解决上传大于4m报701 (#338)

Author: winddies

package.json

@@ -1,7 +1,7 @@
 {
   "name": "qiniu-js",
   "jsName": "qiniu",
-  "version": "2.1.0",
+  "version": "2.1.1",
   "private": false,
   "description": "Javascript SDK for Qiniu Resource (Cloud) Storage AP",
   "main": "dist/qiniu.min.js",

src/upload.js

@@ -193,7 +193,7 @@ export class UploadManager {
       }).then(response => {
         this.ctxList[index] = {
           time: new Date().getTime(),
-          ctx: response.ctx
+          ctx: response.data.ctx
         };
       });
     });