encode refer

@@ -11,7 +11,7 @@ import jsonp from './jsonp';
 const miniAppEntrance = '/pages/common/webback';
 
 let _getMiniappLoginUrl = function(url) {
-    let h5Url = `http://m.yohobuy.com/signin.html?openby:yohobuy={"action":"go.miniapp_login","params":{"h5back":"${location.href}"}}`;
+    let h5Url = `http://m.yohobuy.com/signin.html?openby:yohobuy={"action":"go.miniapp_login","params":{"h5back":"${encodeURIComponent(location.href)}"}}`;
 
     return `${miniAppEntrance}?url=${encodeURIComponent(h5Url)}`
 };