The back-end interface document uses java keywords to define the solution of the attribute name

Guide

• The back-end interface field defined by the interface document is named package. For java, this is a keyword and cannot be used as an attribute name (as shown in the figure below)
  
  

the reason

• Key words are used to name attribute names in JavaBean.

Solution

• Use fastjson's @JsonProperty annotation to solve this problem

import com.alibaba.fastjson.annotation.JSONField;

@Data
public class Bean {
    
    
    @JsonProperty(value = "package")
    private String pak;
}