diff --git a/.idea/misc.xml b/.idea/misc.xml
index 0548357..132404b 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,5 +1,13 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="MavenProjectsManager">
+    <option name="originalFiles">
+      <list>
+        <option value="$PROJECT_DIR$/pom.xml" />
+      </list>
+    </option>
+  </component>
   <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
diff --git a/.idea/modules.xml b/.idea/modules.xml
deleted file mode 100644
index 235f566..0000000
--- a/.idea/modules.xml
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectModuleManager">
-    <modules>
-      <module fileurl="file://$PROJECT_DIR$/git-xuexi.iml" filepath="$PROJECT_DIR$/git-xuexi.iml" />
-    </modules>
-  </component>
-</project>
\ No newline at end of file
diff --git a/src/Main.java b/src/main/java/Main.java
similarity index 100%
rename from src/Main.java
rename to src/main/java/Main.java