diff --git a/chatdesk-ui/components/utility/runtime-env-provider.tsx b/chatdesk-ui/components/utility/runtime-env-provider.tsx
index b8dc856..ad53b46 100644
--- a/chatdesk-ui/components/utility/runtime-env-provider.tsx
+++ b/chatdesk-ui/components/utility/runtime-env-provider.tsx
@@ -1,36 +1,49 @@
-// app/_runtime-env-provider.tsx
-import { headers } from "next/headers"
-import { useServerInsertedHTML } from "next/navigation"
+// app/_runtime-env-provider.tsx  ← 文件放 app 根，保证是 Server 组件
+import { headers } from "next/headers"           // ① 仅在服务器端可调用
+import { useServerInsertedHTML } from "next/navigation" // ② 往最终 HTML 插入标签
 import React from "react"
 
-export function RuntimeEnvProvider({
-  children,
-}: {
-  children: React.ReactNode
-}) {
-  /* 1. 协议 */
-  const h = headers()
+// ------------------- 带全链路调试日志的版本 -------------------
+export function RuntimeEnvProvider({ children }: { children: React.ReactNode }) {
+  /* ──────────────── 1. 解析协议 ──────────────── */
+  const h = headers()                                   // <-- Node 边界：读取当前请求头
+  console.log("[RuntimeEnv] Raw headers:", Object.fromEntries(h.entries()))
+
   const proto =
-    h.get("x-forwarded-proto") ??
-    (h.get("host")?.includes(":443") ? "https" : "http")
+    h.get("x-forwarded-proto") ??                       // 走 Nginx / 反代时最可靠
+    (h.get("host")?.includes(":443") ? "https" : "http")// 没有反代时根据端口猜
+  console.log("[RuntimeEnv] Resolved protocol:", proto)
 
-  /* 2. 主机（域名或 IP），剥离掉可能附带的端口 */
+  /* ──────────────── 2. 解析主机名 ──────────────── */
   const rawHost = h.get("x-forwarded-host") ?? h.get("host")!
-  const hostname = rawHost.split(",")[0].split(":")[0] // 去掉逗号和端口
+  console.log("[RuntimeEnv] rawHost   :", rawHost)
 
-  /* 3. 端口固定 8000 */
+  // 多层反代时 x-forwarded-host 可能是 "a.com, b.com"
+  // host 可能附带端口，须砍掉
+  const hostname = rawHost.split(",")[0].split(":")[0].trim()
+  console.log("[RuntimeEnv] hostname  :", hostname)
+
+  /* ──────────────── 3. 拼最终 URL (端口固定 8000) ──────────────── */
   const supabaseUrl = `${proto}://${hostname}:8000`
+  console.log("[RuntimeEnv] supabaseUrl to inject:", supabaseUrl)
 
-  /* 4. 注入行内脚本 */
-  useServerInsertedHTML(() => (
-    <script
-      dangerouslySetInnerHTML={{
-        __html: `window.RUNTIME_ENV={SUPABASE_URL:${JSON.stringify(
-          supabaseUrl,
-        )}};`,
-      }}
-    />
-  ))
+  /* ──────────────── 4. 把脚本塞进 HTML ──────────────── */
+  useServerInsertedHTML(() => {
+    // 这一段在 React 把 HTML flush 给客户端之前执行一次
+    console.log("[RuntimeEnv] <script> tag inserted into HTML")
 
-  return <>{children}</>
+    return (
+      <script
+        // 行内脚本：window.RUNTIME_ENV.SUPABASE_URL = "<url>"
+        dangerouslySetInnerHTML={{
+          __html: `window.RUNTIME_ENV = { SUPABASE_URL: ${JSON.stringify(
+            supabaseUrl,
+          )} };`,
+        }}
+      />
+    )
+  })
+
+  /* ──────────────── 5. 渲染子节点 ──────────────── */
+  return <>{children}</>          // Provider 本身不渲染 UI，只负责注入脚本
 }