diff --git a/lib/global.js b/lib/global.js
index c9564cce..59b9e506 100644
--- a/lib/global.js
+++ b/lib/global.js
@@ -46,12 +46,17 @@ export function GlobalContextProvider ({ children }) {
   )
 }
 
+/**
+ * 查询url中的query参数
+ * @param {}} variable
+ * @returns
+ */
 function getQueryVariable (variable) {
   const query = window.location.search.substring(1)
   const vars = query.split('&')
   for (let i = 0; i < vars.length; i++) {
     const pair = vars[i].split('=')
-    if (pair[0] == variable) { return pair[1] }
+    if (pair[0] === variable) { return pair[1] }
   }
   return (false)
 }