diff --git a/caddy/7.4/Dockerfile b/caddy/7.4/Dockerfile
index d7aabc1..00fff65 100644
--- a/caddy/7.4/Dockerfile
+++ b/caddy/7.4/Dockerfile
@@ -7,38 +7,34 @@ LABEL version="7.4" \
 
 WORKDIR /srv
 
-# 系统设置(设置时区)
-RUN rm -rf /etc/localtime \
-    && ln -s /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
-    && echo "Asia/Shanghai" /etc/timezone
-
 # 添加 Composer
 COPY --from=composer /usr/bin/composer /usr/bin/composer
 
-# 国内源
-RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories 
-
 # 添加 Caddy
 COPY --from=base /usr/bin/caddy /usr/bin/caddy
 COPY caddy/Caddyfile /etc/caddy/
 COPY --from=base /usr/share/caddy /usr/share/caddy
 COPY --from=base /etc/nsswitch.conf /etc/nsswitch.conf
-
-RUN apk add --no-cache ca-certificates mailcap \
-    && set -eux \
-	&& mkdir -p \
-		/config/caddy \
-		/data/caddy \
-		/etc/caddy \
-		/usr/share/caddy 
+ADD caddy/startup .
 
 # See https://caddyserver.com/docs/conventions#file-locations for details
 ENV XDG_CONFIG_HOME /config
 ENV XDG_DATA_HOME /data
 
+
+# 系统设置(设置时区)
+# 国内源 && 系统更新
+RUN rm -rf /etc/localtime \
+    && ln -s /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
+    && echo "Asia/Shanghai" /etc/timezone \
+    && sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories \
+    && apk update \
+    && apk upgrade \
+    && apk add --no-cache ca-certificates mailcap \
+    && chmod +x ./startup && pwd && ls -la
+
 EXPOSE 80
 
 # 入口
-ADD caddy/startup .
-RUN chmod +x ./startup && pwd && ls -la
+RUN 
 ENTRYPOINT ./startup
\ No newline at end of file