diff --git a/README.md b/README.md
index c603c0f2..c37bbf51 100644
--- a/README.md
+++ b/README.md
@@ -536,7 +536,7 @@ double score = Math.log10(Math.max(w, 1))
 ### 序章
 
 - [必读：Echo 项目的 README](https://mp.weixin.qq.com/s/iiukwRNW1-my1q6UjYl4iw)
-- Echo 项目结构分析
+- [Echo 项目结构分析](https://mp.weixin.qq.com/s/dZqSB0EN5-rmGQeG3Lx2jA)
 - Echo 数据库表分析
 
 ### 部署篇
diff --git a/docs/README.md b/docs/README.md
index b535516d..d1fd64f3 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -523,7 +523,7 @@ double score = Math.log10(Math.max(w, 1))
 ### 序章
 
 - [必读：Echo 项目的 README](https://mp.weixin.qq.com/s/iiukwRNW1-my1q6UjYl4iw)
-- Echo 项目结构分析
+- [Echo 项目结构分析](https://mp.weixin.qq.com/s/dZqSB0EN5-rmGQeG3Lx2jA)
 - Echo 数据库表分析
 
 ### 部署篇
diff --git a/src/main/java/com/greate/community/util/RedisKeyUtil.java b/src/main/java/com/greate/community/util/RedisKeyUtil.java
index 9e88255b..1cf17fc8 100644
--- a/src/main/java/com/greate/community/util/RedisKeyUtil.java
+++ b/src/main/java/com/greate/community/util/RedisKeyUtil.java
@@ -17,7 +17,6 @@ public class RedisKeyUtil {
     private static final String PREFIX_DAU = "dau"; // 日活跃用户
     private static final String PREFIX_POST = "post"; // 用于统计帖子分数
 
-
     /**
      * 某个实体（帖子、评论/回复）的获赞
      * like:entity:entityType:entityId -> set(userId)