diff --git a/src/react/ReactChildren.js b/src/react/ReactChildren.js
index bbc07d81edaad3705a3dca0942e1cbc01bff2624..a5a2bd605b8e0cf91dcca1818729b302aecb5fa4 100644
--- a/src/react/ReactChildren.js
+++ b/src/react/ReactChildren.js
@@ -1,8 +1,36 @@
+let result = [];
+let count = 0;
+
 function mapChildren(children, func, context) {
-    //TODO实现此mapChildren方法
-    return children;
+  //TODO实现此mapChildren方法
+  children.map((child, i) => {
+    invoke(child, count, func);
+    count++;
+  });
+  return result;
 }
 
-export {
-    mapChildren as map,
-};
\ No newline at end of file
+function invoke(child, count, func) {
+  if (!child) {
+    return null;
+  }
+  if (Array.isArray(child)) {
+    child.map((subChild, i) => {
+      subChild.count = i;
+      invoke(subChild, count, func);
+    });
+  } else {
+    let tempRes = [];
+    if (child.count) {
+      tempRes = func(child, count + child.count);
+    } else {
+      tempRes = func(child, count);
+    }
+    if (tempRes && tempRes.length) {
+      tempRes.map((subRes) => {
+        result.push(subRes);
+      });
+    }
+  }
+}
+export { mapChildren as map };