HttpMessageNotReadableException:JSON parse error: expect '[', but {, pos 1, line 1, column 2{
    "rfids":[
        1,2,3
    ]
}; nested exception is com.alibaba.fastjson.JSONException: expect '[', but {, pos 1, line 1, column 2{
    "rfids":[
        1,2,3
    ]
}