导航返回键改用Taro api

Tevin

2021-01-06 9b5d2b2994faf3db15fbda99c4390b4a505fd506

 bases/Fetcher.js

@@ -30,6 +30,7 @@
            'Content-Type': 'application/x-www-form-urlencoded;charset=UTF-8',
            'Ax-Rq-Type': 'separation',
        },
        credentials: 'same-origin',
        dataType: 'json',
        timeout: 30 * 1000,
    };