diff --git a/miniapp/utils/api.js b/miniapp/utils/api.js
index a1adc82..4bf1a61 100644
--- a/miniapp/utils/api.js
+++ b/miniapp/utils/api.js
@@ -7,6 +7,14 @@ function setApiBaseUrl(value) {
   apiBaseUrl = String(value || '').replace(/\/$/, '');
 }
 
+function getMiniProgramAppId() {
+  try {
+    return wx.getAccountInfoSync?.()?.miniProgram?.appId || '';
+  } catch {
+    return '';
+  }
+}
+
 function getStoredSession() {
   const session = wx.getStorageSync(SESSION_KEY);
   if (session && typeof session === 'object') {
@@ -70,7 +78,9 @@ function request(path, options = {}) {
         const message =
           res.data?.message ||
           res.data?.error?.message ||
-          `请求失败 (${status || 'network'})`;
+          (status === 405
+            ? `接口不支持当前请求方法，请检查 API_BASE_URL 是否指向 Portal 服务：${url}`
+            : `请求失败 (${status || 'network'})`);
         const error = new Error(message);
         error.status = status;
         error.body = res.data;
@@ -123,6 +133,10 @@ function wxLogin() {
 }
 
 async function loginWithWechatCode(loginPath) {
+  const appId = getMiniProgramAppId();
+  if (!appId || appId === 'touristappid') {
+    throw new Error('当前是游客模式，微信一键登录需要在 project.config.json 配置真实小程序 AppID。');
+  }
   const code = await wxLogin();
   const result = await portalRequest(loginPath, {
     method: 'POST',
diff --git a/miniapp/utils/config.js b/miniapp/utils/config.js
index 061f535..c0d7032 100644
--- a/miniapp/utils/config.js
+++ b/miniapp/utils/config.js
@@ -1,5 +1,5 @@
 module.exports = {
-  API_BASE_URL: 'https://h5.tkmind.cn',
+  API_BASE_URL: 'https://m.tkmind.cn',
   MINIAPP_LOGIN_PATH: '/auth/wechat-miniapp/login',
   SELECTED_SESSION_KEY: 'tkmind_selected_session_id',
   AGENT_RUN_POLL_MS: 1200,