diff --git a/asg_form/Controllers/Budget/BgCountController.cs b/asg_form/Controllers/Budget/BgCountController.cs
index ca851cd..64e1a52 100644
--- a/asg_form/Controllers/Budget/BgCountController.cs
+++ b/asg_form/Controllers/Budget/BgCountController.cs
@@ -123,7 +123,7 @@ namespace asg_form.Controllers.Budget
                 budget.used_event_name = msg.usedEventName;
                 budget.used_event_id = msg.usedEventId;
                 budget.update_person = msg.updatePerson;
-                budget.change_time = currentTime.ToString();
+                budget.update_time = currentTime.ToString();
                 await sub.SaveChangesAsync();
                 return Ok(new error_mb { code = 200, message = "更新预算成功" });
             }