diff --git a/app/build.gradle b/app/build.gradle
index 406d87e4..00f4b1c9 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -31,6 +31,9 @@ android {
         versionCode applicationVersionCode
         versionName applicationVersionName
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        vectorDrawables {
+            useSupportLibrary true
+        }
     }
     signingConfigs {
         release {
@@ -59,14 +62,25 @@ android {
         targetCompatibility JavaVersion.VERSION_1_8
         sourceCompatibility JavaVersion.VERSION_1_8
     }
+    kotlinOptions {
+        jvmTarget = '1.8'
+        useIR = true
+    }
+    packagingOptions {
+        resources {
+            excludes += '/META-INF/{AL2.0,LGPL2.1}'
+        }
+    }
 }
 
 dependencies {
     implementation "org.jetbrains:annotations:19.0.0"
 
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
-    api "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.3.2"
-    api "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.8"
+    api "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.5.2"
+    api "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.5.2"
+
+    implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.3.1'
 
     //Local Files
     implementation fileTree(include: ["*.jar"], dir: "libs")
@@ -83,7 +97,7 @@ dependencies {
     implementation "androidx.appcompat:appcompat:1.3.1"
     implementation "androidx.core:core-ktx:1.6.0"
     implementation "androidx.annotation:annotation:1.2.0"
-    implementation "androidx.constraintlayout:constraintlayout:2.1.0"
+    implementation "androidx.constraintlayout:constraintlayout:2.1.1"
     implementation "androidx.preference:preference-ktx:1.1.1"
     implementation "androidx.gridlayout:gridlayout:1.0.0"
     implementation "androidx.browser:browser:1.3.0"
@@ -133,7 +147,7 @@ dependencies {
     implementation "com.jakewharton:butterknife:10.2.3"
     kapt "com.jakewharton:butterknife-compiler:10.2.3"
 
-    implementation ("com.alibaba.android:vlayout:1.2.8@aar") {
+    implementation ("com.alibaba.android:vlayout:1.2.31@aar") {
         transitive = true
     }
 }
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index d441700f..7170f246 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -130,16 +130,15 @@
             android:windowSoftInputMode="adjustResize" />
 
         <service
-            android:process=":oksign"
             android:name=".services.OKSignService"
-            android:exported="false" />
+            android:exported="false"
+            android:process=":oksign" />
 
         <activity
             android:name=".activities.HistoryActivity"
             android:configChanges="screenSize|screenLayout|orientation|smallestScreenSize|keyboardHidden"
             android:label="@string/title_history"
             android:windowSoftInputMode="adjustResize" />
-
         <activity
             android:name=".activities.OKSignActivity"
             android:excludeFromRecents="true"
@@ -148,7 +147,6 @@
                 <action android:name="com.huanchengfly.tieba.post.action.OKSIGN" />
             </intent-filter>
         </activity>
-
         <activity
             android:name=".activities.AboutActivity"
             android:configChanges="screenSize|screenLayout|orientation|smallestScreenSize|keyboardHidden"
@@ -235,10 +233,6 @@
             android:exported="true"
             android:permission="android.permission.BIND_JOB_SERVICE" />
 
-        <activity
-            android:name=".activities.ThemeActivity"
-            android:configChanges="screenSize|screenLayout|orientation|smallestScreenSize|keyboardHidden"
-            android:windowSoftInputMode="adjustResize" />
         <activity
             android:name=".activities.SearchPostActivity"
             android:configChanges="screenSize|screenLayout|orientation|smallestScreenSize|keyboardHidden"
diff --git a/app/src/main/res/drawable/bg_photo_view_bottom_bar.xml b/app/src/main/res/drawable/bg_photo_view_bottom_bar.xml
new file mode 100644
index 00000000..500d9f85
--- /dev/null
+++ b/app/src/main/res/drawable/bg_photo_view_bottom_bar.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <gradient
+        android:angle="270"
+        android:endColor="@color/black_trans"
+        android:startColor="@color/transparent"
+        android:type="linear" />
+</shape>
\ No newline at end of file
diff --git a/app/src/main/res/drawable/splash.xml b/app/src/main/res/drawable/splash.xml
index ed33036a..ac26df20 100644
--- a/app/src/main/res/drawable/splash.xml
+++ b/app/src/main/res/drawable/splash.xml
@@ -4,11 +4,7 @@
         android:layout_width="match_parent"
         android:layout_height="match_parent">
         <shape android:shape="rectangle">
-            <gradient
-                android:angle="0"
-                android:endColor="@color/colorSplashBg"
-                android:startColor="@color/colorSplashBg"
-                android:type="linear" />
+            <solid android:color="@color/colorSplashBg" />
         </shape>
     </item>
 </layer-list>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_photo_view.xml b/app/src/main/res/layout/activity_photo_view.xml
index de3f3775..85baf842 100644
--- a/app/src/main/res/layout/activity_photo_view.xml
+++ b/app/src/main/res/layout/activity_photo_view.xml
@@ -21,7 +21,8 @@
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_gravity="bottom"
-        app:backgroundTint="@color/transparent"
+        android:background="@drawable/bg_photo_view_bottom_bar"
+        app:backgroundTint="@color/black_trans"
         app:elevation="0dp"
         app:hideOnScroll="true"
         app:menu="@menu/menu_photo_view"
diff --git a/build.gradle b/build.gradle
index 83af0d60..d5674a6e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -4,7 +4,7 @@ buildscript {
     ext {
         glide_version = "4.12.0"
         retrofit_version = "2.9.0"
-        kotlin_version = '1.5.21'
+        kotlin_version = '1.5.31'
     }
     repositories {
         google()
@@ -12,7 +12,7 @@ buildscript {
         maven { url "https://maven.aliyun.com/repository/public" }
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.0.1'
+        classpath 'com.android.tools.build:gradle:7.0.3'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }