diff --git a/src/main/java/cn/hezhaohui/thumb/constant/ThumbConstant.java b/src/main/java/cn/hezhaohui/thumb/constant/ThumbConstant.java
index 618ff95..185e265 100644
--- a/src/main/java/cn/hezhaohui/thumb/constant/ThumbConstant.java
+++ b/src/main/java/cn/hezhaohui/thumb/constant/ThumbConstant.java
@@ -5,17 +5,17 @@ package cn.hezhaohui.thumb.constant;
  * 点赞常量接口
  * 用于定义与点赞功能相关的常量
  */
-public interface ThumbConstant {
+public class ThumbConstant {
 
     /**
      * 用户点赞前缀常量
      * 用于作为Redis中存储用户点赞信息的key前缀
      */
-    String USER_THUMB_KEY_PREFIX = "thumb:";
+    public static final String USER_THUMB_KEY_PREFIX = "thumb:";
 
     /**
      * 临时点赞前缀常量
      * 用于作为Redis中存储临时点赞信息的key前缀
      */
-    String TEMP_THUMB_KEY_PREFIX = "temp_thumb:%s";
+    public static final String TEMP_THUMB_KEY_PREFIX = "temp_thumb:%s";
 }