diff --git a/app/src/main/java/com/ouxuan/oxface/abgate/GateUnavailableDialog.java b/app/src/main/java/com/ouxuan/oxface/abgate/GateUnavailableDialog.java
index 4b2b384..a507688 100644
--- a/app/src/main/java/com/ouxuan/oxface/abgate/GateUnavailableDialog.java
+++ b/app/src/main/java/com/ouxuan/oxface/abgate/GateUnavailableDialog.java
@@ -112,6 +112,7 @@ public class GateUnavailableDialog {
         void triggerUnlockPasswordDialog();
     }
     
+    private UnlockPasswordDialogTrigger unlockTrigger;
     private GateUnavailableDialogListener dialogListener;
     private boolean isShowing = false;