修改缩略图地址获取规则

src/main/java/com/uas/cloud/mall/shop/news/model/News.java

@@ -135,7 +135,10 @@ public class News{
     }
 
     public String getThumbnail() {
-        return INDEX_USOFTCHINA + thumbnail;
+        if (null != thumbnail && thumbnail.startsWith("/attachment/")) {
+            return INDEX_USOFTCHINA + thumbnail;
+        }
+        return this.thumbnail;
     }
 
     public void setThumbnail(String thumbnail) {