diff --git a/php7.4/dockerfile b/php7.4/dockerfile
index afad39c..3a94cc6 100644
--- a/php7.4/dockerfile
+++ b/php7.4/dockerfile
@@ -1,6 +1,6 @@
 FROM php:7.4-fpm
 
-RUN sed -i s@/archive.ubuntu.com/@/mirrors.aliyun.com/@g /etc/apt/sources.list
+RUN sed -i "s@http://deb.debian.org@http://mirrors.aliyun.com@g" /etc/apt/sources.list
 
 RUN apt-get update && apt-get install -y \
             zip \