diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000000000000000000000000000000000000..5d486ed371ccdc26395fca5155dfd11967c91690
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2022 farewell-cool-breeze
+
+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/App.js b/src/App.js
index 37845757234ccb68531c10cf7a2ffc589c47e342..748c47bca463c506a6d80849794adcaf1383e80b 100644
--- a/src/App.js
+++ b/src/App.js
@@ -15,7 +15,7 @@ function App() {
           target="_blank"
           rel="noopener noreferrer"
         >
-          Learn React
+          Learn React 
         </a>
       </header>
     </div>
diff --git a/src/utils.js b/src/utils.js
new file mode 100644
index 0000000000000000000000000000000000000000..cf3d51062a3b0088187ea75453f5440797b3faa2
--- /dev/null
+++ b/src/utils.js
@@ -0,0 +1,3 @@
+const name = "李四";
+const age = 20;
+const sex = "男";