解决bug

@@ -149,9 +149,14 @@ exports.uploadFile = function (req, res) {
                     formData: req.body
                 }, function (error, httpResponse, body) {
                     if (!error && httpResponse.statusCode == 200) {
-                        var json = JSON.parse(body);
-                        json.status = true;
-                        res.json(json);
+                        try{
+                            var json = JSON.parse(body);
+                            json.status = true;
+                            res.json(json);
+                            return;
+                        }catch(err){
+                            res.json({code:500,message:"上传失败"});
+                        }
                     } else {
                         res.json(errBackMsg);
                     }