diff --git a/src/main/res/drawable/bg_btn_extract_image.xml b/src/main/res/drawable/bg_btn_extract_image.xml
new file mode 100644
index 0000000..5bf89bc
--- /dev/null
+++ b/src/main/res/drawable/bg_btn_extract_image.xml
@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_pressed="true">
+        <layer-list>
+            <item>
+                <shape android:shape="rectangle">
+                    <solid android:color="#F5F5F5" />
+                    <corners android:radius="4dp" />
+                    <stroke android:width="1dp" android:color="#BDBDBD" />
+                </shape>
+            </item>
+            <item android:gravity="center">
+                <vector xmlns:android="http://schemas.android.com/apk/res/android"
+                    android:width="24dp"
+                    android:height="24dp"
+                    android:viewportWidth="24"
+                    android:viewportHeight="24">
+                    <path
+                        android:fillColor="#F57C00"
+                        android:pathData="M7,4L5,4L5,6L7,6L7,4ZM19,4L17,4L17,6L19,6L19,4ZM6,5L6,7L4,7L4,5L6,5ZM18,5L18,7L20,7L20,5L18,5ZM4,8L6,8L6,16L4,16L4,8ZM20,8L18,8L18,16L20,16L20,8ZM7,18L5,18L5,20L7,20L7,18ZM19,18L17,18L17,20L19,20L19,18ZM12,8L8,12L12,16L16,12L12,8ZM12,10L14,12L12,14L10,12L12,10Z"/>
+                </vector>
+            </item>
+        </layer-list>
+    </item>
+    <item>
+        <layer-list>
+            <item>
+                <shape android:shape="rectangle">
+                    <solid android:color="#FFFFFF" />
+                    <corners android:radius="4dp" />
+                    <stroke android:width="1dp" android:color="#E0E0E0" />
+                </shape>
+            </item>
+            <item android:gravity="center">
+                <vector xmlns:android="http://schemas.android.com/apk/res/android"
+                    android:width="24dp"
+                    android:height="24dp"
+                    android:viewportWidth="24"
+                    android:viewportHeight="24">
+                    <path
+                        android:fillColor="#FF9800"
+                        android:pathData="M7,4L5,4L5,6L7,6L7,4ZM19,4L17,4L17,6L19,6L19,4ZM6,5L6,7L4,7L4,5L6,5ZM18,5L18,7L20,7L20,5L18,5ZM4,8L6,8L6,16L4,16L4,8ZM20,8L18,8L18,16L20,16L20,8ZM7,18L5,18L5,20L7,20L7,18ZM19,18L17,18L17,20L19,20L19,18ZM12,8L8,12L12,16L16,12L12,8ZM12,10L14,12L12,14L10,12L12,10Z"/>
+                </vector>
+            </item>
+        </layer-list>
+    </item>
+</selector>
\ No newline at end of file
diff --git a/src/main/res/drawable/bn_btn_extract_image.jpg b/src/main/res/drawable/bn_btn_extract_image.jpg
new file mode 100644
index 0000000..5cd43b3
Binary files /dev/null and b/src/main/res/drawable/bn_btn_extract_image.jpg differ
diff --git a/src/main/res/drawable/ic_format_bold.xml b/src/main/res/drawable/ic_format_bold.xml
deleted file mode 100644
index 6440c7e..0000000
--- a/src/main/res/drawable/ic_format_bold.xml
+++ /dev/null
@@ -1,3 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android" android:width="24dp" android:height="24dp" android:viewportWidth="24" android:viewportHeight="24">
-    <path android:fillColor="#000000" android:pathData="M6,5v14h2V5H6zm5,0v14h2V5h-2zm5,0v14h2V5h-2z"/>
-</vector>
\ No newline at end of file
diff --git a/src/main/res/drawable/ic_format_color_bold.png b/src/main/res/drawable/ic_format_color_bold.png
new file mode 100644
index 0000000..b877ab8
Binary files /dev/null and b/src/main/res/drawable/ic_format_color_bold.png differ
diff --git a/src/main/res/drawable/ic_format_color_fill.png b/src/main/res/drawable/ic_format_color_fill.png
new file mode 100644
index 0000000..ab75d8b
Binary files /dev/null and b/src/main/res/drawable/ic_format_color_fill.png differ
diff --git a/src/main/res/drawable/ic_format_color_fill.xml b/src/main/res/drawable/ic_format_color_fill.xml
deleted file mode 100644
index cd39dfe..0000000
--- a/src/main/res/drawable/ic_format_color_fill.xml
+++ /dev/null
@@ -1,4 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android" android:width="24dp" android:height="24dp" android:viewportWidth="24" android:viewportHeight="24">
-    <path android:fillColor="#FFFF00" android:pathData="M6,5h12v14H6V5z"/>
-    <path android:fillColor="#000000" android:pathData="M8,7h8v10H8V7z"/>
-</vector>
\ No newline at end of file
diff --git a/src/main/res/drawable/ic_format_color_text.png b/src/main/res/drawable/ic_format_color_text.png
new file mode 100644
index 0000000..645e83f
Binary files /dev/null and b/src/main/res/drawable/ic_format_color_text.png differ
diff --git a/src/main/res/drawable/ic_format_color_text.xml b/src/main/res/drawable/ic_format_color_text.xml
deleted file mode 100644
index 2e504e0..0000000
--- a/src/main/res/drawable/ic_format_color_text.xml
+++ /dev/null
@@ -1,4 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android" android:width="24dp" android:height="24dp" android:viewportWidth="24" android:viewportHeight="24">
-    <path android:fillColor="#000000" android:pathData="M6,5v14h2V5H6zm5,0v14h2V5h-2zm5,0v14h2V5h-2z"/>
-    <path android:fillColor="#FF0000" android:pathData="M12,3v2h8V3H12zm0,18h8v-2h-8v2z"/>
-</vector>
\ No newline at end of file
diff --git a/src/main/res/drawable/ic_format_italic.png b/src/main/res/drawable/ic_format_italic.png
new file mode 100644
index 0000000..bdb9a04
Binary files /dev/null and b/src/main/res/drawable/ic_format_italic.png differ
diff --git a/src/main/res/drawable/ic_format_italic.xml b/src/main/res/drawable/ic_format_italic.xml
deleted file mode 100644
index dc90219..0000000
--- a/src/main/res/drawable/ic_format_italic.xml
+++ /dev/null
@@ -1,3 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android" android:width="24dp" android:height="24dp" android:viewportWidth="24" android:viewportHeight="24">
-    <path android:fillColor="#000000" android:pathData="M10,5v14l-5-7l5-7z"/>
-</vector>
\ No newline at end of file
diff --git a/src/main/res/drawable/ic_format_underlined.png b/src/main/res/drawable/ic_format_underlined.png
new file mode 100644
index 0000000..31ea58c
Binary files /dev/null and b/src/main/res/drawable/ic_format_underlined.png differ
diff --git a/src/main/res/drawable/ic_format_underlined.xml b/src/main/res/drawable/ic_format_underlined.xml
deleted file mode 100644
index 330e631..0000000
--- a/src/main/res/drawable/ic_format_underlined.xml
+++ /dev/null
@@ -1,3 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android" android:width="24dp" android:height="24dp" android:viewportWidth="24" android:viewportHeight="24">
-    <path android:fillColor="#000000" android:pathData="M6,5h12v2H6V5zm0,10h12v2H6V15z"/>
-</vector>
\ No newline at end of file
diff --git a/src/main/res/layout/note_edit.xml b/src/main/res/layout/note_edit.xml
index 06e55b5..28636ba 100644
--- a/src/main/res/layout/note_edit.xml
+++ b/src/main/res/layout/note_edit.xml
@@ -33,7 +33,7 @@
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:background="@color/surface"
-            android:padding="8dp"
+            android:padding="1dp"
             android:elevation="4dp"
             android:gravity="center_vertical">
 
@@ -43,7 +43,7 @@
                 android:layout_height="wrap_content"
                 android:layout_weight="1"
                 android:layout_gravity="left|center_vertical"
-                android:layout_marginRight="8dip"
+                android:layout_marginRight="4dip"
                 android:textAppearance="@style/TextAppearanceSecondaryItem" />
 
             <ImageView
@@ -59,67 +59,62 @@
                 android:layout_height="wrap_content"
                 android:layout_gravity="center_vertical"
                 android:layout_marginLeft="2dip"
-                android:layout_marginRight="8dip"
+                android:layout_marginRight="4dip"
                 android:textAppearance="@style/TextAppearanceSecondaryItem" />
 
             <ImageButton
                 android:id="@+id/btn_undo"
-                android:layout_width="40dp"
-                android:layout_height="40dp"
+                android:layout_width="28dp"
+                android:layout_height="28dp"
                 android:layout_gravity="center"
                 android:background="@android:color/transparent"
-                android:padding="8dp"
+                android:padding="3dp"
                 android:contentDescription="@string/menu_undo"
                 android:src="@drawable/ic_undo"
                 android:tint="@color/onSurface"
                 android:alpha="0.8" />
             <ImageButton
                 android:id="@+id/btn_redo"
-                android:layout_width="40dp"
-                android:layout_height="40dp"
+                android:layout_width="28dp"
+                android:layout_height="28dp"
                 android:layout_gravity="center"
-                android:layout_marginLeft="8dp"
+                android:layout_marginLeft="4dp"
                 android:background="@android:color/transparent"
-                android:padding="8dp"
+                android:padding="3dp"
                 android:contentDescription="@string/menu_redo"
                 android:src="@drawable/ic_redo"
                 android:tint="@color/onSurface"
                 android:alpha="0.8" />
             <ImageButton
                 android:id="@+id/btn_set_bg_color"
-                android:layout_width="40dp"
-                android:layout_height="40dp"
+                android:layout_width="28dp"
+                android:layout_height="28dp"
                 android:layout_gravity="center"
-                android:layout_marginLeft="8dp"
-                android:background="@android:color/transparent"
-                android:padding="8dp"
+                android:layout_marginLeft="4dp"
+                android:background="@drawable/bg_btn_set_color"
+                android:padding="3dp"
                 android:contentDescription="设置背景颜色"
-                android:src="@drawable/ic_format_color_fill"
-                android:tint="@color/primary" />
+                android:alpha="0.8" />
             <ImageButton
                 android:id="@+id/add_img_btn"
-                android:layout_width="40dp"
-                android:layout_height="40dp"
+                android:layout_width="28dp"
+                android:layout_height="28dp"
                 android:layout_gravity="center"
-                android:layout_marginLeft="8dp"
-                android:background="@android:color/transparent"
-                android:padding="8dp"
+                android:layout_marginLeft="4dp"
+                android:background="@drawable/bg_btn_insert_image"
+                android:padding="3dp"
                 android:contentDescription="@string/menu_insert_image"
-                android:src="@android:drawable/ic_menu_camera"
-                android:tint="@color/onSurface"
                 android:alpha="0.8" />
             <ImageButton
                 android:id="@+id/extract_img_btn"
-                android:layout_width="40dp"
-                android:layout_height="40dp"
+                android:layout_width="28dp"
+                android:layout_height="28dp"
                 android:layout_gravity="center"
-                android:layout_marginLeft="8dp"
-                android:layout_marginRight="4dp"
-                android:background="@android:color/transparent"
-                android:padding="8dp"
+                android:layout_marginLeft="4dp"
+                android:layout_marginRight="1dp"
+                android:background="@drawable/bn_btn_extract_image"
+                android:padding="3dp"
                 android:contentDescription="提取图片内容"
-                android:src="@android:drawable/ic_menu_camera"
-                android:tint="@color/onSurface"
                 android:alpha="0.8" />
         </LinearLayout>
 
@@ -129,13 +124,13 @@
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:orientation="vertical"
-            android:padding="16dp"
+            android:padding="12dp"
             android:background="@color/surface">
             <LinearLayout
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:orientation="horizontal"
-                android:padding="4dp">
+                android:padding="2dp">
                 <EditText
                     android:id="@+id/et_title"
                     android:layout_width="0dip"
@@ -143,10 +138,10 @@
                     android:layout_weight="1"
                     android:hint="@string/note_title_placeholder"
                     android:maxLength="50"
-                    android:textSize="20sp"
+                    android:textSize="18sp"
                     android:textColor="@color/onSurface"
                     android:background="@null"
-                    android:padding="8dp"
+                    android:padding="6dp"
                     android:singleLine="true"
                     android:fontFamily="sans-serif-medium" />
                 <TextView
@@ -154,10 +149,10 @@
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
                     android:text="0/50"
-                    android:textSize="14sp"
+                    android:textSize="12sp"
                     android:textColor="@color/onSurface"
                     android:alpha="0.6"
-                    android:layout_marginLeft="8dp"
+                    android:layout_marginLeft="6dp"
                     android:gravity="center_vertical" />
             </LinearLayout>
             <View
@@ -172,73 +167,68 @@
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:orientation="horizontal"
-            android:padding="8dp"
+            android:padding="2dp"
             android:background="@color/surface"
             android:elevation="2dp">
             
             <!-- 加粗按钮 -->
             <ImageButton
                 android:id="@+id/btn_bold"
-                android:layout_width="48dp"
-                android:layout_height="48dp"
+                android:layout_width="36dp"
+                android:layout_height="36dp"
                 android:layout_gravity="center"
-                android:background="@android:color/transparent"
-                android:padding="12dp"
+                android:background="@drawable/ic_format_color_bold"
+                android:padding="3dp"
                 android:contentDescription="@string/menu_bold"
-                android:src="@drawable/ic_format_bold"
-                android:tint="@color/onSurface" />
+                android:alpha="0.8" />
             
             <!-- 斜体按钮 -->
             <ImageButton
                 android:id="@+id/btn_italic"
-                android:layout_width="48dp"
-                android:layout_height="48dp"
+                android:layout_width="36dp"
+                android:layout_height="36dp"
                 android:layout_gravity="center"
-                android:layout_marginLeft="8dp"
-                android:background="@android:color/transparent"
-                android:padding="12dp"
+                android:layout_marginLeft="4dp"
+                android:background="@drawable/ic_format_italic"
+                android:padding="3dp"
                 android:contentDescription="@string/menu_italic"
-                android:src="@drawable/ic_format_italic"
-                android:tint="@color/onSurface" />
+                android:alpha="0.8" />
             
             <!-- 下划线按钮 -->
             <ImageButton
                 android:id="@+id/btn_underline"
-                android:layout_width="48dp"
-                android:layout_height="48dp"
+                android:layout_width="36dp"
+                android:layout_height="36dp"
                 android:layout_gravity="center"
-                android:layout_marginLeft="8dp"
-                android:background="@android:color/transparent"
-                android:padding="12dp"
+                android:layout_marginLeft="4dp"
+                android:background="@drawable/ic_format_underlined"
+                android:padding="3dp"
                 android:contentDescription="@string/menu_underline"
-                android:src="@drawable/ic_format_underlined"
-                android:tint="@color/onSurface" />
+                android:alpha="0.8" />
             
             <!-- 文本颜色按钮 -->
             <ImageButton
                 android:id="@+id/btn_text_color"
-                android:layout_width="48dp"
-                android:layout_height="48dp"
+                android:layout_width="36dp"
+                android:layout_height="36dp"
                 android:layout_gravity="center"
-                android:layout_marginLeft="8dp"
-                android:background="@android:color/transparent"
-                android:padding="12dp"
+                android:layout_marginLeft="4dp"
+                android:background="@drawable/ic_format_color_text"
+                android:padding="3dp"
                 android:contentDescription="@string/menu_text_color"
-                android:src="@drawable/ic_format_color_text"
-                android:tint="@color/onSurface" />
+                android:alpha="0.8" />
             
             <!-- 高亮按钮 -->
             <ImageButton
                 android:id="@+id/btn_highlight"
-                android:layout_width="48dp"
-                android:layout_height="48dp"
+                android:layout_width="36dp"
+                android:layout_height="36dp"
                 android:layout_gravity="center"
-                android:layout_marginLeft="8dp"
-                android:background="@android:color/transparent"
-                android:padding="12dp"
+                android:layout_marginLeft="4dp"
+                android:background="@drawable/ic_format_color_fill"
+                android:padding="3dp"
                 android:contentDescription="@string/menu_highlight"
-                android:src="@drawable/ic_format_color_fill"
-                android:tint="@color/onSurface" />
+                android:alpha="0.8" />
         </LinearLayout>
 
         <LinearLayout