diff --git a/jsdoc/grid/assets/grid.jpg b/jsdoc/grid/assets/grid.jpg
new file mode 100644
index 0000000..549803d
Binary files /dev/null and b/jsdoc/grid/assets/grid.jpg differ
diff --git a/lib/ui/grid/grid.js b/lib/ui/grid/grid.js
index 109c0bb..6fff42a 100644
--- a/lib/ui/grid/grid.js
+++ b/lib/ui/grid/grid.js
@@ -439,7 +439,9 @@ const GridColumnDirection = {
 /**
  * Grid 控件基础类
  * 
- * <img src="./assets/grid-sample.png" alt="Grid Sample"/>
+ * <img src="./assets/grid-sample.png" alt="Grid Sample"/><br/>
+ * 函数调用流程图<br/>
+ * <img src="./assets/grid.jpg" alt="Grid"/>
  * @class
  * @example <caption>基础示例</caption>
  *  <div id="grid"></div>