diff --git a/src/pages/mediation-page/components/LayoutContentNew.vue b/src/pages/mediation-page/components/LayoutContentNew.vue
index bc35f8c..e64a663 100644
--- a/src/pages/mediation-page/components/LayoutContentNew.vue
+++ b/src/pages/mediation-page/components/LayoutContentNew.vue
@@ -623,7 +623,7 @@ export default {
     return {
       VideoDialog: null,
       eventDialog: {caseId: this.$route.query.caseId},
-      leftActive: 4,
+      leftActive: 1,
       rightActive: 1,
 
       fileList: [],