fix(share): 调整分享展示逻辑

app/web/page/activity/component/BackTop/index.vue

@@ -23,6 +23,7 @@ import Bridge from '@qg/js-bridge';
 import { mapGetters } from 'vuex';
 import { isApp, isWxMp, isWechat, isH5Normal } from '@/service/utils.service';
 import api from '@/api/editor.api';
+import localStorage from '@/service/localStorage.service';
 import LaunchWeapp from './components/LaunchWeapp.vue';
 import LaunchApp from './components/LaunchApp.vue';
 const SHARE_CONFIG = {
@@ -50,7 +51,7 @@ export default {
       mpSchema: '',
       link: '',
       shareInfo: {},
-      showShareOverlay: isWechat || isH5Normal,
+      showShareOverlay: ((isWechat && !isWxMp) || isH5Normal) && !localStorage.get('vccChannel'),
       isWechat
     };
   },
@@ -62,7 +63,7 @@ export default {
     backTopList() {
       if (this.pageData.props && this.pageData.props.btAttachVal) {
         const { btAttachVal, showShare } = this.pageData.props;
-        showShare && btAttachVal.push(SHARE_CONFIG);
+        showShare && (isApp || isWxMp) && btAttachVal.push(SHARE_CONFIG);
         return btAttachVal;
       }
       return [];