diff --git a/models/SendLimit.go b/models/SendLimit.go
index b2df3e4..e2e31f6 100644
--- a/models/SendLimit.go
+++ b/models/SendLimit.go
@@ -12,7 +12,7 @@ type Limit struct {
 
 func getLimit(uid int, typ int) bool {
 	u := &Limit{}
-	db.Where("number = ? and typ = ? and activeAt = ?", uid, typ, time.Now().Format("2006-01-02")).First(&u)
+	db.Where("number = ? and typ = ? and active_at = ?", uid, typ, time.Now().Format("2006-01-02")).First(&u)
 	if Config.Lim == 0 {
 		return true
 	}