curl --location --request POST 'https://app.leiga.com/openapi/api/epic/relation-issue' \
--header 'accessToken: ' \
--header 'Content-Type: application/json' \
--data-raw '{
"epicId": 1,
"issueIds": [
1,
2
]
}'
{
"code": "0",
"data": {
"success": true
}
}