优化微信分享组件

pages/prehot.vue

@@ -152,7 +152,7 @@ export default {
     // 微信分享
     this.$picaWxShare({
       type: (process.env.NUXT_ENV_APP != 'prod') ? 15 : '',
-      authUrl: wxShare.shareUrl
+      authUrl: this.shareObj.shareUrl
     },(wx)=>{
       const title = this.shareObj.title1;
       const desc = this.shareObj.title2;