Update app.js

@@ -103,7 +103,7 @@ async function handleEvent(event) {
       body: fs.readFileSync('./photo/1.png')
       };
       request.post(options, function (error, response, body) {
-        data=JSON.stringify(JSON.parse(body), null, '  ');
+        var data=body;
         console.log(data);
         var text='';
         while(data.indexOf('text\\')!=-1)