diff --git a/lib/ui/grid/grid.js b/lib/ui/grid/grid.js
index d5e16e2..9330e64 100644
--- a/lib/ui/grid/grid.js
+++ b/lib/ui/grid/grid.js
@@ -71,13 +71,13 @@ let r = lang;
 /**
  * 键值字典
  * @template T
- * @typedef {Map<string, T>} KeyMap
+ * @typedef {{[key: string]: T}} KeyMap
  */
 
 /**
  * 索引字典
  * @template T
- * @typedef {Map<number, T>} IndexMap
+ * @typedef {{[index: number]: T}} IndexMap
  */
 
 /**