fixed:util

@@ -44,7 +44,6 @@ import ResourceNewProductList from 'components/resources/resource-new-product-li
 import ResourceTfGoodsList from 'components/resources/resource-tfgoods-list';
 import {SearchSlider} from 'components/search';
 import {mapState} from 'vuex';
-import util from 'common/util';
 import {HomeSlider} from './components';
 import {REPORT_YAS} from 'store/yoho/types';
 import ResourceBox from 'components/resources/resource-box';
@@ -124,8 +123,17 @@ export default {
     },
     mounted() {
         if (this.$yoho.isAndroid) {
-            if (util.miniVersion('6.5.2')) {
-                this.showBack = true;
+            let appVersion = this.$cookie.get('app_version');
+
+            if (appVersion && typeof appVersion === 'string') {
+                let versions = appVersion.split('.');
+
+                if (versions.length === 3 &&
+                    (+versions[0] > 6 ||
+                    (+versions[0] === 6 && +versions[1] > 5) ||
+                    (+versions[0] === 6 && +versions[1] === 5 && +versions[2] > 1))) {
+                    this.showBack = true;
+                }
             }
         } else {
             this.showBack = true;