diff --git a/src/main/java/com/example/building/config/RedisConfig.java b/src/main/java/com/example/building/config/RedisConfig.java
index ae46dc6..e32e823 100644
--- a/src/main/java/com/example/building/config/RedisConfig.java
+++ b/src/main/java/com/example/building/config/RedisConfig.java
@@ -30,7 +30,8 @@ public class RedisConfig {
                 ObjectMapper.DefaultTyping.NON_FINAL);
 
         // 使用Jackson2JsonRedisSerializer序列化value
-        Jackson2JsonRedisSerializer<Object> serializer = new Jackson2JsonRedisSerializer<>(mapper, Object.class);
+        Jackson2JsonRedisSerializer<Object> serializer = new Jackson2JsonRedisSerializer<>(Object.class);
+        serializer.setObjectMapper(mapper);
 
         // 设置key和value的序列化方式
         template.setKeySerializer(new StringRedisSerializer());