fix(url.js): 修复 url.js 里获取不到 state 返回的是 undefined 字符串为题

src/utils/url.js

@@ -9,5 +9,5 @@ export function getQueryString(name) {
       queryObj[key] = value
     })
   })
-  return decodeURIComponent(queryObj[name]) || null
+  return queryObj[name] || null
 }
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