diff --git a/Dockerfile b/Dockerfile
index 17fae20..eda454c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,7 @@
 FROM jmal/nginx-drawio:latest
 
+RUN apk add --no-cache gettext
+
 COPY nginx/nginx.conf.no_office.template /etc/nginx/nginx.conf.no_office.template
 COPY nginx/nginx.conf.template /etc/nginx/nginx.conf.template
 
diff --git a/docker-entrypoint.sh b/docker-entrypoint.sh
index 3b21c93..1fc862b 100644
--- a/docker-entrypoint.sh
+++ b/docker-entrypoint.sh
@@ -1,19 +1,15 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 
-# 使用 getent 检查是否可以解析 office 容器的 IP
+# ... 其余内容保持不变 ...
 if getent hosts office &> /dev/null; then
-    # 使用包含 office 的 Nginx 配置
     cp /etc/nginx/nginx.conf.template /etc/nginx/nginx.conf
 else
-    # 使用不包含 office 的 Nginx 配置
     cp /etc/nginx/nginx.conf.no_office.template /etc/nginx/nginx.conf
 fi
 
 envsubst '${API_URL} ${API_OFFICE_URL}' < /var/www/public/config.js.template > /var/www/public/config.js
 
-# 循环检查，直到 jmalcloud 主机名可以被成功解析
-# 使用 getent hosts 是比 ping 更可靠的方式，因为它直接查询名称服务
 while ! getent hosts jmalcloud > /dev/null 2>&1; do
   echo "jmalcloud is not yet resolvable, waiting 2 seconds..."
   sleep 2