fix():修改s3为阿里云oss

internal/config/config.go

@@ -83,7 +83,8 @@ type OssConfig struct {
 	AccessKeyID      string        `mapstructure:"access_key_id"`
 	AccessKeySecret  string        `mapstructure:"access_key_secret"`
 	Bucket           string        `mapstructure:"bucket"`
-	AssumeRoleArn    string        `mapstructure:"assume_role_arn"`
+	UploadMaxSize    int64         `mapstructure:"upload_max_size"` // 上传文件最大大小(字节)
+	AssumeRoleArn    string        `mapstructure:"assume_role_arn"` // AWS S3专用,阿里云不需要
 	PresignUrlExpire time.Duration `mapstructure:"presign_url_expire"`
 }