diff --git a/server/nginx/zhuyuan-sovereign.conf b/server/nginx/zhuyuan-sovereign.conf
index 6b21ee1d..e77bbbbf 100644
--- a/server/nginx/zhuyuan-sovereign.conf
+++ b/server/nginx/zhuyuan-sovereign.conf
@@ -156,6 +156,7 @@ server {
     # ─── 光湖语言世界V3 · 带宽授权桥接 (大脑服务器反向代理) ───
     # QQ邮箱拦截大脑服务器域名链接，此桥接通过guanghulab.online域名
     # 将V3授权/订阅请求透传到大脑服务器的V3订阅服务 (端口3805)
+    # 协议: HTTP (内网通信，大脑服务器Nginx监听80端口default_server)
     # 部署时由 workflow 自动将 ZY_BRAIN_HOST_PLACEHOLDER 替换为实际IP
     location /api/proxy-v3/ {
         proxy_pass http://ZY_BRAIN_HOST_PLACEHOLDER/api/proxy-v3/;
diff --git a/server/proxy/service/subscription-server-v3.js b/server/proxy/service/subscription-server-v3.js
index aacf72ae..26a0ff2d 100644
--- a/server/proxy/service/subscription-server-v3.js
+++ b/server/proxy/service/subscription-server-v3.js
@@ -1088,6 +1088,8 @@ mode: direct
 </div>
 
 <script>
+var RESEND_COOLDOWN_MS = 60000; // 验证码重发冷却时间(毫秒)
+
 async function requestCode() {
   const btn = document.getElementById('requestCodeBtn');
   const codeResult = document.getElementById('codeResult');
@@ -1109,7 +1111,7 @@ async function requestCode() {
       codeResult.className = 'result success';
       codeResult.textContent = '✅ ' + data.message;
       btn.textContent = '✅ 验证码已发送';
-      setTimeout(() => { btn.disabled = false; btn.textContent = '📧 重新发送验证码'; }, 60000);
+      setTimeout(() => { btn.disabled = false; btn.textContent = '📧 重新发送验证码'; }, RESEND_COOLDOWN_MS);
     } else {
       codeResult.className = 'result error';
       codeResult.textContent = '❌ ' + data.message;