diff --git a/app/build.gradle b/app/build.gradle
index 4258db3..f67282c 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -44,9 +44,6 @@ android {
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
             signingConfig signingConfigs.release
         }
-        debug{
-            applicationIdSuffix '.test'
-        }
     }
     externalNativeBuild {
         cmake {
@@ -61,6 +58,7 @@ android {
     kotlinOptions {
         jvmTarget = '1.8'
     }
+    ndkVersion '22.0.7026061'
 }
 
 dependencies {
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index c546105..c7741fc 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -9,15 +9,6 @@
         android:roundIcon="@mipmap/ic_launcher"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
-        <provider
-            android:name="androidx.core.content.FileProvider"
-            android:authorities="top.fumiama.base16384.test.fileprovider"
-            android:exported="false"
-            android:grantUriPermissions="true">
-            <meta-data
-                android:name="android.support.FILE_PROVIDER_PATHS"
-                android:resource="@xml/provider_paths" />
-        </provider>
         <provider
             android:name="androidx.core.content.FileProvider"
             android:authorities="top.fumiama.base16384.fileprovider"
diff --git a/app/src/main/java/top/fumiama/base16384/MainActivity.kt b/app/src/main/java/top/fumiama/base16384/MainActivity.kt
index 075ad21..25fc702 100644
--- a/app/src/main/java/top/fumiama/base16384/MainActivity.kt
+++ b/app/src/main/java/top/fumiama/base16384/MainActivity.kt
@@ -15,7 +15,6 @@ import kotlinx.android.synthetic.main.activity_main.*
 import java.io.File
 import java.io.FileInputStream
 
-
 class MainActivity : Activity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)