diff --git a/src/react/ReactChildren.js b/src/react/ReactChildren.js
index bbc07d81edaad3705a3dca0942e1cbc01bff2624..4dddcfea106219616f76ed48d0d4fc9ab80d50d4 100644
--- a/src/react/ReactChildren.js
+++ b/src/react/ReactChildren.js
@@ -1,6 +1,28 @@
 function mapChildren(children, func, context) {
-    //TODO实现此mapChildren方法
-    return children;
+	var result = [];
+	if (!Array.isArray(children)) children = [children];
+
+	function getKey(prefix, idx, has) {
+		var key = prefix + idx;
+		if (has) key += ":";
+		return key;
+	}
+	function flatten(ary, prefix = ".") {
+		ary.forEach((item, idx) => {
+			if (Array.isArray(item)) flatten(item, getKey(prefix, idx, item.length > 1));
+			else {
+				let temp = func.call(context, item, idx);
+				if (!Array.isArray(temp)) temp = [temp];
+				temp.forEach((val, i) => {
+					let key = prefix + (item.key ? "$" + item.key : idx) + "/." + (val.key ? "$" + val.key : i);
+					val = cloneElement(val, { key });
+					result.push(val);
+				});
+			}
+		});
+	}
+	flatten(children);
+	return result;
 }
 
 export {