diff --git a/start.sh b/start.sh
index c920d68..65521b1 100755
--- a/start.sh
+++ b/start.sh
@@ -143,7 +143,7 @@ run_deploy_questions() {
         if [ -n "$DEPLOY_HTTPS_INPUT" ]; then
             DEPLOY_HTTPS=$DEPLOY_HTTPS_INPUT
         else
-            read -r -p "3.1 是否启用 HTTPS？[y/N]: " https_choice
+            read -r -p "3.1 是否签名 HTTPS 证书？原来已经有 HTTPS 证书这里选择 N，第一次部署或者原来没有证书选 Y [y/N]: " https_choice
             DEPLOY_HTTPS=false
             if [[ "$https_choice" =~ ^[yY] ]]; then
                 DEPLOY_HTTPS=true
@@ -195,7 +195,13 @@ setup_env_files() {
         # 7. Nginx 配置（域名模式）
         PROXY_CONF="${DEPLOY_DOMAIN}.conf"
         if [ ! -f "$PROXY_CONF" ]; then
-            sed "s/51easyai.com/${DEPLOY_DOMAIN}/g" easyai-proxy.conf.sample > "$PROXY_CONF"
+            local proxy_template="easyai-proxy.conf.sample"
+            if [ ! -f "$proxy_template" ]; then
+                echo "❌ 未找到 Nginx 配置模板: easyai-proxy.conf.sample"
+                echo "   请确认仓库文件完整后重试"
+                exit 1
+            fi
+            sed "s/51easyai.com/${DEPLOY_DOMAIN}/g" "$proxy_template" > "$PROXY_CONF"
             echo "   ✓ Nginx 配置已生成: $PROXY_CONF"
         fi
     fi