fix(文章详情)：生成海报分享，修复用户名@符号丢失

@@ -89,7 +89,7 @@ export default {
       const share = getDetailShareData(this.data, this.$yoho.appVersion);
 
       keys(this.data.atUserInfo).forEach(k => {
-        share.desc = share.desc.replace(new RegExp(`@${k}#`, 'gm'), `${this.data.atUserInfo[k]}`);
+        share.desc = share.desc.replace(new RegExp(`${k}#`, 'gm'), `${this.data.atUserInfo[k]}`);
       });
       this.$yoho.share(share);
     },