diff --git a/applications/main.c b/applications/main.c
index cada980..611a6b2 100644
--- a/applications/main.c
+++ b/applications/main.c
@@ -292,12 +292,12 @@ int main (void)
 
                         if (SysControl.last_status == kSelfCheckEvent)
                         {
-                            rt_thread_mdelay (5000);
+                            rt_thread_mdelay (3500);
                             LOG_I ("自检电磁阀动作");
                             EMV_CLOSE_VALVE;
                             LOG_I ("自检风机动作");
                             relay_state_flag = 1;
-                            rt_thread_mdelay (500);
+                            rt_thread_mdelay (3000);
                             relay_state_flag = 0;
                         }
                         if (H308.detection_flag == kH308Alarm)
@@ -346,9 +346,6 @@ int main (void)
                         rt_thread_mdelay(5000);
                         LOG_D("EMV_CLOSE_VALVE 2");
                         EMV_CLOSE_VALVE;
-                        rt_thread_mdelay(5000);
-                        LOG_D("EMV_CLOSE_VALVE 3");
-                        EMV_CLOSE_VALVE;
                     }
                     else if (received_event & Get_Sys_Event_Flag (kAlarmRcyEvent))  // 报警恢复
                     {