fix: fixed param2Obj.spec.js

tests/unit/utils/param2Obj.spec.js

-/**
- * @param {string} url
- * @returns {Object}
- */
-export function param2Obj(url) {
-  const search = decodeURIComponent(url.split('?')[1]).replace(/\+/g, ' ')
-  if (!search) {
-    return {}
-  }
-  const obj = {}
-  const searchArr = search.split('&')
-  searchArr.forEach(v => {
-    const index = v.indexOf('=')
-    if (index !== -1) {
-      const name = v.substring(0, index)
-      const val = v.substring(index + 1, v.length)
-      obj[name] = val
-    }
+import { param2Obj } from '@/utils/index.js'
+describe('Utils:param2Obj', () => {
+  const url = 'https://github.com/PanJiaChen/vue-element-admin?name=bill&age=29&sex=1&field=dGVzdA==&key=%E6%B5%8B%E8%AF%95'
+
+  it('param2Obj test', () => {
+    expect(param2Obj(url)).toEqual({
+      name: 'bill',
+      age: '29',
+      sex: '1',
+      field: window.btoa('test'),
+      key: '测试'
     })
-  return obj
-}
+  })
+})