diff --git a/app/CasicSmartTube.jks b/app/CasicSmartTube.jks
new file mode 100644
index 0000000..6563591
--- /dev/null
+++ b/app/CasicSmartTube.jks
Binary files differ

diff --git a/app/CasicSmartTube.jks b/app/CasicSmartTube.jks
new file mode 100644
index 0000000..6563591
--- /dev/null
+++ b/app/CasicSmartTube.jks
Binary files differ
diff --git a/app/build.gradle b/app/build.gradle
index da5584a..4edb89e 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -3,6 +3,14 @@
 apply plugin: 'kotlin-android-extensions'
 
 android {
+    signingConfigs {
+        release {
+            storeFile file('/Users/a203/Desktop/AndroidProjects/CasicSmartTube/app/CasicSmartTube.jks')
+            storePassword '123456789'
+            keyAlias 'key0'
+            keyPassword '123456789'
+        }
+    }
     compileSdkVersion 31
     buildToolsVersion "30.0.3"
 

diff --git a/app/CasicSmartTube.jks b/app/CasicSmartTube.jks
new file mode 100644
index 0000000..6563591
--- /dev/null
+++ b/app/CasicSmartTube.jks
Binary files differ
diff --git a/app/build.gradle b/app/build.gradle
index da5584a..4edb89e 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -3,6 +3,14 @@
 apply plugin: 'kotlin-android-extensions'
 
 android {
+    signingConfigs {
+        release {
+            storeFile file('/Users/a203/Desktop/AndroidProjects/CasicSmartTube/app/CasicSmartTube.jks')
+            storePassword '123456789'
+            keyAlias 'key0'
+            keyPassword '123456789'
+        }
+    }
     compileSdkVersion 31
     buildToolsVersion "30.0.3"
 
diff --git a/app/src/main/res/drawable/ic_device.xml b/app/src/main/res/drawable/ic_device.xml
new file mode 100644
index 0000000..831c4c4
--- /dev/null
+++ b/app/src/main/res/drawable/ic_device.xml
@@ -0,0 +1,39 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="128px"
+    android:height="128px"
+    android:viewportWidth="1024"
+    android:viewportHeight="1024">
+    <path
+        android:fillColor="#F0C48A"
+        android:pathData="M512,512m-414,0a414,414 0,1 0,828 0,414 414,0 1,0 -828,0Z" />
+    <path
+        android:fillColor="#D3E6F8"
+        android:pathData="M257.4,187.6V83.4c0,-39.4 32.2,-71.8 71.8,-71.8h364.6c39.4,0 71.8,32.2 71.8,71.8v857c0,39.4 -32.2,71.8 -71.8,71.8H329.2c-39.4,0 -71.8,-32.2 -71.8,-71.8V187.6z" />
+    <path
+        android:fillColor="#7BABF1"
+        android:pathData="M714.8,856v153.2c29.4,-9 50.8,-36.4 50.8,-68.6V856h-50.8zM714.8,14.8v137.6h50.8V83.4c0,-32.2 -21.6,-59.6 -50.8,-68.6z" />
+    <path
+        android:fillColor="#FFFFFF"
+        android:pathData="M257.4,152.4h510V856h-510z" />
+    <path
+        android:fillColor="#D3E6F8"
+        android:pathData="M714.8,152.4h52.8V856h-52.8z" />
+    <path
+        android:fillColor="#7BABF1"
+        android:pathData="M511.6,935m-44,0a44,44 0,1 0,88 0,44 44,0 1,0 -88,0Z" />
+    <path
+        android:fillColor="#FD919E"
+        android:pathData="M677.6,536v-48h-42.6c-3.2,-16.8 -9.8,-32.6 -19.2,-46.4l30,-30 -34,-34 -30,30c-13.8,-9.2 -29.4,-15.8 -46.4,-19.2v-42.6h-48.2v42.6c-16.8,3.2 -32.6,9.8 -46.4,19.2l-30,-30 -34,34 30,30c-9.2,13.8 -15.8,29.4 -19.2,46.4h-42.6v48L388,536c3.2,16.8 9.8,32.6 19.2,46.4l-30,30 34,34 30,-30c13.8,9.2 29.4,15.8 46.4,19.2v42.6h48.2v-42.6c16.8,-3.2 32.6,-9.8 46.4,-19.2l30,30 34,-34 -30,-30c9.2,-13.8 15.8,-29.4 19.2,-46.4h42.2zM510.6,573.6c-34,0 -61.6,-27.6 -61.6,-61.6s27.6,-61.6 61.6,-61.6 61.6,27.6 61.6,61.6 -27.4,61.6 -61.6,61.6z" />
+    <path
+        android:fillColor="#4C4372"
+        android:pathData="M510.6,585.4c-40.4,0 -73.4,-33 -73.4,-73.4 0,-40.4 33,-73.4 73.4,-73.4 40.4,0 73.4,33 73.4,73.4 0,40.4 -32.8,73.4 -73.4,73.4zM510.6,462.2c-27.6,0 -49.8,22.4 -49.8,49.8 0,27.6 22.4,49.8 49.8,49.8s49.8,-22.4 49.8,-49.8c0.2,-27.6 -22.2,-49.8 -49.8,-49.8z" />
+    <path
+        android:fillColor="#4C4372"
+        android:pathData="M535.6,689.8h-48.2c-6.4,0 -11.8,-5.2 -11.8,-11.8v-33.2c-11.6,-3 -22.6,-7.6 -32.8,-13.6l-23.4,23.4c-2.2,2.2 -5.2,3.4 -8.2,3.4s-6,-1.2 -8.2,-3.4l-34,-34c-4.6,-4.6 -4.6,-12 0,-16.6l23.4,-23.4c-6,-10.4 -10.6,-21.4 -13.6,-32.8h-33.2c-6.4,0 -11.8,-5.2 -11.8,-11.8v-48c0,-6.4 5.2,-11.8 11.8,-11.8h33.2c3,-11.6 7.6,-22.6 13.6,-32.8L369,420c-4.6,-4.6 -4.6,-12 0,-16.6l34,-34c4.6,-4.6 12,-4.6 16.6,0l23.4,23.4c10.4,-6 21.4,-10.6 32.8,-13.6L475.8,346c0,-6.4 5.2,-11.8 11.8,-11.8h48.2c6.4,0 11.8,5.2 11.8,11.8v33.2c11.6,3 22.6,7.6 32.8,13.6l23.4,-23.4c4.6,-4.6 12,-4.6 16.6,0l34,34c4.6,4.6 4.6,12 0,16.6l-23.4,23.4c6,10.4 10.6,21.4 13.6,32.8h33.2c6.4,0 11.8,5.2 11.8,11.8v48c0,6.4 -5.2,11.8 -11.8,11.8h-33.2c-3,11.6 -7.6,22.6 -13.6,32.8l23.4,23.4c4.6,4.6 4.6,12 0,16.6l-34,34c-2.2,2.2 -5.2,3.4 -8.2,3.4 -3.2,0 -6,-1.2 -8.2,-3.4l-23.4,-23.4c-10.4,6 -21.4,10.6 -32.8,13.6L547.8,678c-0.6,6.6 -5.8,11.8 -12.2,11.8zM499.2,666.4h24.6v-30.8c0,-5.6 4,-10.4 9.4,-11.6 15.2,-3 29.2,-8.8 42,-17.4 4.6,-3.2 10.8,-2.6 14.8,1.4l21.8,21.8 17.4,-17.4 -21.8,-21.8c-4,-4 -4.6,-10.2 -1.4,-14.8 8.6,-12.8 14.4,-26.8 17.4,-42 1,-5.6 5.8,-9.4 11.6,-9.4h30.8v-24.6h-30.8c-5.6,0 -10.4,-4 -11.6,-9.4 -3,-15.2 -8.8,-29.2 -17.4,-42 -3.2,-4.6 -2.6,-10.8 1.4,-14.8l21.8,-21.8 -17.4,-17.4 -21.8,21.8c-4,4 -10.2,4.6 -14.8,1.4 -12.8,-8.6 -26.8,-14.4 -42,-17.4 -5.6,-1 -9.4,-5.8 -9.4,-11.6v-30.8h-24.6v30.8c0,5.6 -4,10.4 -9.4,11.6 -15.2,3 -29.2,8.8 -42,17.4 -4.6,3.2 -10.8,2.6 -14.8,-1.4l-21.8,-21.8 -17.4,17.4 21.8,21.8c4,4 4.6,10.2 1.4,14.8 -8.6,12.8 -14.4,26.8 -17.4,42 -1,5.6 -5.8,9.4 -11.6,9.4h-30.8v24.6L388,524.4c5.6,0 10.4,4 11.6,9.4 3,15.2 8.8,29.2 17.4,42 3.2,4.6 2.6,10.8 -1.4,14.8l-21.8,21.8 17.4,17.4 21.8,-21.8c4,-4 10.2,-4.6 14.8,-1.4 12.8,8.6 26.8,14.4 42,17.4 5.6,1 9.4,5.8 9.4,11.6v30.8zM766.6,164.2h-510c-6.4,0 -7.8,-5.2 -7.8,-11.8 0,-6.4 1.2,-11.8 7.8,-11.8h510c6.4,0 5.4,4.8 5.4,11.2s1,12.4 -5.4,12.4zM766.6,867.6h-510c-6.4,0 -6.4,-3.2 -6.4,-9.6s0,-13.8 6.4,-13.8h510c6.4,0 7.8,5.2 7.8,11.8 -0.2,6.4 -1.4,11.6 -7.8,11.6z" />
+    <path
+        android:fillColor="#4C4372"
+        android:pathData="M511.6,990.8c-30.8,0 -55.6,-25 -55.6,-55.6 0,-30.8 25,-55.6 55.6,-55.6s55.6,25 55.6,55.6 -25,55.6 -55.6,55.6zM511.6,902.8c-17.8,0 -32.2,14.4 -32.2,32.2s14.4,32.2 32.2,32.2 32.2,-14.4 32.2,-32.2 -14.6,-32.2 -32.2,-32.2z" />
+    <path
+        android:fillColor="#4C4372"
+        android:pathData="M693.8,1024H329.2c-46,0 -83.4,-37.4 -83.4,-83.4V83.4c0,-46 37.4,-83.4 83.4,-83.4h364.6c46,0 83.4,37.4 83.4,83.4v857c0,46.2 -37.4,83.6 -83.4,83.6zM329.2,23.4c-33.2,0 -60,27 -60,60v857c0,33.2 27,60 60,60h364.6c33.2,0 60,-27 60,-60V83.4c0,-33.2 -27,-60 -60,-60H329.2z" />
+</vector>

diff --git a/app/CasicSmartTube.jks b/app/CasicSmartTube.jks
new file mode 100644
index 0000000..6563591
--- /dev/null
+++ b/app/CasicSmartTube.jks
Binary files differ
diff --git a/app/build.gradle b/app/build.gradle
index da5584a..4edb89e 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -3,6 +3,14 @@
 apply plugin: 'kotlin-android-extensions'
 
 android {
+    signingConfigs {
+        release {
+            storeFile file('/Users/a203/Desktop/AndroidProjects/CasicSmartTube/app/CasicSmartTube.jks')
+            storePassword '123456789'
+            keyAlias 'key0'
+            keyPassword '123456789'
+        }
+    }
     compileSdkVersion 31
     buildToolsVersion "30.0.3"
 
diff --git a/app/src/main/res/drawable/ic_device.xml b/app/src/main/res/drawable/ic_device.xml
new file mode 100644
index 0000000..831c4c4
--- /dev/null
+++ b/app/src/main/res/drawable/ic_device.xml
@@ -0,0 +1,39 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="128px"
+    android:height="128px"
+    android:viewportWidth="1024"
+    android:viewportHeight="1024">
+    <path
+        android:fillColor="#F0C48A"
+        android:pathData="M512,512m-414,0a414,414 0,1 0,828 0,414 414,0 1,0 -828,0Z" />
+    <path
+        android:fillColor="#D3E6F8"
+        android:pathData="M257.4,187.6V83.4c0,-39.4 32.2,-71.8 71.8,-71.8h364.6c39.4,0 71.8,32.2 71.8,71.8v857c0,39.4 -32.2,71.8 -71.8,71.8H329.2c-39.4,0 -71.8,-32.2 -71.8,-71.8V187.6z" />
+    <path
+        android:fillColor="#7BABF1"
+        android:pathData="M714.8,856v153.2c29.4,-9 50.8,-36.4 50.8,-68.6V856h-50.8zM714.8,14.8v137.6h50.8V83.4c0,-32.2 -21.6,-59.6 -50.8,-68.6z" />
+    <path
+        android:fillColor="#FFFFFF"
+        android:pathData="M257.4,152.4h510V856h-510z" />
+    <path
+        android:fillColor="#D3E6F8"
+        android:pathData="M714.8,152.4h52.8V856h-52.8z" />
+    <path
+        android:fillColor="#7BABF1"
+        android:pathData="M511.6,935m-44,0a44,44 0,1 0,88 0,44 44,0 1,0 -88,0Z" />
+    <path
+        android:fillColor="#FD919E"
+        android:pathData="M677.6,536v-48h-42.6c-3.2,-16.8 -9.8,-32.6 -19.2,-46.4l30,-30 -34,-34 -30,30c-13.8,-9.2 -29.4,-15.8 -46.4,-19.2v-42.6h-48.2v42.6c-16.8,3.2 -32.6,9.8 -46.4,19.2l-30,-30 -34,34 30,30c-9.2,13.8 -15.8,29.4 -19.2,46.4h-42.6v48L388,536c3.2,16.8 9.8,32.6 19.2,46.4l-30,30 34,34 30,-30c13.8,9.2 29.4,15.8 46.4,19.2v42.6h48.2v-42.6c16.8,-3.2 32.6,-9.8 46.4,-19.2l30,30 34,-34 -30,-30c9.2,-13.8 15.8,-29.4 19.2,-46.4h42.2zM510.6,573.6c-34,0 -61.6,-27.6 -61.6,-61.6s27.6,-61.6 61.6,-61.6 61.6,27.6 61.6,61.6 -27.4,61.6 -61.6,61.6z" />
+    <path
+        android:fillColor="#4C4372"
+        android:pathData="M510.6,585.4c-40.4,0 -73.4,-33 -73.4,-73.4 0,-40.4 33,-73.4 73.4,-73.4 40.4,0 73.4,33 73.4,73.4 0,40.4 -32.8,73.4 -73.4,73.4zM510.6,462.2c-27.6,0 -49.8,22.4 -49.8,49.8 0,27.6 22.4,49.8 49.8,49.8s49.8,-22.4 49.8,-49.8c0.2,-27.6 -22.2,-49.8 -49.8,-49.8z" />
+    <path
+        android:fillColor="#4C4372"
+        android:pathData="M535.6,689.8h-48.2c-6.4,0 -11.8,-5.2 -11.8,-11.8v-33.2c-11.6,-3 -22.6,-7.6 -32.8,-13.6l-23.4,23.4c-2.2,2.2 -5.2,3.4 -8.2,3.4s-6,-1.2 -8.2,-3.4l-34,-34c-4.6,-4.6 -4.6,-12 0,-16.6l23.4,-23.4c-6,-10.4 -10.6,-21.4 -13.6,-32.8h-33.2c-6.4,0 -11.8,-5.2 -11.8,-11.8v-48c0,-6.4 5.2,-11.8 11.8,-11.8h33.2c3,-11.6 7.6,-22.6 13.6,-32.8L369,420c-4.6,-4.6 -4.6,-12 0,-16.6l34,-34c4.6,-4.6 12,-4.6 16.6,0l23.4,23.4c10.4,-6 21.4,-10.6 32.8,-13.6L475.8,346c0,-6.4 5.2,-11.8 11.8,-11.8h48.2c6.4,0 11.8,5.2 11.8,11.8v33.2c11.6,3 22.6,7.6 32.8,13.6l23.4,-23.4c4.6,-4.6 12,-4.6 16.6,0l34,34c4.6,4.6 4.6,12 0,16.6l-23.4,23.4c6,10.4 10.6,21.4 13.6,32.8h33.2c6.4,0 11.8,5.2 11.8,11.8v48c0,6.4 -5.2,11.8 -11.8,11.8h-33.2c-3,11.6 -7.6,22.6 -13.6,32.8l23.4,23.4c4.6,4.6 4.6,12 0,16.6l-34,34c-2.2,2.2 -5.2,3.4 -8.2,3.4 -3.2,0 -6,-1.2 -8.2,-3.4l-23.4,-23.4c-10.4,6 -21.4,10.6 -32.8,13.6L547.8,678c-0.6,6.6 -5.8,11.8 -12.2,11.8zM499.2,666.4h24.6v-30.8c0,-5.6 4,-10.4 9.4,-11.6 15.2,-3 29.2,-8.8 42,-17.4 4.6,-3.2 10.8,-2.6 14.8,1.4l21.8,21.8 17.4,-17.4 -21.8,-21.8c-4,-4 -4.6,-10.2 -1.4,-14.8 8.6,-12.8 14.4,-26.8 17.4,-42 1,-5.6 5.8,-9.4 11.6,-9.4h30.8v-24.6h-30.8c-5.6,0 -10.4,-4 -11.6,-9.4 -3,-15.2 -8.8,-29.2 -17.4,-42 -3.2,-4.6 -2.6,-10.8 1.4,-14.8l21.8,-21.8 -17.4,-17.4 -21.8,21.8c-4,4 -10.2,4.6 -14.8,1.4 -12.8,-8.6 -26.8,-14.4 -42,-17.4 -5.6,-1 -9.4,-5.8 -9.4,-11.6v-30.8h-24.6v30.8c0,5.6 -4,10.4 -9.4,11.6 -15.2,3 -29.2,8.8 -42,17.4 -4.6,3.2 -10.8,2.6 -14.8,-1.4l-21.8,-21.8 -17.4,17.4 21.8,21.8c4,4 4.6,10.2 1.4,14.8 -8.6,12.8 -14.4,26.8 -17.4,42 -1,5.6 -5.8,9.4 -11.6,9.4h-30.8v24.6L388,524.4c5.6,0 10.4,4 11.6,9.4 3,15.2 8.8,29.2 17.4,42 3.2,4.6 2.6,10.8 -1.4,14.8l-21.8,21.8 17.4,17.4 21.8,-21.8c4,-4 10.2,-4.6 14.8,-1.4 12.8,8.6 26.8,14.4 42,17.4 5.6,1 9.4,5.8 9.4,11.6v30.8zM766.6,164.2h-510c-6.4,0 -7.8,-5.2 -7.8,-11.8 0,-6.4 1.2,-11.8 7.8,-11.8h510c6.4,0 5.4,4.8 5.4,11.2s1,12.4 -5.4,12.4zM766.6,867.6h-510c-6.4,0 -6.4,-3.2 -6.4,-9.6s0,-13.8 6.4,-13.8h510c6.4,0 7.8,5.2 7.8,11.8 -0.2,6.4 -1.4,11.6 -7.8,11.6z" />
+    <path
+        android:fillColor="#4C4372"
+        android:pathData="M511.6,990.8c-30.8,0 -55.6,-25 -55.6,-55.6 0,-30.8 25,-55.6 55.6,-55.6s55.6,25 55.6,55.6 -25,55.6 -55.6,55.6zM511.6,902.8c-17.8,0 -32.2,14.4 -32.2,32.2s14.4,32.2 32.2,32.2 32.2,-14.4 32.2,-32.2 -14.6,-32.2 -32.2,-32.2z" />
+    <path
+        android:fillColor="#4C4372"
+        android:pathData="M693.8,1024H329.2c-46,0 -83.4,-37.4 -83.4,-83.4V83.4c0,-46 37.4,-83.4 83.4,-83.4h364.6c46,0 83.4,37.4 83.4,83.4v857c0,46.2 -37.4,83.6 -83.4,83.6zM329.2,23.4c-33.2,0 -60,27 -60,60v857c0,33.2 27,60 60,60h364.6c33.2,0 60,-27 60,-60V83.4c0,-33.2 -27,-60 -60,-60H329.2z" />
+</vector>
diff --git a/app/src/main/res/layout/activity_permssion.xml b/app/src/main/res/layout/activity_permssion.xml
index 3889a19..40866ab 100644
--- a/app/src/main/res/layout/activity_permssion.xml
+++ b/app/src/main/res/layout/activity_permssion.xml
@@ -163,7 +163,7 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginEnd="@dimen/dp_10"
-            android:src="@drawable/ic_phone" />
+            android:src="@drawable/ic_device" />
 
         <LinearLayout
             android:layout_width="match_parent"