diff --git a/src/mi_note/app/src/main/java/net/micode/notes/model/WorkingNote.java b/src/mi_note/app/src/main/java/net/micode/notes/model/WorkingNote.java
index 714683d..9236f2b 100644
--- a/src/mi_note/app/src/main/java/net/micode/notes/model/WorkingNote.java
+++ b/src/mi_note/app/src/main/java/net/micode/notes/model/WorkingNote.java
@@ -56,10 +56,10 @@ public class WorkingNote {
     // 便签的背景颜色
     private int mBgColorId;
 
-    // 便签的小组件ID
+    // 便签的小部件ID
     private int mWidgetId;
 
-    // 便签的小组件类型
+    // 便签的小部件类型
     private int mWidgetType;
 
     // 便签所处的文件夹ID
@@ -461,12 +461,12 @@ public class WorkingNote {
         return mFolderId;
     }
 
-    // 获取小组件ID
+    // 获取小部件ID
     public int getWidgetId() {
         return mWidgetId;
     }
 
-    // 获取小组件类型
+    // 获取小部件类型
     public int getWidgetType() {
         return mWidgetType;
     }
@@ -489,7 +489,7 @@ public class WorkingNote {
 
         /**
          * Call when user create note from widget
-         * 用户从小组件创建便签时被调用
+         * 用户从小部件创建便签时被调用
          */
         void onWidgetChanged();
 
diff --git a/src/mi_note/app/src/main/java/net/micode/notes/tool/DataUtils.java b/src/mi_note/app/src/main/java/net/micode/notes/tool/DataUtils.java
index 2a14982..28a7a9e 100644
--- a/src/mi_note/app/src/main/java/net/micode/notes/tool/DataUtils.java
+++ b/src/mi_note/app/src/main/java/net/micode/notes/tool/DataUtils.java
@@ -34,9 +34,21 @@ import net.micode.notes.ui.NotesListAdapter.AppWidgetAttribute;
 import java.util.ArrayList;
 import java.util.HashSet;
 
-
+/**
+ * @author hzx
+ * 版本：1.0
+ * 创建日期：2023/10/29
+ * 描述：DataUtils 数据处理工具类
+ */
 public class DataUtils {
     public static final String TAG = "DataUtils";
+
+    /**
+     * 批量删除便签
+     * @param resolver 内容解析器
+     * @param ids 便签ID集合
+     * @return 是否成功
+     */
     public static boolean batchDeleteNotes(ContentResolver resolver, HashSet<Long> ids) {
         if (ids == null) {
             Log.d(TAG, "the ids is null");
@@ -47,19 +59,26 @@ public class DataUtils {
             return true;
         }
 
+        // 内容操作列表
         ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
+        // 遍历便签ID集合
         for (long id : ids) {
-            if(id == Notes.ID_ROOT_FOLDER) {
+            if(id == Notes.ID_ROOT_FOLDER) { // 如果是根文件夹
+                // 根文件夹不能被删除
                 Log.e(TAG, "Don't delete system folder root");
                 continue;
             }
+            // 创建一个删除操作
             ContentProviderOperation.Builder builder = ContentProviderOperation
                     .newDelete(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id));
+            // 将删除操作加入到操作列表中
             operationList.add(builder.build());
         }
         try {
+            // 批量处理删除便签的操作
             ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);
             if (results == null || results.length == 0 || results[0] == null) {
+                // 删除便签失败
                 Log.d(TAG, "delete notes failed, ids:" + ids.toString());
                 return false;
             }
@@ -67,6 +86,7 @@ public class DataUtils {
         } catch (RemoteException e) {
             Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
         } catch (OperationApplicationException e) {
+            // 执行删除操作发生错误
             Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
         }
         return false;
diff --git a/src/mi_note/app/src/main/java/net/micode/notes/tool/GTaskStringUtils.java b/src/mi_note/app/src/main/java/net/micode/notes/tool/GTaskStringUtils.java
index 666b729..2ee1a07 100644
--- a/src/mi_note/app/src/main/java/net/micode/notes/tool/GTaskStringUtils.java
+++ b/src/mi_note/app/src/main/java/net/micode/notes/tool/GTaskStringUtils.java
@@ -16,6 +16,12 @@
 
 package net.micode.notes.tool;
 
+/**
+ * @author hzx
+ * 版本：1.0
+ * 创建日期：2023/10/29
+ * 描述：GTaskStringUtils google账号同步的字符串工具类，封装一些字符串常量
+ */
 public class GTaskStringUtils {
 
     public final static String GTASK_JSON_ACTION_ID = "action_id";
diff --git a/src/mi_note/app/src/main/java/net/micode/notes/tool/ResourceParser.java b/src/mi_note/app/src/main/java/net/micode/notes/tool/ResourceParser.java
index 1ad3ad6..b62f8eb 100644
--- a/src/mi_note/app/src/main/java/net/micode/notes/tool/ResourceParser.java
+++ b/src/mi_note/app/src/main/java/net/micode/notes/tool/ResourceParser.java
@@ -22,24 +22,43 @@ import android.preference.PreferenceManager;
 import net.micode.notes.R;
 import net.micode.notes.ui.NotesPreferenceActivity;
 
+/**
+ * @author hzx
+ * 版本：1.0
+ * 创建日期：2023/10/29
+ * 描述：ResourceParser 资源解析器
+ * 封装了一些颜色和字体大小常量，能够通过颜色或字体大小ID获取资源ID
+ */
 public class ResourceParser {
 
+    /**
+     * 颜色常量
+     */
     public static final int YELLOW           = 0;
     public static final int BLUE             = 1;
     public static final int WHITE            = 2;
     public static final int GREEN            = 3;
     public static final int RED              = 4;
 
+    // 默认的颜色 黄色 0
     public static final int BG_DEFAULT_COLOR = YELLOW;
 
+    /**
+     * 字体大小常量
+     */
     public static final int TEXT_SMALL       = 0;
     public static final int TEXT_MEDIUM      = 1;
     public static final int TEXT_LARGE       = 2;
     public static final int TEXT_SUPER       = 3;
 
+    // 默认的字体大小 中等 1
     public static final int BG_DEFAULT_FONT_SIZE = TEXT_MEDIUM;
 
+    /**
+     * 便签背景资源类
+     */
     public static class NoteBgResources {
+        // 编辑界面背景资源数组
         private final static int [] BG_EDIT_RESOURCES = new int [] {
             R.drawable.edit_yellow,
             R.drawable.edit_blue,
@@ -48,6 +67,7 @@ public class ResourceParser {
             R.drawable.edit_red
         };
 
+        // 编辑标题背景资源数组
         private final static int [] BG_EDIT_TITLE_RESOURCES = new int [] {
             R.drawable.edit_title_yellow,
             R.drawable.edit_title_blue,
@@ -56,25 +76,39 @@ public class ResourceParser {
             R.drawable.edit_title_red
         };
 
+        // 根据背景颜色ID获取便签背景资源ID
         public static int getNoteBgResource(int id) {
             return BG_EDIT_RESOURCES[id];
         }
 
+        // 根据背景颜色ID获取便签标题背景资源ID
         public static int getNoteTitleBgResource(int id) {
             return BG_EDIT_TITLE_RESOURCES[id];
         }
     }
 
+    /**
+     * 获取默认的背景颜色ID
+     * @param context 上下文
+     * @return 背景颜色ID
+     */
     public static int getDefaultBgId(Context context) {
         if (PreferenceManager.getDefaultSharedPreferences(context).getBoolean(
                 NotesPreferenceActivity.PREFERENCE_SET_BG_COLOR_KEY, false)) {
+            // 设置了随机背景颜色
+            // 返回一个随机背景颜色ID
             return (int) (Math.random() * NoteBgResources.BG_EDIT_RESOURCES.length);
         } else {
+            // 返回默认的背景颜色ID
             return BG_DEFAULT_COLOR;
         }
     }
 
+    /**
+     * 便签列表项背景颜色资源静态类
+     */
     public static class NoteItemBgResources {
+        // 开头背景资源
         private final static int [] BG_FIRST_RESOURCES = new int [] {
             R.drawable.list_yellow_up,
             R.drawable.list_blue_up,
@@ -83,6 +117,7 @@ public class ResourceParser {
             R.drawable.list_red_up
         };
 
+        // 正常背景资源
         private final static int [] BG_NORMAL_RESOURCES = new int [] {
             R.drawable.list_yellow_middle,
             R.drawable.list_blue_middle,
@@ -91,6 +126,7 @@ public class ResourceParser {
             R.drawable.list_red_middle
         };
 
+        // 结尾背景资源
         private final static int [] BG_LAST_RESOURCES = new int [] {
             R.drawable.list_yellow_down,
             R.drawable.list_blue_down,
@@ -99,6 +135,7 @@ public class ResourceParser {
             R.drawable.list_red_down,
         };
 
+        // 单独的背景资源
         private final static int [] BG_SINGLE_RESOURCES = new int [] {
             R.drawable.list_yellow_single,
             R.drawable.list_blue_single,
@@ -107,28 +144,37 @@ public class ResourceParser {
             R.drawable.list_red_single
         };
 
+        // 根据背景颜色ID获取开头背景资源ID
         public static int getNoteBgFirstRes(int id) {
             return BG_FIRST_RESOURCES[id];
         }
 
+        // 根据背景颜色ID获取结尾背景资源ID
         public static int getNoteBgLastRes(int id) {
             return BG_LAST_RESOURCES[id];
         }
 
+        // 根据背景颜色ID获取单独的背景资源ID
         public static int getNoteBgSingleRes(int id) {
             return BG_SINGLE_RESOURCES[id];
         }
 
+        // 根据背景颜色ID获取普通背景资源ID
         public static int getNoteBgNormalRes(int id) {
             return BG_NORMAL_RESOURCES[id];
         }
 
+        // 获取文件夹背景资源ID
         public static int getFolderBgRes() {
             return R.drawable.list_folder;
         }
     }
 
+    /**
+     * 小部件背景资源静态类
+     */
     public static class WidgetBgResources {
+        // 2x的小部件背景资源
         private final static int [] BG_2X_RESOURCES = new int [] {
             R.drawable.widget_2x_yellow,
             R.drawable.widget_2x_blue,
@@ -137,10 +183,12 @@ public class ResourceParser {
             R.drawable.widget_2x_red,
         };
 
+        // 根据背景颜色ID获取小部件背景资源ID
         public static int getWidget2xBgResource(int id) {
             return BG_2X_RESOURCES[id];
         }
 
+        // 4x的小部件背景资源
         private final static int [] BG_4X_RESOURCES = new int [] {
             R.drawable.widget_4x_yellow,
             R.drawable.widget_4x_blue,
@@ -149,12 +197,17 @@ public class ResourceParser {
             R.drawable.widget_4x_red
         };
 
+        // 根据背景颜色ID获取小部件背景资源ID
         public static int getWidget4xBgResource(int id) {
             return BG_4X_RESOURCES[id];
         }
     }
 
+    /**
+     * 字体资源静态类
+     */
     public static class TextAppearanceResources {
+        // 字体资源
         private final static int [] TEXTAPPEARANCE_RESOURCES = new int [] {
             R.style.TextAppearanceNormal,
             R.style.TextAppearanceMedium,
@@ -162,18 +215,21 @@ public class ResourceParser {
             R.style.TextAppearanceSuper
         };
 
+        // 根据字体大小ID获取字体资源ID
         public static int getTexAppearanceResource(int id) {
             /**
              * 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}
              */
+            // 防止数组索引越界
             if (id >= TEXTAPPEARANCE_RESOURCES.length) {
                 return BG_DEFAULT_FONT_SIZE;
             }
             return TEXTAPPEARANCE_RESOURCES[id];
         }
 
+        // 获取字体资源数组的长度
         public static int getResourcesSize() {
             return TEXTAPPEARANCE_RESOURCES.length;
         }
diff --git a/src/mi_note/app/src/main/res/drawable-hdpi/edit_title_yellow.9.png b/src/mi_note/app/src/main/res/drawable-hdpi/edit_title_yellow.9.png
index bf8f580..3fb224f 100644
Binary files a/src/mi_note/app/src/main/res/drawable-hdpi/edit_title_yellow.9.png and b/src/mi_note/app/src/main/res/drawable-hdpi/edit_title_yellow.9.png differ