add mypic.jpg for rendering result page

@@ -21,6 +21,7 @@ var storage = multer.diskStorage({ //이 객체의 프로퍼티는 2개갖고
     },
     },
     filename: function (req, file, cb) {
     filename: function (req, file, cb) {
         cb(null, file.originalname);
         cb(null, file.originalname);
+        cb(null, 'mypic.jpg');
     }
     }
 });
 });
 var upload = multer({ storage: storage});
 var upload = multer({ storage: storage});