diff --git a/src/Notes-master/res/drawable/action_bg_color.xml b/src/Notes-master/res/drawable/action_bg_color.xml
deleted file mode 100644
index 2a1d558..0000000
--- a/src/Notes-master/res/drawable/action_bg_color.xml
+++ /dev/null
@@ -1,5 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android" android:height="24dp" android:tint="#000000" android:viewportHeight="24" android:viewportWidth="24" android:width="24dp">
-      
-    <path android:fillColor="@android:color/white" android:pathData="M2,20h20v4H2V20zM5.49,17h2.42l1.27,-3.58h5.65L16.09,17h2.42L13.25,3h-2.5L5.49,17zM9.91,11.39l2.03,-5.79h0.12l2.03,5.79H9.91z"/>
-    
-</vector>
diff --git a/src/Notes-master/res/drawable/drawable-hdpi/bg_btn_set_color.png b/src/Notes-master/res/drawable/drawable-hdpi/bg_btn_set_color.png
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diff --git a/src/Notes-master/res/drawable/drawable-hdpi/title_alert.png b/src/Notes-master/res/drawable/drawable-hdpi/title_alert.png
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diff --git a/src/Notes-master/res/drawable/drawable-hdpi/title_bar_bg.9.png b/src/Notes-master/res/drawable/drawable-hdpi/title_bar_bg.9.png
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diff --git a/src/Notes-master/res/drawable/drawable-hdpi/widget_2x_blue.png b/src/Notes-master/res/drawable/drawable-hdpi/widget_2x_blue.png
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diff --git a/src/Notes-master/res/drawable/drawable-hdpi/widget_2x_red.png b/src/Notes-master/res/drawable/drawable-hdpi/widget_2x_red.png
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diff --git a/src/Notes-master/res/drawable/drawable-hdpi/widget_2x_yellow.png b/src/Notes-master/res/drawable/drawable-hdpi/widget_2x_yellow.png
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diff --git a/src/Notes-master/res/drawable/drawable-hdpi/widget_4x_blue.png b/src/Notes-master/res/drawable/drawable-hdpi/widget_4x_blue.png
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diff --git a/src/Notes-master/res/drawable/drawable-hdpi/widget_4x_red.png b/src/Notes-master/res/drawable/drawable-hdpi/widget_4x_red.png
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diff --git a/src/Notes-master/res/drawable/drawable-hdpi/widget_4x_white.png b/src/Notes-master/res/drawable/drawable-hdpi/widget_4x_white.png
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diff --git a/src/Notes-master/res/drawable/drawable-hdpi/widget_4x_yellow.png b/src/Notes-master/res/drawable/drawable-hdpi/widget_4x_yellow.png
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diff --git a/src/Notes-master/res/drawable/drawable/action_bg_color.xml b/src/Notes-master/res/drawable/drawable/action_bg_color.xml
deleted file mode 100644
index 2a1d558..0000000
--- a/src/Notes-master/res/drawable/drawable/action_bg_color.xml
+++ /dev/null
@@ -1,5 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android" android:height="24dp" android:tint="#000000" android:viewportHeight="24" android:viewportWidth="24" android:width="24dp">
-      
-    <path android:fillColor="@android:color/white" android:pathData="M2,20h20v4H2V20zM5.49,17h2.42l1.27,-3.58h5.65L16.09,17h2.42L13.25,3h-2.5L5.49,17zM9.91,11.39l2.03,-5.79h0.12l2.03,5.79H9.91z"/>
-    
-</vector>
diff --git a/src/Notes-master/res/drawable/drawable/action_bold.xml b/src/Notes-master/res/drawable/drawable/action_bold.xml
deleted file mode 100644
index 6f6af0e..0000000
--- a/src/Notes-master/res/drawable/drawable/action_bold.xml
+++ /dev/null
@@ -1,5 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android" android:height="24dp" android:tint="#000000" android:viewportHeight="24" android:viewportWidth="24" android:width="24dp">
-      
-    <path android:fillColor="@android:color/white" android:pathData="M15.6,10.79c0.97,-0.67 1.65,-1.77 1.65,-2.79 0,-2.26 -1.75,-4 -4,-4L7,4v14h7.04c2.09,0 3.71,-1.7 3.71,-3.79 0,-1.52 -0.86,-2.82 -2.15,-3.42zM10,6.5h3c0.83,0 1.5,0.67 1.5,1.5s-0.67,1.5 -1.5,1.5h-3v-3zM13.5,15.5L10,15.5v-3h3.5c0.83,0 1.5,0.67 1.5,1.5s-0.67,1.5 -1.5,1.5z"/>
-    
-</vector>
diff --git a/src/Notes-master/res/drawable/drawable/action_italic.xml b/src/Notes-master/res/drawable/drawable/action_italic.xml
deleted file mode 100644
index 3efecea..0000000
--- a/src/Notes-master/res/drawable/drawable/action_italic.xml
+++ /dev/null
@@ -1,5 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android" android:height="24dp" android:tint="#000000" android:viewportHeight="24" android:viewportWidth="24" android:width="24dp">
-      
-    <path android:fillColor="@android:color/white" android:pathData="M10,4v3h2.21l-3.42,8H6v3h8v-3h-2.21l3.42,-8H18V4z"/>
-    
-</vector>
diff --git a/src/Notes-master/res/drawable/drawable/action_undo.xml b/src/Notes-master/res/drawable/drawable/action_undo.xml
deleted file mode 100644
index a19c057..0000000
--- a/src/Notes-master/res/drawable/drawable/action_undo.xml
+++ /dev/null
@@ -1,5 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android" android:autoMirrored="true" android:height="24dp" android:tint="#000000" android:viewportHeight="24" android:viewportWidth="24" android:width="24dp">
-      
-    <path android:fillColor="@android:color/white" android:pathData="M12.5,8c-2.65,0 -5.05,0.99 -6.9,2.6L2,7v9h9l-3.62,-3.62c1.39,-1.16 3.16,-1.88 5.12,-1.88 3.54,0 6.55,2.31 7.6,5.5l2.37,-0.78C21.08,11.03 17.15,8 12.5,8z"/>
-    
-</vector>
diff --git a/src/Notes-master/res/drawable/drawable/ic_launcher_background.xml b/src/Notes-master/res/drawable/drawable/ic_launcher_background.xml
deleted file mode 100644
index ca3826a..0000000
--- a/src/Notes-master/res/drawable/drawable/ic_launcher_background.xml
+++ /dev/null
@@ -1,74 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<vector
-    android:height="108dp"
-    android:width="108dp"
-    android:viewportHeight="108"
-    android:viewportWidth="108"
-    xmlns:android="http://schemas.android.com/apk/res/android">
-    <path android:fillColor="#3DDC84"
-          android:pathData="M0,0h108v108h-108z"/>
-    <path android:fillColor="#00000000" android:pathData="M9,0L9,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M19,0L19,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M29,0L29,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M39,0L39,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M49,0L49,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M59,0L59,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M69,0L69,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M79,0L79,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M89,0L89,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M99,0L99,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,9L108,9"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,19L108,19"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,29L108,29"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,39L108,39"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,49L108,49"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,59L108,59"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,69L108,69"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,79L108,79"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,89L108,89"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,99L108,99"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M19,29L89,29"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M19,39L89,39"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M19,49L89,49"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M19,59L89,59"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M19,69L89,69"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M19,79L89,79"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M29,19L29,89"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M39,19L39,89"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M49,19L49,89"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M59,19L59,89"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M69,19L69,89"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M79,19L79,89"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-</vector>
diff --git a/src/Notes-master/res/drawable/drawable/ic_launcher_foreground.xml b/src/Notes-master/res/drawable/drawable/ic_launcher_foreground.xml
deleted file mode 100644
index 2b068d1..0000000
--- a/src/Notes-master/res/drawable/drawable/ic_launcher_foreground.xml
+++ /dev/null
@@ -1,30 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:aapt="http://schemas.android.com/aapt"
-    android:width="108dp"
-    android:height="108dp"
-    android:viewportWidth="108"
-    android:viewportHeight="108">
-    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
-        <aapt:attr name="android:fillColor">
-            <gradient
-                android:endX="85.84757"
-                android:endY="92.4963"
-                android:startX="42.9492"
-                android:startY="49.59793"
-                android:type="linear">
-                <item
-                    android:color="#44000000"
-                    android:offset="0.0" />
-                <item
-                    android:color="#00000000"
-                    android:offset="1.0" />
-            </gradient>
-        </aapt:attr>
-    </path>
-    <path
-        android:fillColor="#FFFFFF"
-        android:fillType="nonZero"
-        android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
-        android:strokeWidth="1"
-        android:strokeColor="#00000000" />
-</vector>
\ No newline at end of file
diff --git a/src/Notes-master/res/drawable/drawable/new_note.xml b/src/Notes-master/res/drawable/drawable/new_note.xml
deleted file mode 100644
index 2154ebc..0000000
--- a/src/Notes-master/res/drawable/drawable/new_note.xml
+++ /dev/null
@@ -1,23 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-
-<!-- Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-
-<selector xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:state_pressed="true"
-        android:drawable="@drawable/new_note_pressed" />
-    <item
-        android:drawable="@drawable/new_note_normal" />
-</selector>
diff --git a/src/Notes-master/res/drawable/drawable/new_note_pressed_background.xml b/src/Notes-master/res/drawable/drawable/new_note_pressed_background.xml
deleted file mode 100644
index ca3826a..0000000
--- a/src/Notes-master/res/drawable/drawable/new_note_pressed_background.xml
+++ /dev/null
@@ -1,74 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<vector
-    android:height="108dp"
-    android:width="108dp"
-    android:viewportHeight="108"
-    android:viewportWidth="108"
-    xmlns:android="http://schemas.android.com/apk/res/android">
-    <path android:fillColor="#3DDC84"
-          android:pathData="M0,0h108v108h-108z"/>
-    <path android:fillColor="#00000000" android:pathData="M9,0L9,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M19,0L19,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M29,0L29,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M39,0L39,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M49,0L49,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M59,0L59,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M69,0L69,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M79,0L79,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M89,0L89,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M99,0L99,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,9L108,9"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,19L108,19"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,29L108,29"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,39L108,39"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,49L108,49"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,59L108,59"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,69L108,69"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,79L108,79"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,89L108,89"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,99L108,99"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M19,29L89,29"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M19,39L89,39"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M19,49L89,49"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M19,59L89,59"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M19,69L89,69"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M19,79L89,79"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M29,19L29,89"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M39,19L39,89"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M49,19L49,89"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M59,19L59,89"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M69,19L69,89"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M79,19L79,89"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-</vector>
diff --git a/src/Notes-master/res/layout/note_edit.xml b/src/Notes-master/res/layout/note_edit.xml
index d3842c5..52738c5 100644
--- a/src/Notes-master/res/layout/note_edit.xml
+++ b/src/Notes-master/res/layout/note_edit.xml
@@ -175,13 +175,12 @@
                         android:focusable="false"
                         android:clickable="true"/>
 
-                    <!-- 背景色按钮 -->
                     <Button
-                        android:id="@+id/action_bg_color"
+                        android:id="@+id/action_underline"
                         android:layout_width="40dp"
                         android:layout_height="40dp"
-                        android:layout_marginStart="4dp"
-                        android:background="@drawable/action_bg_color"
+                        android:layout_marginEnd="4dp"
+                        android:background="@drawable/action_underline"
                         android:backgroundTint="@null"
                         android:focusable="false"
                         android:clickable="true"/>
diff --git a/src/Notes-master/res/mipmap-anydpi/ic_launcher.xml b/src/Notes-master/res/mipmap-anydpi/ic_launcher.xml
deleted file mode 100644
index 6f3b755..0000000
--- a/src/Notes-master/res/mipmap-anydpi/ic_launcher.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@drawable/ic_launcher_background" />
-    <foreground android:drawable="@drawable/ic_launcher_foreground" />
-    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
-</adaptive-icon>
\ No newline at end of file
diff --git a/src/Notes-master/res/mipmap-anydpi/ic_launcher_round.xml b/src/Notes-master/res/mipmap-anydpi/ic_launcher_round.xml
deleted file mode 100644
index 6f3b755..0000000
--- a/src/Notes-master/res/mipmap-anydpi/ic_launcher_round.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@drawable/ic_launcher_background" />
-    <foreground android:drawable="@drawable/ic_launcher_foreground" />
-    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
-</adaptive-icon>
\ No newline at end of file
diff --git a/src/Notes-master/src/net/micode/notes/ui/NoteEditActivity.java b/src/Notes-master/src/net/micode/notes/ui/NoteEditActivity.java
index bc48122..e2c840c 100644
--- a/src/Notes-master/src/net/micode/notes/ui/NoteEditActivity.java
+++ b/src/Notes-master/src/net/micode/notes/ui/NoteEditActivity.java
@@ -1722,42 +1722,13 @@ public class NoteEditActivity extends Activity implements OnClickListener,
             }
         });
 
-        // 背景色功能
-        findViewById(R.id.action_bg_color).setOnClickListener(new View.OnClickListener() {
+        // 下划线功能
+        findViewById(R.id.action_underline).setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                mNoteEditor.focusEditor(); // 获取焦点
-                new AlertDialog.Builder(NoteEditActivity.this)
-                        .setTitle("选择字体背景颜色")
-                        .setItems(new String[]{"红色", "黄色", "蓝色", "绿色", "黑色", "白色"},
-                                new DialogInterface.OnClickListener() {
-                                    @Override
-                                    public void onClick(DialogInterface dialog, int which) {
-                                        switch (which) {
-                                            case 0: // 红
-                                                mNoteEditor.setTextBackgroundColor(Color.RED);
-                                                break;
-                                            case 1: // 黄
-                                                mNoteEditor.setTextBackgroundColor(Color.YELLOW);
-                                                break;
-                                            case 2: // 蓝
-                                                mNoteEditor.setTextBackgroundColor(Color.BLUE);
-                                                break;
-                                            case 3: // 绿
-                                                mNoteEditor.setTextBackgroundColor(Color.GREEN);
-                                                break;
-                                            case 4: // 黑
-                                                mNoteEditor.setTextBackgroundColor(Color.BLACK);
-                                                break;
-                                            case 5: // 白
-                                                mNoteEditor.setTextBackgroundColor(Color.WHITE);
-                                                break;
-                                        }
-                                        dialog.dismiss(); // 选择后关闭对话框
-                                    }
-                                })
-                        .show();
+                mNoteEditor.setUnderline();
             }
         });
+
     }
 }
\ No newline at end of file