修改：

1.添加ServerBigBrother创建时间字段
2.修改 ServerBigBrotherMapper.xml 注释

src/main/java/com/yupi/springbootinit/model/dto/host/ServerBigBrotherDTO.java

@@ -103,6 +103,13 @@ public class ServerBigBrotherDTO extends PageRequest implements Serializable {
     @ApiModelProperty(value="租户 Id")
     private Long tenantId;
 
+
+    /**
+     * 创建时间
+     */
+    @ApiModelProperty(value = "创建时间开始(yyyy-MM-dd)", example = "2023-01-01")
+    private Date createTime;
+
     /**
      * 数据插入时间
      */