diff --git a/src/utils/eventBus.ts b/src/utils/eventBus.ts
index 9ea06008..27e06436 100644
--- a/src/utils/eventBus.ts
+++ b/src/utils/eventBus.ts
@@ -1,3 +1,23 @@
 import mitt from 'mitt'
 
-export default mitt()
+// eslint-disable-next-line @typescript-eslint/consistent-type-definitions
+type Events = {
+  /**
+   * 应用设置弹窗
+   */
+  'global-app-setting-toggle': undefined
+  /**
+   * 系统信息弹窗
+   */
+  'global-system-info-toggle': undefined
+  /**
+   * 快捷键弹窗
+   */
+  'global-hotkeys-intro-toggle': undefined
+  /**
+   * 搜索框弹窗
+   */
+  'global-search-toggle': undefined
+}
+
+export default mitt<Events>()