在阿里函数计算为什么上传zip部署代码，经常需要部署2-3次才会成功呀？

在阿里函数计算为什么上传zip部署代码，经常需要部署2-3次才会成功呀？基本上每次上传都会报错，需要重复上传2-3次

{
"request": {
"url": "UpdateFunction",
"params": {
"region": "cn-hangzhou",
"params": {
"functionName": "dhrj$qywh"
},
"content": {
"code": {
"ossBucketName": "fc-hz-yunqi-temp-code",
"ossObjectName": "1096245179507552/4963310c-f3af-444c-95c9-3e14d1cc9207"
}
},

    }
},
"response": {
    "code": "ServiceUnavailable",
    "data": {
        "RequestId": "EE4F2214-C9FF-5107-9D9D-7D4E325C96AD",
        "Message": "The request has failed due to a temporary failure of the server.",
        "Recommend": "https://api.aliyun.com/troubleshoot?q=ServiceUnavailable&product=FC&requestId=EE4F2214-C9FF-5107-9D9D-7D4E325C96AD",
        "HostId": "fcv3-share.cn-hangzhou.aliyuncs.com",
        "Code": "ServiceUnavailable"
    },
    "httpStatusCode": "503",
    "message": "The request has failed due to a temporary failure of the server.",
    "requestId": "EE4F2214-C9FF-5107-9D9D-7D4E325C96AD",
    "successResponse": false
}

}