diff --git a/Dockerfile b/Dockerfile
index 72bd4f9..6b62762 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -23,8 +23,7 @@ RUN pecl channel-update pecl.php.net && MAKEFLAGS="-j $(nproc)"  pecl install gr
     rm -rf /var/lib/{apt,dpkg,cache,log}/ && \
     wget https://mirrors.aliyun.com/composer/composer.phar -O /usr/bin/composer && \
     chmod +x /usr/bin/composer && \
-    composer config -g repo.packagist composer https://mirrors.aliyun.com/composer/
-
-RUN rm -rf /tmp/*
+    composer config -g repo.packagist composer https://mirrors.aliyun.com/composer/ && \
+    rm -rf /tmp/*
 
 COPY php.ini /etc/php/8.4/cli/conf.d/99-custom.ini