diff --git a/biz/src/main/java/cn/icanci/loopstack/amc/cloud/biz/service/impl/AppMockTestServiceImpl.java b/biz/src/main/java/cn/icanci/loopstack/amc/cloud/biz/service/impl/AppMockTestServiceImpl.java
index 9bfd846af24cfa2fc4e363ea56897fbd5354f68f..85005bd4c22f173363ccc24f79bbf362c444f557 100644
--- a/biz/src/main/java/cn/icanci/loopstack/amc/cloud/biz/service/impl/AppMockTestServiceImpl.java
+++ b/biz/src/main/java/cn/icanci/loopstack/amc/cloud/biz/service/impl/AppMockTestServiceImpl.java
@@ -12,6 +12,9 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.stereotype.Service;
 
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.serializer.SerializerFeature;
+
 /**
  * @author icanci
  * @since 1.0 Created in 2023/01/17 22:57
@@ -33,7 +36,8 @@ public class AppMockTestServiceImpl implements AppMockTestService {
         report.setMockUuid(wrapper.getMockUuid());
         report.setMockRequest(wrapper.getMockRequest());
         report.setMockErrorMessage(wrapper.getMockErrorMessage());
-        report.setMockResponse(JSONUtil.toJsonStr(wrapper.getMockResponse()));
+        // hutool 的包方法，null值吃掉了，此处需要展示null值
+        report.setMockResponse(JSON.toJSONString(wrapper.getMockResponse(), SerializerFeature.WriteMapNullValue));
         appMockCallReportDAO.insert(report);
     }
 }