diff --git a/Dockerfile b/Dockerfile
index 9f563f0..aae984b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -17,8 +17,7 @@ RUN curl -sSO https://download.bt.cn/install/install_panel.sh \
     && rm -rf /www/server/data/* \
     && echo "docker_bt_alpine" > /www/server/panel/data/o.pl \
     && echo '["memuA", "memuAsite", "memuAdatabase", "memuAcontrol", "memuAfiles", "memuAlogs", "memuAxterm", "memuAcrontab", "memuAsoft", "memuAconfig", "dologin", "memu_btwaf", "memuAssl"]' > /www/server/panel/config/show_menu.json \
-    && apt clean \
-    && rm -rf /var/lib/apt/lists/* \
+    && apk cache clean \
     && chmod +x /bt.sh \
     && chmod +x /init_mysql.sh