diff --git a/models/SendLimit.go b/models/SendLimit.go
index e2e31f6..f342b23 100644
--- a/models/SendLimit.go
+++ b/models/SendLimit.go
@@ -11,12 +11,12 @@ type Limit struct {
 }
 
 func getLimit(uid int, typ int) bool {
-	u := &Limit{}
-	db.Where("number = ? and typ = ? and active_at = ?", uid, typ, time.Now().Format("2006-01-02")).First(&u)
 	if Config.Lim == 0 {
 		return true
 	}
-	if u.ID != 0 {
+	u := &Limit{}
+	err := db.Where("number = ? and typ = ? and active_at = ?", uid, typ, time.Now().Format("2006-01-02")).First(&u).Error
+	if err != nil {
 		if u.Num < Config.Lim {
 			db.Updates(&Limit{
 				Num: u.Num + 1,