fix: 拟建无buyer情况处理

data/data-models/modules/article/transform/summary2.js

@@ -218,9 +218,11 @@ class SummaryModel extends BaseModel {
 
       if (key === 'buyer') {
         s.addKey('link', summary?.buyerPortraitShow) // 是否可进行跳转
-        result.buyers.push(
-          new Buyer(summary?.buyer, summary?.buyer, { link: summary?.buyerPortraitShow })
-        )
+        if (summary?.buyer) {
+          result.buyers.push(
+            new Buyer(summary?.buyer, summary?.buyer, { link: summary?.buyerPortraitShow })
+          )
+        }
       } else if (key === 'address') {
         s.addKey('row', true)
       } else if (key === 'content') {