diff --git a/.idea/CopilotChatHistory.xml b/.idea/CopilotChatHistory.xml
deleted file mode 100644
index 183afa9..0000000
--- a/.idea/CopilotChatHistory.xml
+++ /dev/null
@@ -1,27 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="CopilotChatHistory">
-    <option name="conversations">
-      <list>
-        <Conversation>
-          <option name="createTime" value="1751250353639" />
-          <option name="id" value="0197bea7bde779279917cb804e5ee88c" />
-          <option name="title" value="新对话 2025年6月30日 10:25:53" />
-          <option name="updateTime" value="1751250353639" />
-        </Conversation>
-        <Conversation>
-          <option name="createTime" value="1747188768702" />
-          <option name="id" value="0196cc90dfbe78c5920c82d7d8a91d52" />
-          <option name="title" value="新对话 2025年5月14日 10:12:48" />
-          <option name="updateTime" value="1747188768702" />
-        </Conversation>
-        <Conversation>
-          <option name="createTime" value="1747138499903" />
-          <option name="id" value="0196c991d53f7af28f5401a5deaf4fc6" />
-          <option name="title" value="新对话 2025年5月13日 20:14:59" />
-          <option name="updateTime" value="1747138499903" />
-        </Conversation>
-      </list>
-    </option>
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..35eb1dd
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file