diff --git a/src/react/ReactChildren.js b/src/react/ReactChildren.js
index bbc07d81edaad3705a3dca0942e1cbc01bff2624..38a890e4b354a0a15ba65441d059741a512439ba 100644
--- a/src/react/ReactChildren.js
+++ b/src/react/ReactChildren.js
@@ -1,8 +1,19 @@
 function mapChildren(children, func, context) {
-    //TODO实现此mapChildren方法
-    return children;
+  if (!children) return children;
+  let result = [];
+  mapChildren(children, func, context, result);
+  return result;
 }
 
-export {
-    mapChildren as map,
-};
\ No newline at end of file
+function mapChildren(children, func, context, result) {
+  children.forEach((child, index) => {
+    if (Array.isArray(child)) {
+      return childrenMap(child, func);
+    }
+    func.call(context, child, index).forEach((item, ind) => {
+      item.key = "." + (child.key || index) + "/." + (item.key || ind);
+      result.push(key);
+    });
+  });
+}
+export { mapChildren as map };