diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 00000000..0e40fe8f
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,3 @@
+
+# Default ignored files
+/workspace.xml
\ No newline at end of file
diff --git a/.idea/codeStyles/codeStyleConfig.xml b/.idea/codeStyles/codeStyleConfig.xml
new file mode 100644
index 00000000..a55e7a17
--- /dev/null
+++ b/.idea/codeStyles/codeStyleConfig.xml
@@ -0,0 +1,5 @@
+<component name="ProjectCodeStyleConfiguration">
+  <state>
+    <option name="PREFERRED_PROJECT_CODE_STYLE" value="Default" />
+  </state>
+</component>
\ No newline at end of file
diff --git a/index.html b/index.html
index bb3a6e49..af5a3948 100644
--- a/index.html
+++ b/index.html
@@ -64,6 +64,11 @@ <h4>说明</h4>
 	-- 201021大数据5组</br>
 </p>
 
+<p align="center" style ="color: black;font-weight:bold;font-size:28px;background-color:yellow;;font-family:黑体" >
+
+	好好学习，天天向上<br>
+	--2021年12月27日<br>
+</p>
 
 <p class = "impression" align="center" class ="impression" style="color: red;font-size: 22px;font-family: 楷体">
 	<br/>