private void Awake()
 {
     doortransform   = GetComponent <Transform>();
     item            = GameObject.FindGameObjectWithTag("Key").GetComponent <Item_Ctrl>();
     item1           = GameObject.FindGameObjectWithTag("Key1").GetComponent <Item_Ctrl>();
     item2           = GameObject.FindGameObjectWithTag("Key2").GetComponent <Item_Ctrl>();
     item_management = GameObject.FindGameObjectWithTag("Manager").GetComponent <Item_Management>();
 }
 private void Awake()
 {
     item = GetComponent <Item_Ctrl>();
 }