chore: delete secret key

installer/Installer/Model.cs

@@ -205,8 +205,8 @@ namespace Downloader
                                           .Build();           // 创建 CosXmlConfig 对象
 
                 // 永久密钥访问凭证
-                string secretId = "AKIDvhEVXN4cv0ugIlFYiniV6Wk1McfkplYA";   //"云 API 密钥 SecretId";
-                string secretKey = "YyGLGCJG4f5VsEUddnz9JSRPSSK8sYBo";  //"云 API 密钥 SecretKey";
+                string secretId = "***";   //"云 API 密钥 SecretId";
+                string secretKey = "***";  //"云 API 密钥 SecretKey";
 
                 long durationSecond = 1000;  // 每次请求签名有效时长，单位为秒
                 QCloudCredentialProvider cosCredentialProvider = new DefaultQCloudCredentialProvider(