curl --location --request POST 'https://api.kfim.cn/complaint_gate/wechat_feedback' \
--data-urlencode 'complaint_no=' \
--data-urlencode 'feedback_content=' \
--data-urlencode 'image_list=["sa65f4a61dfa6ef","45441551"]' \
--data-urlencode 'business_code=' \
--data-urlencode 'mch_num=' \
--data-urlencode 'timestamp=' \
--data-urlencode 'sign='{
"code": 0,
"msg": "success",
"data": {}
}