diff --git a/app/src/main/kotlin/jackall/moncalc/service/MainService.kt b/app/src/main/kotlin/jackall/moncalc/service/MainService.kt
index 05d248d..9ebb4cb 100644
--- a/app/src/main/kotlin/jackall/moncalc/service/MainService.kt
+++ b/app/src/main/kotlin/jackall/moncalc/service/MainService.kt
@@ -177,6 +177,7 @@
         if (moveOverlayView.isShown) {
             windowManager.removeView(moveOverlayView)
         }
+        registBinding.registViewModel?.realmInstanceClose()
     }
 
     override fun onBind(intent: Intent?): IBinder? {