diff --git a/install.sh b/install.sh
index ba2dd7b..5a9fcda 100644
--- a/install.sh
+++ b/install.sh
@@ -2293,6 +2293,44 @@ build_upload_tool() {
 # Nginx配置 - 分步骤执行
 ################################################################################
 
+# 安全重启/重载Nginx（带回退）
+restart_nginx_safe() {
+    print_info "尝试重启/重载 Nginx..."
+
+    # 如果有systemd并存在nginx服务，优先使用
+    if command -v systemctl &> /dev/null && systemctl list-unit-files | grep -q "^nginx.service"; then
+        if systemctl restart nginx 2>/dev/null; then
+            print_success "已通过 systemctl 重启 Nginx"
+            return 0
+        else
+            print_warning "systemctl 重启失败，尝试使用 nginx 命令重载..."
+        fi
+    fi
+
+    # 直接使用nginx命令
+    if command -v nginx &> /dev/null; then
+        if ! nginx -t 2>/dev/null; then
+            print_error "nginx -t 配置测试失败，请检查配置"
+            nginx -t 2>&1 || true
+            return 1
+        fi
+
+        if nginx -s reload 2>/dev/null; then
+            print_success "已使用 nginx -s reload 重载配置"
+            return 0
+        fi
+
+        # reload失败，尝试直接启动
+        if nginx 2>/dev/null; then
+            print_success "已直接启动 Nginx"
+            return 0
+        fi
+    fi
+
+    print_error "未能成功启动/重载 Nginx，请手动检查（端口占用/安装状态）"
+    return 1
+}
+
 # 步骤1: 先配置HTTP Nginx（为SSL证书验证做准备）
 configure_nginx_http_first() {
     print_step "配置基础HTTP Nginx（用于SSL证书验证）..."
@@ -2466,8 +2504,8 @@ EOF
             systemctl reload nginx 2>/dev/null && print_info "已使用systemctl重载配置" || true
         fi
     else
-        # 标准Nginx：重启
-        systemctl restart nginx
+        # 标准Nginx：重启（带回退）
+        restart_nginx_safe || return 1
     fi
 
 
@@ -2485,7 +2523,12 @@ EOF
         fi
     else
         # 标准Nginx：使用systemctl检查
-        if ! systemctl is-active --quiet nginx; then
+        if command -v systemctl &> /dev/null && systemctl list-unit-files | grep -q "^nginx.service"; then
+            if ! systemctl is-active --quiet nginx; then
+                print_error "Nginx启动失败"
+                return 1
+            fi
+        elif ! pgrep -x nginx > /dev/null; then
             print_error "Nginx启动失败"
             return 1
         fi
@@ -2553,8 +2596,8 @@ configure_nginx_final() {
             systemctl reload nginx 2>/dev/null && print_info "已使用systemctl重载配置" || true
         fi
     else
-        # 标准Nginx：重载
-        systemctl reload nginx
+        # 标准Nginx：重载（带回退）
+        restart_nginx_safe || return 1
     fi
 
 
@@ -2582,7 +2625,7 @@ configure_nginx() {
     nginx -t
 
     # 重启nginx
-    systemctl restart nginx
+    restart_nginx_safe || return 1
 
     print_success "Nginx配置完成"
     echo ""