diff --git a/src/react/ReactChildren.js b/src/react/ReactChildren.js
index bbc07d81edaad3705a3dca0942e1cbc01bff2624..e85f900484f7650f7fe4e37766123c85aedf37d6 100644
--- a/src/react/ReactChildren.js
+++ b/src/react/ReactChildren.js
@@ -1,6 +1,21 @@
 function mapChildren(children, func, context) {
     //TODO实现此mapChildren方法
-    return children;
+    const array = []
+    children = Array.isArray(children) ? children : [children]
+    function fn(child, key, flag = false) {
+        child.forEach((item, index) => {
+            if (Array.isArray(item)) {
+                let newKey = key ? item.key ? key + '/' + item.key : flag ? key + `.${index}` : key + '/' + `.${index}` : `.${index}`
+                fn(item, newKey)
+            } else {
+                const res = func(item)
+                res.key = item.key ? key + '/' + `.$${item.key}` : flag ? key + `.${index}` : key + '/' + `.${index}`
+                array.push(res)
+            }
+        })
+    }
+    fn(children, '', true)
+    return array;
 }
 
 export {