diff --git a/src/javascript/ecma-script/collection-reference/array/create-array.md b/src/javascript/ecma-script/collection-reference/array/create-array.md
index 8764673..e2029f1 100644
--- a/src/javascript/ecma-script/collection-reference/array/create-array.md
+++ b/src/javascript/ecma-script/collection-reference/array/create-array.md
@@ -22,7 +22,7 @@
 
 <<< @/../projects/javascript-sandbox/src/array-method/create-array.ts#array-from-1
 
-可以使用`Array.from()`将集合对象转换为新数组。
+可以使用`Array.from()`将类数组对象（拥有一个`length`属性和索引元素）或可迭代（Map、Set 或字符串）对象转换为新数组。
 
 <<< @/../projects/javascript-sandbox/src/array-method/create-array.ts#array-from-2