step 1

Install-Package Serilog.Sinks.AliyunSls

step 2

add services

Log.Logger = new LoggerConfiguration()
    .ReadFrom.Configuration(builder.Configuration)
    .CreateLogger();
builder.Host.UseSerilog();

step 3

edit config

"Serilog": {
    "MinimumLevel": {
      "Default": "Information",
      "Override": {
        "Microsoft.Hosting.Lifetime": "Information"
      }
    },
    "WriteTo": [
      {
        "Name": "Console"
      },
      {
        "Name": "AliyunSls",
        "Args": {
          "Endpoint": "",
          "AccessKeyId": "",
          "AccessKeySecret": "",
          "Project": "",
          "LogStore": "",
          "Topic": "",
          "BatchSizeLimit": 1000,
          "Period": 2,
          "QueueLimit": 100000,
          "EagerlyEmitFirstEvent": true,
          "EnableBatch": true
        }
      }
    ],
    "Enrich": ["FromLogContext"]
  }

step 4

run & verify