解决@RequestBody部分属性丢失的问题

public class VerifyNewFriendApplyReq implements Serializable {
    /**
     * 申请ID
     */
    private Long applyId;
    /**
     * 审核结果 true:同意 false：拒绝
     */
    private Boolean isAccept;
    public Long getApplyId() {
        return applyId;
    }
    public void setApplyId(Long applyId) {
        this.applyId = applyId;
    }
    public Boolean getAccept() {
        return isAccept;
    }
    public void setAccept(Boolean accept) {
        isAccept = accept;
    }
}

@RequestMapping(value = "/v0.1/verifyNewFriendApply", method = RequestMethod.POST)
    @ResponseBody
    public ImResponse verifyNewFriendApply(@RequestBody VerifyNewFriendApplyReq reqDto) throws Exception {
        Boolean result = friendApi.verifyNewFriendApply(reqDto);
        return new ImResponse(SystemContext.getSystemProperty().getReqId(), result);
    }

private String rEngIds;