content: package com.alibaba.fastjson2.issues;
  
  import com.alibaba.fastjson2.JSON;
  import com.alibaba.fastjson2.JSONReader;
  import com.alibaba.fastjson2.annotation.JSONField;
  import lombok.Data;
  import org.junit.jupiter.api.Test;
  
  import java.io.Serializable;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  
  public class Issue499 {
      @Test
      public void test() {
          String s = "{\"msg\":\"请求成功\",\"code\":2001,\"data\":{\"fScore\":\"479\"}," +
                  "\"seq\":\"ab18fdffb2c34a48a4b87ec725e2e374\"}";
          TdCreditVO tdCreditVO = JSON.parseObject(s, TdCreditVO.class, JSONReader.Feature.SupportSmartMatch);
          assertNotNull(tdCreditVO);
          assertNotNull(tdCreditVO.data);
          assertEquals("479", tdCreditVO.data.fScore);
      }
  
      @Data
      public static class TdCreditVO
              implements Serializable {
          private static final long serialVersionUID = -6643845945540456043L;
          private String msg;
          private Integer code;
          private DataVO data;
          private String seq;
  
          @Data
          public static class DataVO
                  implements Serializable {
              private static final long serialVersionUID = 6663807798770288587L;
              @JSONField(alternateNames = "Fscore")
              private String fScore;
          }
  
          @Override
          public String toString() {
              return JSON.toJSONString(this);
          }
      }
  }
  