ddns-updater: Bug: Porkbun old records not overridden

DNS resolution records can be updated, but the old ones will not be overwritten, and new ones will always be added. Make it unable to take effect this is my config.json

"settings": [
{
"provider": "porkbun",
"domain": "domian",
"host": "@",
"api_key": "***",
"secret_api_key": "***",
"ip_version": "ipv4"
},
{
"provider": "porkbun",
"domain": "domian",
"host": "*",
"api_key": "***",
"secret_api_key": "***",
"ip_version": "ipv4"
}
]
}