diff --git a/src/react/ReactChildren.js b/src/react/ReactChildren.js
index bbc07d81edaad3705a3dca0942e1cbc01bff2624..5667b657b51f5006d4768bc4f0ee62840a5cc833 100644
--- a/src/react/ReactChildren.js
+++ b/src/react/ReactChildren.js
@@ -1,8 +1,48 @@
+/** @format */
+function getType(a) {
+  const str = Object.prototype.toString.call(a)
+  return /^\[object (.*)\]$/.exec(str)[1]
+}
+
+function flat(children) {
+  return children.reduce((prev, cur) => {
+    return prev.concat(Array.isArray(cur) ? flat(cur) : cur)
+  }, [])
+}
+
 function mapChildren(children, func, context) {
-    //TODO实现此mapChildren方法
-    return children;
+  let result = []
+
+  // 判断children类型
+  console.group('mapChildren', children)
+  console.log('getType', getType(children))
+
+  if (typeof children !== 'object') {
+    result.push(children)
+  }
+
+  if (getType(children) === 'Array') {
+    result = [...result, ...flat(children)]
+  }
+
+  if (getType(children) === 'Object') {
+    if (children.props.children) {
+      return mapChildren(children.props.children, func, context)
+    }
+  }
+  // console.log('%cresult', 'color:red', result)
+
+  result.forEach((item, index) => {
+    func.call(context, item, index)
+  })
+
+  result = result.map((item, index) => {
+    return func.call(context, item, index)
+  })
+
+  // console.groupEnd()
+
+  return result
 }
 
-export {
-    mapChildren as map,
-};
\ No newline at end of file
+export { mapChildren as map }