diff --git a/assets/resource/pipeline/material_event.json b/assets/resource/pipeline/material_event.json
index bccfe11..bb18c85 100644
--- a/assets/resource/pipeline/material_event.json
+++ b/assets/resource/pipeline/material_event.json
@@ -8,6 +8,7 @@
             "Sub_EnterMaterialExpeditionPage",
             "Sub_EnterAttackEventPage",
             "Sub_EnterAttackPage",
+            "Sub_BackButton",
             "Sub_StartUp"
         ]
     },