fix: 修复评论接口

module/register_checktoken_v3.js

@@ -0,0 +1,37 @@
+// 易盾反作弊 Token 注册端点
+// 调用后获取实时 token 并存入共享存储，供后续带 checkToken 的请求使用
+//
+// GET  /register/checktoken        → 返回当前 token（尚无则自动获取）
+// POST /register/checktoken        → 强制刷新 token
+// GET  /register/checktoken?refresh=1 → 强制刷新
+//
+const { default: axios } = require('axios')
+const { APP_CONF } = require('../util/config.json')
+
+const URL = APP_CONF.dunDomainV3 + '/v3/b?pn=YD00000558929251'
+let _token = ''
+
+async function fetch() {
+  const res = await axios.get(URL, { timeout: 10000 })
+  const body = String(res.data)
+  const m = body.match(/null\(\[(\d+),\d+,\"([^\"]+)\"\]\)/)
+  if (m && m[1] === '200') return m[2]
+  throw new Error('易盾返回异常: ' + body.substring(0, 100))
+}
+
+// 端点处理
+module.exports = async (query) => {
+  const refresh = query.refresh === '1' || query.refresh === 'true'
+  let token = refresh ? null : _token
+  if (!token) {
+    token = await fetch()
+    _token = token
+  }
+  return {
+    status: 200,
+    body: { code: 200, token, registered: !!token },
+  }
+}
+
+// 给 request.js 读取用
+module.exports.getToken = () => _token