update

main.js

@@ -11,8 +11,8 @@ app.get("/api/qr/:be", (req, res) => {
     try {
         console.log(`params:${req.params.be}`);
         const be = req.params.be;
-        const waMap = map.get(be);
-        if (waMap != null) {
+        const client = map.get(be);
+        if (client != null) {
             res.json({ status: '00', be: be });
             return;
         }