diff --git a/src/main/java/cn/lihongjie/coal/spring/config/CacheConfig.java b/src/main/java/cn/lihongjie/coal/spring/config/CacheConfig.java
index 80d7791b..6e8769b4 100644
--- a/src/main/java/cn/lihongjie/coal/spring/config/CacheConfig.java
+++ b/src/main/java/cn/lihongjie/coal/spring/config/CacheConfig.java
@@ -1,5 +1,6 @@
 package cn.lihongjie.coal.spring.config;
 
+import com.fasterxml.jackson.annotation.JsonTypeInfo;
 import com.fasterxml.jackson.databind.ObjectMapper;
 
 import org.springframework.beans.factory.annotation.Autowired;
@@ -20,6 +21,10 @@ public class CacheConfig {
 
     @Bean
     public RedisCacheConfiguration cacheConfiguration() {
+        objectMapper = objectMapper.copy();
+        objectMapper =
+                objectMapper.enableDefaultTyping(
+                        ObjectMapper.DefaultTyping.NON_FINAL, JsonTypeInfo.As.PROPERTY);
         return RedisCacheConfiguration.defaultCacheConfig()
                 .entryTtl(Duration.ofMinutes(10))
                 .disableCachingNullValues()