导航返回键改用Taro api

Tevin

2021-01-06 9b5d2b2994faf3db15fbda99c4390b4a505fd506

 forms/select/cSelect.scss

@@ -20,4 +20,7 @@
            color: #ccc;
        }
    }
    .at-input__icon {
        display: none;
    }
}