diff --git a/.idea/AndroidProjectSystem.xml b/.idea/AndroidProjectSystem.xml
new file mode 100644
index 0000000..4a53bee
--- /dev/null
+++ b/.idea/AndroidProjectSystem.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="AndroidProjectSystem">
+    <option name="providerId" value="com.android.tools.idea.GradleProjectSystem" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/gradle.xml b/.idea/gradle.xml
new file mode 100644
index 0000000..1a93c56
--- /dev/null
+++ b/.idea/gradle.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
+  <component name="GradleSettings">
+    <option name="linkedExternalProjectsSettings">
+      <GradleProjectSettings>
+        <option name="testRunner" value="CHOOSE_PER_TEST" />
+        <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="gradleJvm" value="#JAVA_HOME" />
+      </GradleProjectSettings>
+    </option>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..ade1ecd
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="ProjectRootManager">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/runConfigurations.xml b/.idea/runConfigurations.xml
new file mode 100644
index 0000000..16660f1
--- /dev/null
+++ b/.idea/runConfigurations.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RunConfigurationProducerService">
+    <option name="ignoredProducers">
+      <set>
+        <option value="com.intellij.execution.junit.AbstractAllInDirectoryConfigurationProducer" />
+        <option value="com.intellij.execution.junit.AllInPackageConfigurationProducer" />
+        <option value="com.intellij.execution.junit.PatternConfigurationProducer" />
+        <option value="com.intellij.execution.junit.TestInClassConfigurationProducer" />
+        <option value="com.intellij.execution.junit.UniqueIdConfigurationProducer" />
+        <option value="com.intellij.execution.junit.testDiscovery.JUnitTestDiscoveryConfigurationProducer" />
+        <option value="org.jetbrains.kotlin.idea.junit.KotlinJUnitRunConfigurationProducer" />
+        <option value="org.jetbrains.kotlin.idea.junit.KotlinPatternConfigurationProducer" />
+      </set>
+    </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
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
new file mode 100644
index 0000000..2cbe3ad
--- /dev/null
+++ b/.idea/workspace.xml
@@ -0,0 +1,54 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="AutoImportSettings">
+    <option name="autoReloadType" value="NONE" />
+  </component>
+  <component name="ChangeListManager">
+    <list default="true" id="f33312f0-41bf-42e6-85da-92df6629060f" name="Changes" comment="">
+      <change beforePath="$PROJECT_DIR$/Notes-master/AndroidManifest.xml" beforeDir="false" afterPath="$PROJECT_DIR$/Notes-master/AndroidManifest.xml" afterDir="false" />
+    </list>
+    <option name="SHOW_DIALOG" value="false" />
+    <option name="HIGHLIGHT_CONFLICTS" value="true" />
+    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
+    <option name="LAST_RESOLUTION" value="IGNORE" />
+  </component>
+  <component name="ClangdSettings">
+    <option name="formatViaClangd" value="false" />
+  </component>
+  <component name="Git.Settings">
+    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
+  </component>
+  <component name="ProjectColorInfo">{
+  &quot;associatedIndex&quot;: 1
+}</component>
+  <component name="ProjectId" id="2w8SYAIx42GlynORylT2r5AAg3D" />
+  <component name="ProjectViewState">
+    <option name="hideEmptyMiddlePackages" value="true" />
+    <option name="showLibraryContents" value="true" />
+  </component>
+  <component name="PropertiesComponent"><![CDATA[{
+  "keyToString": {
+    "RunOnceActivity.ShowReadmeOnStart": "true",
+    "RunOnceActivity.cidr.known.project.marker": "true",
+    "RunOnceActivity.git.unshallow": "true",
+    "RunOnceActivity.readMode.enableVisualFormatting": "true",
+    "android.gradle.sync.needed": "true",
+    "cf.first.check.clang-format": "false",
+    "cidr.known.project.marker": "true",
+    "git-widget-placeholder": "BrunchLPQ",
+    "kotlin-language-version-configured": "true",
+    "last_opened_file_path": "D:/git/MiUi/Mi_Note"
+  }
+}]]></component>
+  <component name="SpellCheckerSettings" RuntimeDictionaries="0" Folders="0" CustomDictionaries="0" DefaultDictionary="application-level" UseSingleDictionary="true" transferred="true" />
+  <component name="TaskManager">
+    <task active="true" id="Default" summary="Default task">
+      <changelist id="f33312f0-41bf-42e6-85da-92df6629060f" name="Changes" comment="" />
+      <created>1745421753176</created>
+      <option name="number" value="Default" />
+      <option name="presentableId" value="Default" />
+      <updated>1745421753176</updated>
+    </task>
+    <servers />
+  </component>
+</project>
\ No newline at end of file
diff --git a/Mi_Note.iml b/Mi_Note.iml
new file mode 100644
index 0000000..0c84021
--- /dev/null
+++ b/Mi_Note.iml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/Notes-master/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/Notes-master/AndroidManifest.xml b/Notes-master/AndroidManifest.xml
index e5c7d47..a7848cd 100644
--- a/Notes-master/AndroidManifest.xml
+++ b/Notes-master/AndroidManifest.xml
@@ -15,23 +15,50 @@
      limitations under the License.
 -->
 
+
+    <!--查看布局文件的预览效果，在app运行时将不会显示，用来测试-->
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     package="net.micode.notes"
     android:versionCode="1"
     android:versionName="0.1" >
 
-    <uses-sdk android:minSdkVersion="14" />
+    <!--使用的SDK版本从14提高到15-->
+    <uses-sdk android:minSdkVersion="15" />
 
+    <!--应用需要的权限-->
+    <!--WRITE_EXTERNAL_STORAGE允许应用写入外部存储（如 SD 卡或共享存储目录）
+    Android 13 (API 33) 及以上：完全废弃，必须通过 MediaStore 或 Storage Access Framework 访问公共文件-->
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+
+    <!--INSTALL_SHORTCUT允许应用在桌面上创建快捷方式
+    Android 13+：某些设备默认禁用，需用户手动授权-->
     <uses-permission android:name="com.android.launcher.permission.INSTALL_SHORTCUT" />
+
+    <!--INTERNET允许应用访问互联网（如 HTTP/HTTPS 请求）-->
     <uses-permission android:name="android.permission.INTERNET" />
+
+    <!--READ_CONTACTS允许应用读取设备联系人-->
     <uses-permission android:name="android.permission.READ_CONTACTS" />
+
+    <!--MANAGE_ACCOUNTS允许应用管理账户（如添加/删除系统账户）-->
     <uses-permission android:name="android.permission.MANAGE_ACCOUNTS" />
+
+    <!--AUTHENTICATE_ACCOUNTS允许应用作为账户认证服务（如实现自定义账户类型）-->
     <uses-permission android:name="android.permission.AUTHENTICATE_ACCOUNTS" />
+
+    <!--GET_ACCOUNTS允许应用获取设备上的账户列表-->
     <uses-permission android:name="android.permission.GET_ACCOUNTS" />
+
+    <!--USE_CREDENTIALS允许应用使用账户凭据（已废弃）-->
     <uses-permission android:name="android.permission.USE_CREDENTIALS" />
+
+    <!--RECEIVE_BOOT_COMPLETED允许应用接收系统启动完成的广播（用于开机自启）-->
     <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
 
+    <!--应用程序定义 -->
+    <!--android:icon="@drawable/icon_app"用于指定应用的启动图标-->
+    <!--android:label="@string/app_name"用于指定软件名-->
     <application
         android:icon="@drawable/icon_app"
         android:label="@string/app_name" >