diff --git a/app/.gitignore b/app/.gitignore
index 42afabfd..67e07b8f 100644
--- a/app/.gitignore
+++ b/app/.gitignore
@@ -1 +1,2 @@
-/build
\ No newline at end of file
+/build
+/release
diff --git a/app/build.gradle b/app/build.gradle
index 0fb8e1bc..801cd401 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -39,12 +39,6 @@ android {
 
 dependencies {
     compileOnly 'de.robv.android.xposed:api:82'
-    compileOnly 'de.robv.android.xposed:api:82:sources'
-    implementation 'androidx.constraintlayout:constraintlayout:2.1.2'
-    implementation 'androidx.preference:preference:1.1.1'
-    implementation 'androidx.appcompat:appcompat:1.4.0'
-    implementation 'com.google.android.material:material:1.4.0'
-    testImplementation 'junit:junit:4.+'
-    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
+    implementation 'androidx.preference:preference:1.2.0'
+    implementation 'com.google.android.material:material:1.5.0'
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/lt2333/simplicitytools/activity/SettingsActivity.kt b/app/src/main/java/com/lt2333/simplicitytools/activity/SettingsActivity.kt
index d0f4c09c..fc421566 100644
--- a/app/src/main/java/com/lt2333/simplicitytools/activity/SettingsActivity.kt
+++ b/app/src/main/java/com/lt2333/simplicitytools/activity/SettingsActivity.kt
@@ -68,9 +68,9 @@ class SettingsActivity : AppCompatActivity() {
                     BuildConfig.VERSION_NAME + "(" + BuildConfig.BUILD_TYPE + ")"
         }
 
-        override fun onPreferenceTreeClick(preference: Preference?): Boolean {
+        override fun onPreferenceTreeClick(preference: Preference): Boolean {
 
-            when (preference!!.key) {
+            when (preference.key) {
                 "opensource" -> {
                     try {
                         val uri =