修改模块

datav/server.js

@@ -16,6 +16,30 @@ app.use((req, res, next) => {
   next();
 });
 
+// 专用代理：牛只行情数据 (ad.yunmainiu.com)
+// 必须放在通用的 /api 代理之前
+app.use('/api/cattle-market-data', createProxyMiddleware({
+  target: 'https://ad.yunmainiu.com',
+  changeOrigin: true,
+  secure: false,
+  pathRewrite: {
+    '^/': '/api/cattle-data',
+  },
+  onProxyReq: (proxyReq, req, res) => {
+    console.log(`[牛只行情代理] ${req.method} ${req.url} -> https://ad.yunmainiu.com/api/cattle-data`);
+    // 伪装请求头，防止被反爬或校验
+    proxyReq.setHeader('Host', 'ad.yunmainiu.com');
+    proxyReq.setHeader('Referer', 'https://ad.yunmainiu.com/');
+    proxyReq.setHeader('User-Agent', 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36');
+  },
+  onProxyRes: (proxyRes, req, res) => {
+    console.log(`[牛只行情代理响应] 状态码: ${proxyRes.statusCode}`);
+    // 允许跨域：覆盖目标服务器的 CORS 设置
+    delete proxyRes.headers['access-control-allow-origin'];
+    proxyRes.headers['Access-Control-Allow-Origin'] = '*';
+  }
+}));
+
 // API 代理：必须在静态文件服务之前，将 /api 请求代理到 cattletrack.aiotagro.com
 app.use('/api', createProxyMiddleware({
   target: 'https://cattletrack.aiotagro.com',