diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000000000000000000000000000000000000..9aeae51907afe13d812c22651fb84bc0855fe559
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2020 jbone123
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/src/react/ReactChildren.js b/src/react/ReactChildren.js
index bbc07d81edaad3705a3dca0942e1cbc01bff2624..1cf994b1b62812a5fd751f496fda6c00b5eb40bb 100644
--- a/src/react/ReactChildren.js
+++ b/src/react/ReactChildren.js
@@ -1,8 +1,30 @@
 function mapChildren(children, func, context) {
-    //TODO实现此mapChildren方法
+  //TODO实现此mapChildren方法
+  // return children;
+  let index = 0;
+  let arr = [];
+  if (children == null) {
     return children;
+  }
+  function flat(children) {
+    children.map((item) => {
+      if (Array.isArray(item)) {
+        flat(item);
+      } else {
+        let funcEle = func.call(context, item, index);
+        console.log(funcEle, "funcEle");
+        if (Array.isArray(funcEle)) {
+          arr = arr.concat(funcEle);
+        }
+        index++;
+      }
+      return arr;
+    });
+  }
+  if (Array.isArray(children)) {
+    flat(children);
+  }
+  return arr;
 }
 
-export {
-    mapChildren as map,
-};
\ No newline at end of file
+export { mapChildren as map };