diff --git a/app/src/main/res/values-night/styles.xml b/app/src/main/res/values-night/styles.xml
new file mode 100644
index 00000000..641cbec0
--- /dev/null
+++ b/app/src/main/res/values-night/styles.xml
@@ -0,0 +1,19 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="android:Theme.Material.NoActionBar">
+        <!-- Customize your theme here. -->
+        <item name="android:colorPrimary">@color/black</item>
+        <item name="android:colorPrimaryDark">@color/black</item>
+        <item name="android:colorAccent">@color/colorAccent</item>
+        <!-- Customize your theme here. -->
+        <item name="android:textAllCaps">false</item>
+        <item name="android:textColor">@color/white</item>
+        <item name="android:colorBackground">@color/black</item>
+        <item name="android:statusBarColor">@color/black</item>
+        <item name="android:windowLightStatusBar" tools:targetApi="m">false</item>
+        <item name="android:forceDarkAllowed" tools:targetApi="Q">true</item>
+    </style>
+
+
+    <!-- 定义dialog的样式-->
+</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index a9a49e44..072abf83 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -1,10 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
     <style name="AppTheme" parent="android:Theme.Material.Light.NoActionBar">
-
+        <!-- Customize your theme here. -->
+        <item name="android:colorPrimary">@color/white</item>
+        <item name="android:colorPrimaryDark">@color/foreground</item>
+        <item name="android:colorAccent">@color/colorAccent</item>
+        <!-- Customize your theme here. -->
+        <item name="android:textAllCaps">false</item>
         <item name="android:textColor">@color/black</item>
         <item name="android:statusBarColor">@color/white</item>
         <item name="android:windowLightStatusBar" tools:targetApi="m">true</item>
         <item name="android:forceDarkAllowed" tools:targetApi="Q">true</item>
     </style>
+
+
+    <!-- 定义dialog的样式-->
+
 </resources>
\ No newline at end of file