fix

@@ -128,7 +128,7 @@ export default {
       return this.topicInfo[this.topicId] || {};
       return this.topicInfo[this.topicId] || {};
     },
     },
     publishUrl() {
     publishUrl() {
-      if (!this.$yoho.isYohoBuy) {
+      if (this.$yoho && !this.$yoho.isYohoBuy) {
         return '';
         return '';
       }
       }