update CHANGELOG.md

CHANGELOG.md

@@ -30,6 +30,26 @@ All notable changes to paopao-ce are documented in this file.
     ...
     ```
 - add topic follow feature support [#273](https://github.com/rocboss/paopao-ce/pull/273)   
+  mirgration database first(sql ddl file in `scripts/migration/**/*_topic_follow.up.sql`):
+    ```sql
+      CREATE TABLE `p_topic_user` (
+	      `id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
+	      `topic_id` BIGINT UNSIGNED NOT NULL COMMENT '标签ID',
+	      `user_id` BIGINT UNSIGNED NOT NULL COMMENT '创建者ID',
+	      `alias_name` VARCHAR ( 255 ) COMMENT '别名',
+	      `remark` VARCHAR ( 512 ) COMMENT '备注',
+	      `quote_num` BIGINT UNSIGNED COMMENT '引用数',
+	      `is_top` TINYINT UNSIGNED NOT NULL DEFAULT '0' COMMENT '是否置顶 0 为未置顶、1 为已置顶',
+	      `created_on` BIGINT UNSIGNED NOT NULL DEFAULT '0' COMMENT '创建时间',
+	      `modified_on` BIGINT UNSIGNED NOT NULL DEFAULT '0' COMMENT '修改时间',
+	      `deleted_on` BIGINT UNSIGNED NOT NULL DEFAULT '0' COMMENT '删除时间',
+	      `is_del` TINYINT UNSIGNED NOT NULL DEFAULT '0' COMMENT '是否删除 0 为未删除、1 为已删除',
+	      `reserve_a` VARCHAR ( 255 ) COMMENT '保留字段a',
+	      `reserve_b` VARCHAR ( 255 ) COMMENT '保留字段b',
+	      PRIMARY KEY ( `id` ) USING BTREE,
+        UNIQUE KEY `idx_topic_user_uid_tid` ( `topic_id`, `user_id` ) USING BTREE 
+      ) ENGINE = INNODB DEFAULT CHARSET = utf8mb4 COLLATE = utf8mb4_general_ci COMMENT = '用户话题';
+    ```
 
 ### Fixed