diff --git a/Notes-master/.idea/misc.xml b/Notes-master/.idea/misc.xml
index 208e2c3..72f7ca7 100644
--- a/Notes-master/.idea/misc.xml
+++ b/Notes-master/.idea/misc.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_X" default="true" project-jdk-name="23" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_22" project-jdk-name="23" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>
\ No newline at end of file
diff --git a/Notes-master/.idea/vcs.xml b/Notes-master/.idea/vcs.xml
new file mode 100644
index 0000000..6c0b863
--- /dev/null
+++ b/Notes-master/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/Notes-master/res/menu/note_edit.xml b/Notes-master/res/menu/note_edit.xml
index 35cacd1..cb92988 100644
--- a/Notes-master/res/menu/note_edit.xml
+++ b/Notes-master/res/menu/note_edit.xml
@@ -49,4 +49,7 @@
     <item
         android:id="@+id/menu_delete_remind"
         android:title="@string/menu_remove_remind" />
+    <item
+        android:id="@+id/add_img_btn"
+        android:title="@string/menu_add_image" />
 </menu>
\ No newline at end of file
diff --git a/Notes-master/res/values-zh-rCN/strings.xml b/Notes-master/res/values-zh-rCN/strings.xml
index 09f75ed..fc2dce1 100644
--- a/Notes-master/res/values-zh-rCN/strings.xml
+++ b/Notes-master/res/values-zh-rCN/strings.xml
@@ -58,6 +58,7 @@
     <string name="menu_folder_view">查看文件夹</string>
     <string name="menu_folder_delete">刪除文件夹</string>
     <string name="menu_folder_change_name">修改文件夹名称</string>
+    <string name="menu_add_image">添加图片</string>
     <string name="folder_exist">文件夹 %1$s 已存在,请重新命名</string>
     <string name="menu_share">分享</string>
     <string name="menu_send_to_desktop">发送到桌面</string>
diff --git a/Notes-master/res/values/strings.xml b/Notes-master/res/values/strings.xml
index 55df868..00521ef 100644
--- a/Notes-master/res/values/strings.xml
+++ b/Notes-master/res/values/strings.xml
@@ -69,6 +69,7 @@
     <string name="menu_remove_remind">Delete reminder</string>
     <string name="menu_title_select_folder">Select folder</string>
     <string name="menu_move_parent_folder">Parent folder</string>
+    <string name="menu_add_image">add Image</string>
     <string name="info_note_enter_desktop">Note added to home</string>
     <string name="alert_message_delete_folder">Confirm to delete folder and its notes?</string>
     <string name="alert_title_delete">Delete selected notes</string>
diff --git a/Notes-master/src/net/micode/notes/ui/NoteEditActivity.java b/Notes-master/src/net/micode/notes/ui/NoteEditActivity.java
index 96a9ff8..de98982 100644
--- a/Notes-master/src/net/micode/notes/ui/NoteEditActivity.java
+++ b/Notes-master/src/net/micode/notes/ui/NoteEditActivity.java
@@ -71,7 +71,7 @@ import java.util.Map;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
-
+//笔记编辑功能
 public class NoteEditActivity extends Activity implements OnClickListener,
         NoteSettingChangedListener, OnTextViewChangeListener {
     private class HeadViewHolder {
@@ -83,7 +83,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
 
         public ImageView ibSetBgColor;
     }
-
+    //便签背景选择按钮
     private static final Map<Integer, Integer> sBgSelectorBtnsMap = new HashMap<Integer, Integer>();
     static {
         sBgSelectorBtnsMap.put(R.id.iv_bg_yellow, ResourceParser.YELLOW);
@@ -150,10 +150,11 @@ public class NoteEditActivity extends Activity implements OnClickListener,
     private Pattern mPattern;
 
     @Override
+    //创建时进行初始化操作
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
+        //将布局样式进行添加
         this.setContentView(R.layout.note_edit);
-
         if (savedInstanceState == null && !initActivityState(getIntent())) {
             finish();
             return;
@@ -162,8 +163,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
     }
 
     /**
-     * Current activity may be killed when the memory is low. Once it is killed, for another time
-     * user load this activity, we should restore the former state
+     * 当前Activity可能因内存不足被杀死,再次加载时应恢复之前的状态
      */
     @Override
     protected void onRestoreInstanceState(Bundle savedInstanceState) {
@@ -178,11 +178,10 @@ public class NoteEditActivity extends Activity implements OnClickListener,
             Log.d(TAG, "Restoring from killed activity");
         }
     }
-
+    //初始化活动状态函数
     private boolean initActivityState(Intent intent) {
         /**
-         * If the user specified the {@link Intent#ACTION_VIEW} but not provided with id,
-         * then jump to the NotesListActivity
+         * 如果用户指定查看笔记但未提供ID,跳转到笔记列表页
          */
         mWorkingNote = null;
         if (TextUtils.equals(Intent.ACTION_VIEW, intent.getAction())) {
@@ -190,7 +189,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
             mUserQuery = "";
 
             /**
-             * Starting from the searched result
+             * 如果是从搜索结果启动
              */
             if (intent.hasExtra(SearchManager.EXTRA_DATA_KEY)) {
                 noteId = Long.parseLong(intent.getStringExtra(SearchManager.EXTRA_DATA_KEY));
@@ -211,11 +210,12 @@ public class NoteEditActivity extends Activity implements OnClickListener,
                     return false;
                 }
             }
+            //设置软键盘
             getWindow().setSoftInputMode(
                     WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN
                             | WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);
         } else if(TextUtils.equals(Intent.ACTION_INSERT_OR_EDIT, intent.getAction())) {
-            // New note
+            // 新建笔记
             long folderId = intent.getLongExtra(Notes.INTENT_EXTRA_FOLDER_ID, 0);
             int widgetId = intent.getIntExtra(Notes.INTENT_EXTRA_WIDGET_ID,
                     AppWidgetManager.INVALID_APPWIDGET_ID);
@@ -224,7 +224,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
             int bgResId = intent.getIntExtra(Notes.INTENT_EXTRA_BACKGROUND_ID,
                     ResourceParser.getDefaultBgId(this));
 
-            // Parse call-record note
+            // 解析通话记录笔记
             String phoneNumber = intent.getStringExtra(Intent.EXTRA_PHONE_NUMBER);
             long callDate = intent.getLongExtra(Notes.INTENT_EXTRA_CALL_DATE, 0);
             if (callDate != 0 && phoneNumber != null) {
@@ -263,11 +263,12 @@ public class NoteEditActivity extends Activity implements OnClickListener,
     }
 
     @Override
+    //Activity恢复时调用,初始化笔记界面
     protected void onResume() {
         super.onResume();
         initNoteScreen();
     }
-
+    //设置文本样式、背景等
     private void initNoteScreen() {
         mNoteEditor.setTextAppearance(this, TextAppearanceResources
                 .getTexAppearanceResource(mFontSizeId));
@@ -289,12 +290,11 @@ public class NoteEditActivity extends Activity implements OnClickListener,
                         | DateUtils.FORMAT_SHOW_YEAR));
 
         /**
-         * TODO: Add the menu for setting alert. Currently disable it because the DateTimePicker
-         * is not ready
+         * TODO: 添加设置提醒的菜单,目前因日期选择器未准备好而禁用
          */
         showAlertHeader();
     }
-
+    //显示提醒头部信息,根据是否有提醒的设置显示相应内容
     private void showAlertHeader() {
         if (mWorkingNote.hasClockAlert()) {
             long time = System.currentTimeMillis();
@@ -313,19 +313,17 @@ public class NoteEditActivity extends Activity implements OnClickListener,
     }
 
     @Override
+    //重新初始化活动状态
     protected void onNewIntent(Intent intent) {
         super.onNewIntent(intent);
         initActivityState(intent);
     }
 
     @Override
+    //用于保存笔记id
     protected void onSaveInstanceState(Bundle outState) {
         super.onSaveInstanceState(outState);
-        /**
-         * For new note without note id, we should firstly save it to
-         * generate a id. If the editing note is not worth saving, there
-         * is no id which is equivalent to create new note
-         */
+        //若未保存笔记,则先保存笔记id
         if (!mWorkingNote.existInDatabase()) {
             saveNote();
         }
@@ -334,6 +332,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
     }
 
     @Override
+    //添加触摸事件,处理背景颜色和字体大小选项的显示和隐藏
     public boolean dispatchTouchEvent(MotionEvent ev) {
         if (mNoteBgColorSelector.getVisibility() == View.VISIBLE
                 && !inRangeOfView(mNoteBgColorSelector, ev)) {
@@ -374,6 +373,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
         mNoteEditor = (EditText) findViewById(R.id.note_edit_view);
         mNoteEditorPanel = findViewById(R.id.sv_note_edit);
         mNoteBgColorSelector = findViewById(R.id.note_bg_color_selector);
+        //为控件添加事件监听器,点击时触发当前类的onClick方法
         for (int id : sBgSelectorBtnsMap.keySet()) {
             ImageView iv = (ImageView) findViewById(id);
             iv.setOnClickListener(this);
@@ -387,9 +387,9 @@ public class NoteEditActivity extends Activity implements OnClickListener,
         mSharedPrefs = PreferenceManager.getDefaultSharedPreferences(this);
         mFontSizeId = mSharedPrefs.getInt(PREFERENCE_FONT_SIZE, ResourceParser.BG_DEFAULT_FONT_SIZE);
         /**
-         * HACKME: Fix bug of store the resource id in shared preference.
-         * The id may larger than the length of resources, in this case,
-         * return the {@link ResourceParser#BG_DEFAULT_FONT_SIZE}
+         * HACKME: 修复在 SharedPreferences 中存储资源 id 可能出现的问题。
+         * * 存储的 id 可能会大于资源数组的长度,在这种情况下,
+         * * 返回 {@link ResourceParser#BG_DEFAULT_FONT_SIZE}
          */
         if(mFontSizeId >= TextAppearanceResources.getResourcesSize()) {
             mFontSizeId = ResourceParser.BG_DEFAULT_FONT_SIZE;
@@ -398,21 +398,28 @@ public class NoteEditActivity extends Activity implements OnClickListener,
     }
 
     @Override
+    //当Activity暂停时调用此方法
     protected void onPause() {
+        //调用父类的onPause方法
         super.onPause();
+        //保存笔记
         if(saveNote()) {
+            //记录日志信息
             Log.d(TAG, "Note data was saved with length:" + mWorkingNote.getContent().length());
         }
+        //清除设置状态
         clearSettingState();
     }
-
+    //更新部件的方法
     private void updateWidget() {
         Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
+        //判断部件的类型,并为intent的目标类设置一定的效果
         if (mWorkingNote.getWidgetType() == Notes.TYPE_WIDGET_2X) {
             intent.setClass(this, NoteWidgetProvider_2x.class);
         } else if (mWorkingNote.getWidgetType() == Notes.TYPE_WIDGET_4X) {
             intent.setClass(this, NoteWidgetProvider_4x.class);
         } else {
+            //记录错误日志信息
             Log.e(TAG, "Unspported widget type");
             return;
         }