diff --git a/base/res_api_captcha.go b/base/res_api_captcha.go
index 07429b6..db4f9c1 100644
--- a/base/res_api_captcha.go
+++ b/base/res_api_captcha.go
@@ -7,6 +7,7 @@ type ResApiCaptcha struct {
 	Interval   int64          `db:"interval"`          // 间隔时间
 	Exp        int64          `db:"exp"`               // 超时时间
 	Extra      map[string]any `db:"extra"`             // 扩展配置
+	Limit      int64          `db:"limit"`             // 验证次数
 	UpdatedAt  string         `db:"updated_at"`
 	CreatedAt  string         `db:"created_at"`
 }