diff --git a/Lock_Timer_21042022_Test_TimeOpenDoor/Lock_Timer_21042022_Test_TimeOpenDoor/Lock_Timer_21042022_Test_TimeOpenDoor.ino b/Lock_Timer_21042022_Test_TimeOpenDoor/Lock_Timer_21042022_Test_TimeOpenDoor/Lock_Timer_21042022_Test_TimeOpenDoor.ino
index 6926c51..6a5b253 100644
--- a/Lock_Timer_21042022_Test_TimeOpenDoor/Lock_Timer_21042022_Test_TimeOpenDoor/Lock_Timer_21042022_Test_TimeOpenDoor.ino
+++ b/Lock_Timer_21042022_Test_TimeOpenDoor/Lock_Timer_21042022_Test_TimeOpenDoor/Lock_Timer_21042022_Test_TimeOpenDoor.ino
@@ -15,7 +15,7 @@
 // Relay 2 - D6
 // Button 2 - D7
 
-long Time_openRelay = 3000 ;  // ms - Thoi gian giu mo khoa
+long Time_openRelay = 4000 ;  // ms - Thoi gian giu mo khoa
 
 #define relay 5 //6     // Set Relay 1 Pin
 #define button 7 // button exit