diff --git a/internal/model/nh_game_pit_model.go b/internal/model/nh_game_pit_model.go
index efae8e1..850f7a6 100755
--- a/internal/model/nh_game_pit_model.go
+++ b/internal/model/nh_game_pit_model.go
@@ -4,6 +4,7 @@ import (
 	"context"
 	"fmt"
 	"github.com/zeromicro/go-zero/core/stores/sqlx"
+	"time"
 )
 
 var _ NhGamePitModel = (*customNhGamePitModel)(nil)
@@ -23,9 +24,11 @@ type (
 )
 
 func (m *customNhGamePitModel) UserExist(ctx context.Context, uid uint) bool {
-	query := fmt.Sprintf("SELECT `id` FROM %s WHERE `uid` = ? LIMIT 1", m.table)
+
+	query := fmt.Sprintf("SELECT `id` FROM %s WHERE `uid` = ? AND `created_at` > ? LIMIT 1", m.table)
 	var id int
-	err := m.conn.QueryRowCtx(ctx, &id, query, uid)
+	t := time.Now().Add(-time.Hour * 24)
+	err := m.conn.QueryRowCtx(ctx, &id, query, uid, t)
 	if err != nil {
 		return false
 	}