搜索结果过滤空字段

src/main/java/cn/meteor/beyondclouds/modules/search/entity/SearchItem.java

@@ -2,6 +2,7 @@ package cn.meteor.beyondclouds.modules.search.entity;
 
 import cn.meteor.beyondclouds.modules.blog.dto.BlogDetailDTO;
 import cn.meteor.beyondclouds.core.queue.message.DataItemType;
+import com.fasterxml.jackson.annotation.JsonInclude;
 import lombok.Data;
 import lombok.NoArgsConstructor;
 import lombok.ToString;
@@ -90,6 +91,7 @@ public class SearchItem<T> {
     @Field(index = false, type = FieldType.Date)
     private Date updateTime;
 
+    @JsonInclude(JsonInclude.Include.NON_NULL)
     private T extra;
 
     public static SearchItem of(BlogDetailDTO blogDetail) {