diff --git a/php7.4/dockerfile b/php7.4/dockerfile
index 04619e3..e1cdb57 100644
--- a/php7.4/dockerfile
+++ b/php7.4/dockerfile
@@ -41,4 +41,4 @@ RUN apk add shadow && usermod -u 1000 www-data && groupmod -g 1000 www-data
 # 修改 composer 为国内镜像
 RUN composer config -g repo.packagist composer https://mirrors.cloud.tencent.com/composer/
 
-WORKDIR /var/www
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+USER www-data
\ No newline at end of file