fix: fix compile error

project-user/src/main/java/com/dituhui/pea/user/commom/RedisConfig.java

@@ -7,15 +7,24 @@ import org.springframework.data.redis.core.RedisTemplate;
 import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
 import org.springframework.data.redis.serializer.StringRedisSerializer;
 
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.JsonTypeInfo;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
 @Configuration
 public class RedisConfig {
 
 	@Bean
 	public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory connectionFactory) {
+		ObjectMapper objectMapper = new ObjectMapper();
+		objectMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
+		objectMapper.activateDefaultTyping(objectMapper.getPolymorphicTypeValidator(),
+				ObjectMapper.DefaultTyping.EVERYTHING, JsonTypeInfo.As.PROPERTY);
+
 		RedisTemplate<String, Object> redisTemplate = new RedisTemplate<>();
 		redisTemplate.setConnectionFactory(connectionFactory);
 		redisTemplate.setKeySerializer(new StringRedisSerializer());
-		redisTemplate.setValueSerializer(new GenericJackson2JsonRedisSerializer());
+		redisTemplate.setValueSerializer(new GenericJackson2JsonRedisSerializer(objectMapper));
 		return redisTemplate;
 	}