diff --git a/src/utils/EventBus.js b/src/utils/EventBus.js
new file mode 100644
index 0000000..0948c2e
--- /dev/null
+++ b/src/utils/EventBus.js
@@ -0,0 +1,3 @@
+import Vue from 'vue';
+
+export default new Vue();
diff --git a/src/views/hbao/comps/HTable.vue b/src/views/hbao/comps/HTable.vue
index ec7a7f1..d99cf14 100644
--- a/src/views/hbao/comps/HTable.vue
+++ b/src/views/hbao/comps/HTable.vue
@@ -1,5 +1,6 @@