diff --git a/src/views/trials/trials-panel/reading/dicoms/components/Fusion/PetCt.vue b/src/views/trials/trials-panel/reading/dicoms/components/Fusion/PetCt.vue
index 21ff6235..47cadf5f 100644
--- a/src/views/trials/trials-panel/reading/dicoms/components/Fusion/PetCt.vue
+++ b/src/views/trials/trials-panel/reading/dicoms/components/Fusion/PetCt.vue
@@ -629,8 +629,15 @@ export default {
       const routeData = this.$router.resolve({ path })
       this.screenshotWindow = window.open(routeData.href, '_blank')
     })
+    window.addEventListener("beforeunload",() => {
+      if (this.screenshotWindow) {
+        this.screenshotWindow.close()
+      }
+    })
+   
   },
   beforeDestroy() {
+    console.log('beforeDestroy',this.screenshotWindow)
     if (this.screenshotWindow) {
       this.screenshotWindow.close()
     }
@@ -645,6 +652,7 @@ export default {
     FusionEvent.$off('removeAnnotation')
     FusionEvent.$off('imageLocation')
     FusionEvent.$off('getScreenshots')
+    window.removeEventListener("beforeunload")
   },
   methods: {