diff --git a/app/build.gradle b/app/build.gradle
index 56cf6f4e1..844f12227 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -124,7 +124,7 @@ dependencies {
     implementation 'androidx.core:core-ktx:1.2.0'
     implementation 'androidx.appcompat:appcompat:1.1.0'
     implementation 'androidx.media:media:1.1.0'
-    implementation 'androidx.preference:preference:1.1.0'
+    implementation 'androidx.preference:preference:1.1.1'
     implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
     implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.0.0'
     implementation 'androidx.viewpager2:viewpager2:1.0.0'
diff --git a/build.gradle b/build.gradle
index 7fa7b6cdd..21c80e3a6 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,7 @@ buildscript {
     repositories {
         google()
         //jcenter()
-        maven{url 'http://maven.aliyun.com/nexus/content/groups/public/'}
+        maven { url 'http://maven.aliyun.com/nexus/content/groups/public/' }
         maven { url 'https://maven.fabric.io/public' }
         maven { url 'https://plugins.gradle.org/m2/' }
     }
@@ -22,7 +22,7 @@ allprojects {
     repositories {
         google()
         //jcenter()
-        maven{url 'http://maven.aliyun.com/nexus/content/groups/public/'}
+        maven { url 'http://maven.aliyun.com/nexus/content/groups/public/' }
         maven { url "https://jitpack.io" }
         maven { url 'https://maven.google.com/' }
         maven { url 'https://github.com/psiegman/mvn-repo/raw/master/releases' }