diff --git a/lib/ui/grid/grid.js b/lib/ui/grid/grid.js
index 48480f0..222328b 100644
--- a/lib/ui/grid/grid.js
+++ b/lib/ui/grid/grid.js
@@ -59,7 +59,7 @@ const ColumnTypeDefs = {
 let r = lang;
 
 /**
- * 键值对
+ * 数据项
  * @typedef ValueItem
  * @property {any} Value - 值
  * @property {string} DisplayValue - 显示值
@@ -67,18 +67,18 @@ let r = lang;
  */
 
 /**
- * 键值对象
- * @ignore
+ * 键值字典
  * @template T
  * @typedef KeyMap
- * @type {{[key: string]: T}}
+ * @type1 {{[key: string]: T}}
+ * @type {Map<string, T>}
  */
 
 /**
  * 行数据对象
  * @typedef GridRowItem
  * @type {KeyMap<ValueItem>}
- * @property {(ValueItem | any)} {key} - 数据属性
+ * @property {(ValueItem | any)} {key} - 数据项
  */
 
 /**