diff --git a/src/Notes-master/res/drawable/bg_agenda_item_selector.xml b/src/Notes-master/res/drawable/bg_agenda_item_selector.xml
new file mode 100644
index 0000000..4c3f425
--- /dev/null
+++ b/src/Notes-master/res/drawable/bg_agenda_item_selector.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <!-- 按下状态：灰色 -->
+    <item android:state_pressed="true">
+        <shape>
+            <solid android:color="#E0E0E0" />
+        </shape>
+    </item>
+    <!-- 默认状态：透明 -->
+    <item>
+        <shape>
+            <solid android:color="@android:color/transparent" />
+        </shape>
+    </item>
+</selector>
\ No newline at end of file
diff --git a/src/Notes-master/res/drawable/bg_char_count.xml b/src/Notes-master/res/drawable/bg_char_count.xml
new file mode 100644
index 0000000..88e47d2
--- /dev/null
+++ b/src/Notes-master/res/drawable/bg_char_count.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="#80000000" /> <!-- 半透明黑色 -->
+    <corners android:radius="12dp" />   <!-- 圆角 -->
+    <padding
+        android:left="8dp"
+        android:top="4dp"
+        android:right="8dp"
+        android:bottom="4dp" />
+</shape>
\ No newline at end of file
diff --git a/src/Notes-master/res/drawable/bg_folder_tab_selector.xml b/src/Notes-master/res/drawable/bg_folder_tab_selector.xml
new file mode 100644
index 0000000..bdf0bbe
--- /dev/null
+++ b/src/Notes-master/res/drawable/bg_folder_tab_selector.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_pressed="true">
+        <shape android:shape="rectangle">
+            <solid android:color="#FFEAD1AE"/>
+            <corners android:radius="4dp"/>
+        </shape>
+    </item>
+    <item android:state_selected="true">
+        <shape android:shape="rectangle">
+            <solid android:color="#FFD700"/>
+            <corners android:radius="4dp"/>
+        </shape>
+    </item>
+    <item>
+        <shape android:shape="rectangle">
+            <solid android:color="#00000000"/> <!-- Transparent -->
+            <corners android:radius="4dp"/>
+        </shape>
+    </item>
+</selector>
diff --git a/src/Notes-master/res/drawable/checkbox_checked.xml b/src/Notes-master/res/drawable/checkbox_checked.xml
new file mode 100644
index 0000000..3b95564
--- /dev/null
+++ b/src/Notes-master/res/drawable/checkbox_checked.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <!-- 第一层：绿色背景方框 -->
+    <item>
+        <shape android:shape="rectangle">
+            <solid android:color="#4CAF50" />
+            <corners android:radius="4dp" />
+        </shape>
+    </item>
+    <!-- 第二层：白色对勾 (使用系统自带的对勾图案) -->
+    <item
+        android:drawable="@android:drawable/checkbox_on_background"
+        android:top="2dp"
+        android:bottom="2dp"
+        android:left="2dp"
+        android:right="2dp" />
+</layer-list>
\ No newline at end of file
diff --git a/src/Notes-master/res/drawable/checkbox_unchecked.xml b/src/Notes-master/res/drawable/checkbox_unchecked.xml
new file mode 100644
index 0000000..9eb8f3d
--- /dev/null
+++ b/src/Notes-master/res/drawable/checkbox_unchecked.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <!-- 内部填充透明 -->
+    <solid android:color="@android:color/transparent" />
+    <!-- 边框颜色和粗细 -->
+    <stroke
+        android:width="2dp"
+        android:color="#BDBDBD" />
+    <!-- 圆角处理 -->
+    <corners android:radius="4dp" />
+    <size
+        android:width="20dp"
+        android:height="20dp" />
+</shape>
\ No newline at end of file
diff --git a/src/Notes-master/res/layout/activity_login.xml b/src/Notes-master/res/layout/activity_login.xml
new file mode 100644
index 0000000..519deca
--- /dev/null
+++ b/src/Notes-master/res/layout/activity_login.xml
@@ -0,0 +1,64 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:padding="32dp"
+    android:gravity="center_vertical"
+    android:background="@color/main_background_gray">
+
+    <ImageView
+        android:layout_width="80dp"
+        android:layout_height="80dp"
+        android:layout_gravity="center_horizontal"
+        android:src="@drawable/icon_app"
+        android:layout_marginBottom="32dp" />
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="小米便签"
+        android:textSize="24sp"
+        android:textStyle="bold"
+        android:textColor="@color/primary_text_black"
+        android:layout_gravity="center_horizontal"
+        android:layout_marginBottom="48dp" />
+
+    <EditText
+        android:id="@+id/et_email"
+        android:layout_width="match_parent"
+        android:layout_height="56dp"
+        android:hint="电子邮箱"
+        android:inputType="textEmailAddress"
+        android:paddingLeft="16dp"
+        android:background="@android:drawable/editbox_background_normal"
+        android:layout_marginBottom="16dp" />
+
+    <EditText
+        android:id="@+id/et_password"
+        android:layout_width="match_parent"
+        android:layout_height="56dp"
+        android:hint="密码"
+        android:inputType="textPassword"
+        android:paddingLeft="16dp"
+        android:background="@android:drawable/editbox_background_normal"
+        android:layout_marginBottom="24dp" />
+
+    <Button
+        android:id="@+id/btn_login"
+        android:layout_width="match_parent"
+        android:layout_height="56dp"
+        android:text="登录 / 注册"
+        android:backgroundTint="@color/mi_gold"
+        android:textColor="@android:color/black"
+        android:textSize="16sp" />
+
+    <ProgressBar
+        android:id="@+id/loading_bar"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_horizontal"
+        android:layout_marginTop="16dp"
+        android:visibility="gone" />
+
+</LinearLayout>
\ No newline at end of file
diff --git a/src/Notes-master/res/layout/agenda_item.xml b/src/Notes-master/res/layout/agenda_item.xml
new file mode 100644
index 0000000..4e41226
--- /dev/null
+++ b/src/Notes-master/res/layout/agenda_item.xml
@@ -0,0 +1,57 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="horizontal"
+    android:gravity="center_vertical"
+    android:padding="12dp"
+    android:background="@drawable/bg_agenda_item_selector"> <!-- 需定义点击波纹 -->
+
+    <!-- 左侧 1/4 区域：清单符 + 时间 -->
+    <LinearLayout
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_weight="1.2"
+        android:orientation="horizontal"
+        android:gravity="center_vertical">
+
+        <!-- 清单符 -->
+        <ImageView
+            android:id="@+id/iv_agenda_check"
+            android:layout_width="20dp"
+            android:layout_height="20dp"
+            android:src="@drawable/checkbox_unchecked" /> <!-- 需准备白色方块和绿色对勾图标 -->
+
+        <!-- 时间标签 -->
+        <TextView
+            android:id="@+id/tv_agenda_time"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginLeft="8dp"
+            android:text="16:00"
+            android:textSize="14sp"
+            android:textColor="#666666"
+            android:textStyle="bold"/>
+    </LinearLayout>
+
+    <!-- 右侧 3/4 区域：事项内容 -->
+    <TextView
+        android:id="@+id/tv_agenda_content"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_weight="3"
+        android:text="去机场接导师"
+        android:textSize="16sp"
+        android:textColor="#333333"
+        android:paddingLeft="12dp"/>
+
+    <!-- 删除按钮 (默认隐藏，侧滑或长按显示，这里简单起见放最右侧) -->
+    <ImageView
+        android:id="@+id/btn_agenda_delete"
+        android:layout_width="24dp"
+        android:layout_height="24dp"
+        android:src="@android:drawable/ic_menu_delete"
+        android:alpha="0.3"
+        android:padding="4dp"/>
+
+</LinearLayout>
\ No newline at end of file
diff --git a/src/Notes-master/res/layout/folder_tab_item.xml b/src/Notes-master/res/layout/folder_tab_item.xml
new file mode 100644
index 0000000..6187130
--- /dev/null
+++ b/src/Notes-master/res/layout/folder_tab_item.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<TextView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/tv_folder_tab_name"
+    android:layout_width="wrap_content"
+    android:layout_height="match_parent"
+    android:layout_marginRight="10dp"
+    android:background="@drawable/bg_folder_tab_selector"
+    android:gravity="center"
+    android:paddingLeft="16dp"
+    android:paddingRight="16dp"
+    android:textColor="@color/primary_text_black"
+    android:textSize="14sp"
+    android:clickable="true"
+    android:focusable="true" />
diff --git a/src/Notes-master/res/layout/fragment_agenda.xml b/src/Notes-master/res/layout/fragment_agenda.xml
new file mode 100644
index 0000000..f83c2a2
--- /dev/null
+++ b/src/Notes-master/res/layout/fragment_agenda.xml
@@ -0,0 +1,116 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:background="#FFFFFF">
+
+    <!-- 1. 日历 -->
+    <CalendarView
+        android:id="@+id/calendar_view"
+        android:layout_width="match_parent"
+        android:layout_height="320dp"
+        android:background="#F9F9F9" />
+
+    <!-- 2. 日期标题 -->
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:padding="12dp"
+        android:background="#F0F0F0"
+        android:gravity="center_vertical"
+        android:orientation="horizontal">
+
+        <View android:layout_width="4dp" android:layout_height="24dp" android:background="@color/mi_gold" />
+
+        <TextView
+            android:id="@+id/tv_agenda_date_header"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:layout_marginLeft="10dp"
+            android:textStyle="bold"
+            android:textColor="#333333"
+            android:gravity="center_vertical"/>
+
+        <!-- [新增] 切换按钮 -->
+        <ImageButton
+            android:id="@+id/btn_toggle_calendar"
+            android:layout_width="40dp"
+            android:layout_height="40dp"
+            android:background="?android:attr/selectableItemBackgroundBorderless"
+            android:src="@android:drawable/arrow_up_float"
+            android:contentDescription="收起日历" />
+    </LinearLayout>
+
+    <!-- 3. 列表区域 -->
+    <FrameLayout
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_weight="1">
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/agenda_list"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent" />
+
+        <!-- [核心 ID] 空状态容器 -->
+        <LinearLayout
+            android:id="@+id/ll_empty_state"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center"
+            android:gravity="center"
+            android:orientation="vertical"
+            android:visibility="gone">
+            <ImageView
+                android:layout_width="64dp"
+                android:layout_height="64dp"
+                android:src="@android:drawable/ic_menu_today"
+                android:alpha="0.2" />
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="暂无日程安排"
+                android:textColor="#CCCCCC" />
+        </LinearLayout>
+    </FrameLayout>
+
+    <!-- 4. 快速添加栏 -->
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:padding="8dp"
+        android:background="#F5F5F5"
+        android:gravity="center_vertical"
+        android:orientation="horizontal">
+
+        <!-- [新增] 时间选择按钮 -->
+        <TextView
+            android:id="@+id/tv_set_quick_time"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="全天"
+            android:padding="8dp"
+            android:textColor="@color/mi_gold"
+            android:textStyle="bold"
+            android:background="?attr/selectableItemBackground" />
+
+        <EditText
+            android:id="@+id/et_quick_add"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:hint="快速添加今日事项..."
+            android:textSize="14sp"
+            android:background="@null"
+            android:padding="10dp"/>
+
+        <Button
+            android:id="@+id/btn_quick_add"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="添加"
+            style="?android:attr/borderlessButtonStyle" />
+    </LinearLayout>
+</LinearLayout>
\ No newline at end of file
diff --git a/src/Notes-master/res/menu/bottom_nav_menu.xml b/src/Notes-master/res/menu/bottom_nav_menu.xml
new file mode 100644
index 0000000..98ae809
--- /dev/null
+++ b/src/Notes-master/res/menu/bottom_nav_menu.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+    <item
+        android:id="@+id/nav_notes"
+        android:icon="@android:drawable/ic_menu_edit"
+        android:title="便签" />
+    <item
+        android:id="@+id/nav_agenda"
+        android:icon="@android:drawable/ic_menu_today"
+        android:title="日程" />
+    <item
+        android:id="@+id/nav_ai"
+        android:icon="@android:drawable/ic_menu_view"
+        android:title="AI助手" />
+</menu>
\ No newline at end of file
diff --git a/src/Notes-master/res/menu/note_edit.xml b/src/Notes-master/res/menu/note_edit.xml
index 5dd259f..fc2c1e2 100644
--- a/src/Notes-master/res/menu/note_edit.xml
+++ b/src/Notes-master/res/menu/note_edit.xml
@@ -37,4 +37,10 @@
     <item
         android:id="@+id/menu_delete_remind"
         android:title="@string/menu_remove_remind" />
+
+    <item
+        android:id="@+id/menu_add_to_agenda_ai"
+        android:title="添加到日程"
+        android:icon="@android:drawable/ic_menu_my_calendar"
+        android:showAsAction="never" />
 </menu>
\ No newline at end of file