{
"oldFundCode":"001578",
"newFundCode":"020824"
}curl --location --request POST '/ma/activity/fund/change' \
--header 'Content-Type: application/json' \
--data-raw '{
"oldFundCode":"001578",
"newFundCode":"020824"
}'{
"ret": -1,
"msg": "当前没有可领取的蛋",
"err": null,
"data": null,
"ok": false
}