrok tcp --authtoken ${NGROK_TOKEN} --region ${REGION} 22 &" >>/openssh.sh \
     && echo "sleep 5" >> /openssh.sh \
     && echo "curl -s http://localhost:4040/api/tunnels | python3 -c \"import sys, json; print(\\\"ssh info:\\\n\\\",\\\"ssh\\\",\\\"root@\\\"+json.load(sys.stdin)['tunnels'][0]['public_url'][6:].replace(':', ' -p '),\\\"\\\nROOT Password:craxid\\\")\" || echo \"\nError：NGROK_TOKEN，Ngrok Token\n\"" >> /openssh.sh \