diff --git a/pkg/watcher/coach.go b/pkg/watcher/coach.go
index b61f207..fd95bad 100644
--- a/pkg/watcher/coach.go
+++ b/pkg/watcher/coach.go
@@ -136,7 +136,7 @@ func (c *CoachOutlet) getInventory() bool {
 			"orderable":             c.detail.Orderable,
 			"allocation_reset_date": c.detail.AllocationResetDate,
 			"watch":                 c.detail.Watch,
-			"updatedAt":             time.Now(),
+			"updated_at":            time.Now(),
 		}).Error; err != nil {
 		slog.Error(fmt.Sprintf("更新数据库失败：%v", err))
 	}