diff --git a/components/upload/__tests__/upload.test.js b/components/upload/__tests__/upload.test.js
index 448466f0fa..3fc395b81a 100644
--- a/components/upload/__tests__/upload.test.js
+++ b/components/upload/__tests__/upload.test.js
@@ -2,7 +2,13 @@
 import React from 'react';
 import { mount } from 'enzyme';
 import Upload from '..';
-import { fileToObject } from '../utils';
+import {
+  T,
+  fileToObject,
+  genPercentAdd,
+  getFileItem,
+  removeFileItem,
+} from '../utils';
 import { setup, teardown } from './mock';
 
 describe('Upload', () => {
@@ -177,6 +183,12 @@ describe('Upload', () => {
   });
 
   describe('util', () => {
+    // https://github.com/react-component/upload/issues/36
+    it('should T() return true', () => {
+      const res = T();
+      expect(res).toBe(true);
+    });
+
     it('should be able to copy file instance', () => {
       const file = new File([], 'aaa.zip');
       const copiedFile = fileToObject(file);
@@ -184,6 +196,60 @@ describe('Upload', () => {
         expect(key in copiedFile).toBe(true);
       });
     });
+
+    it('should be able to progress from 0.1 ', () => {
+      // 0.1 -> 0.98
+      const getPercent = genPercentAdd();
+      let curPercent = 0;
+      curPercent = getPercent(curPercent);
+      expect(curPercent).toBe(0.1);
+    });
+
+    it('should be able to progress to 0.98 ', () => {
+      // 0.1 -> 0.98
+      const getPercent = genPercentAdd();
+      let curPercent = 0;
+      for (let i = 0; i < 500; i += 1) {
+        curPercent = getPercent(curPercent);
+      }
+      expect(parseFloat(curPercent.toFixed(2))).toBe(0.98);
+    });
+
+    it('should be able to get fileItem', () => {
+      const file = { uid: '-1', name: 'item.jpg' };
+      const fileList = [{
+        uid: '-1',
+        name: 'item.jpg',
+      }];
+      const targetItem = getFileItem(file, fileList);
+      expect(targetItem).toBe(fileList[0]);
+    });
+
+    it('should be able to remove fileItem', () => {
+      const file = { uid: '-1', name: 'item.jpg' };
+      const fileList = [{
+        uid: '-1',
+        name: 'item.jpg',
+      }, {
+        uid: '-2',
+        name: 'item2.jpg',
+      }];
+      const targetItem = removeFileItem(file, fileList);
+      expect(targetItem).toEqual(fileList.slice(1));
+    });
+
+    it('should not be able to remove fileItem', () => {
+      const file = { uid: '-3', name: 'item.jpg' };
+      const fileList = [{
+        uid: '-1',
+        name: 'item.jpg',
+      }, {
+        uid: '-2',
+        name: 'item2.jpg',
+      }];
+      const targetItem = removeFileItem(file, fileList);
+      expect(targetItem).toBe(null);
+    });
   });
 
   it('should support linkProps as object', () => {