diff --git a/api/src/main/java/com/theokanning/openai/utils/JsonUtil.java b/api/src/main/java/com/theokanning/openai/utils/JsonUtil.java
index 3ef2d5a..1c191fd 100644
--- a/api/src/main/java/com/theokanning/openai/utils/JsonUtil.java
+++ b/api/src/main/java/com/theokanning/openai/utils/JsonUtil.java
@@ -1,22 +1,25 @@
 package com.theokanning.openai.utils;
 
+import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.DeserializationFeature;
 import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.PropertyNamingStrategies;
 
 /**
  * @author LiangTao
  * @date 2024年05月24 15:02
  **/
 public class JsonUtil {
-    private static final ObjectMapper mapper = ObjectMapperHolder.mapper;
+    private static final ObjectMapper MAPPER = ObjectMapperHolder.MAPPER;
 
     public static ObjectMapper getInstance() {
-        return mapper;
+        return MAPPER;
     }
 
     public static String writeValueAsString(Object value) {
         try {
-            return mapper.writeValueAsString(value);
+            return MAPPER.writeValueAsString(value);
         } catch (JsonProcessingException e) {
             throw new RuntimeException(e);
         }
@@ -24,14 +27,19 @@ public static String writeValueAsString(Object value) {
 
     public static <T> T readValue(String content, Class<T> valueType) {
         try {
-            return mapper.readValue(content, valueType);
+            return MAPPER.readValue(content, valueType);
         } catch (JsonProcessingException e) {
             throw new RuntimeException(e);
         }
     }
 
     private static class ObjectMapperHolder {
-        private static final ObjectMapper mapper = new ObjectMapper();
+        private static final ObjectMapper MAPPER = new ObjectMapper();
+        static {
+            MAPPER.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+            MAPPER.setSerializationInclusion(JsonInclude.Include.NON_NULL);
+            MAPPER.setPropertyNamingStrategy(PropertyNamingStrategies.LOWER_CAMEL_CASE);
+        }
     }