diff --git a/Dockerfile b/Dockerfile
index 2674965..c9ebbb1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,13 +1,14 @@
 #FROM php:7.2.34-fpm-alpine3.12
-FROM php:7.4.33-zts-alpine3.15
+#FROM php:7.4.33-zts-alpine3.15
+FROM 7.4.33-fpm-alpine3.16
 
 ENV COMPOSER_ALLOW_SUPERUSER=1 \
     COMPOSER_HOME=/composer \
     COMPOSER_MEMORY_LIMIT=-1
 
 # 使用阿里云 Alpine 3.12 存档源
-RUN echo "https://mirrors.aliyun.com/alpine/v3.15/main" > /etc/apk/repositories \
-    && echo "https://mirrors.aliyun.com/alpine/v3.15/community" >> /etc/apk/repositories
+RUN echo "https://mirrors.aliyun.com/alpine/v3.16/main" > /etc/apk/repositories \
+    && echo "https://mirrors.aliyun.com/alpine/v3.16/community" >> /etc/apk/repositories
 
 # 安装依赖 + 常用扩展
 RUN apk add --no-cache \