diff --git a/src/react/ReactChildren.js b/src/react/ReactChildren.js
index bbc07d81edaad3705a3dca0942e1cbc01bff2624..5fdef7256d6d3bb5308214eecd1301eecf42c074 100644
--- a/src/react/ReactChildren.js
+++ b/src/react/ReactChildren.js
@@ -1,6 +1,42 @@
 function mapChildren(children, func, context) {
     //TODO实现此mapChildren方法
-    return children;
+    // return children;
+    if (children === null) {
+      return children;
+    }
+    let array = []
+    let result = []
+    let index = 0
+    getArray(children, array)
+    handleArray(result, array, func, context, index)
+    return result
+}
+
+function getArray(children, array) {
+  if (Array.isArray(children)) {
+    children.forEach(ele => {
+      if (Array.isArray(ele)) {
+        return getArray(ele, array)
+      }
+      array.push(ele)
+    })
+  } else {
+    array.push(children)
+  }
+}
+
+function handleArray(result, array, func, context, index) {
+  for (let i = 0; i < array.length; i++) {
+    const item = array[i];
+    const res = func.call(context, item, index++)
+    if (Array.isArray(res) && res.length) {
+      res.forEach(ele => {
+        result.push(ele)
+      })
+    } else {
+      result.push(res)
+    }
+  }
 }
 
 export {