diff --git a/docker/caddy/Dockerfile b/docker/caddy/Dockerfile
index ee0417c..b5a2cc0 100644
--- a/docker/caddy/Dockerfile
+++ b/docker/caddy/Dockerfile
@@ -37,4 +37,4 @@ EXPOSE 443
 EXPOSE 2015
 
 ENV TZ=Asia/Shanghai
-CMD [ "/usr/bin/caddy", "--config", "/etc/caddy/Caddyfile" ]
+CMD [ "/usr/bin/caddy", "-conf", "/etc/caddy/Caddyfile" ]
diff --git a/docker/caddy/Dockerfile.architecture b/docker/caddy/Dockerfile.architecture
index d27c34b..4d1d8ef 100644
--- a/docker/caddy/Dockerfile.architecture
+++ b/docker/caddy/Dockerfile.architecture
@@ -38,4 +38,4 @@ EXPOSE 443
 EXPOSE 2015
 
 ENV TZ=Asia/Shanghai
-CMD [ "/usr/bin/caddy", "--config", "/etc/caddy/Caddyfile" ]
+CMD [ "/usr/bin/caddy", "-conf", "/etc/caddy/Caddyfile" ]