diff --git a/app/src/main/java/com/aurora/store/data/installer/NativeInstaller.kt b/app/src/main/java/com/aurora/store/data/installer/NativeInstaller.kt
index b86768b2e..34c66c433 100644
--- a/app/src/main/java/com/aurora/store/data/installer/NativeInstaller.kt
+++ b/app/src/main/java/com/aurora/store/data/installer/NativeInstaller.kt
@@ -43,13 +43,14 @@ class NativeInstaller(context: Context) : InstallerBase(context) {
         val intent: Intent
 
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+            @Suppress("DEPRECATION")
             intent = Intent(Intent.ACTION_INSTALL_PACKAGE)
             intent.data = getUri(file)
             intent.flags = Intent.FLAG_GRANT_READ_URI_PERMISSION or Intent.FLAG_ACTIVITY_NEW_TASK
         } else {
             intent = Intent(Intent.ACTION_VIEW)
             intent.setDataAndType(Uri.fromFile(file), "application/vnd.android.package-archive");
-            intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+            intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK
         }
 
         intent.putExtra(Intent.EXTRA_NOT_UNKNOWN_SOURCE, true)
diff --git a/app/src/main/java/com/aurora/store/util/CertUtil.kt b/app/src/main/java/com/aurora/store/util/CertUtil.kt
index c4ba8ae91..66fc400ea 100644
--- a/app/src/main/java/com/aurora/store/util/CertUtil.kt
+++ b/app/src/main/java/com/aurora/store/util/CertUtil.kt
@@ -89,6 +89,7 @@ object CertUtil {
                     packageInfo.signingInfo.signingCertificateHistory.map { it.generateX509Certificate() }
                 }
             } else {
+                @Suppress("DEPRECATION")
                 packageInfo.signatures.map { it.generateX509Certificate() }
             }
         } catch (exception: Exception) {
@@ -101,6 +102,7 @@ object CertUtil {
         return if (isPAndAbove()) {
             getPackageInfo(context, packageName, PackageManager.GET_SIGNING_CERTIFICATES)
         } else {
+            @Suppress("DEPRECATION")
             getPackageInfo(context, packageName, PackageManager.GET_SIGNATURES)
         }
     }
diff --git a/app/src/main/java/com/aurora/store/util/PackageUtil.kt b/app/src/main/java/com/aurora/store/util/PackageUtil.kt
index 6f0baa84d..1bb4fabe4 100644
--- a/app/src/main/java/com/aurora/store/util/PackageUtil.kt
+++ b/app/src/main/java/com/aurora/store/util/PackageUtil.kt
@@ -215,6 +215,7 @@ object PackageUtil {
     fun getFilter(): IntentFilter {
         val filter = IntentFilter()
         filter.addDataScheme("package")
+        @Suppress("DEPRECATION")
         filter.addAction(Intent.ACTION_PACKAGE_INSTALL)
         filter.addAction(Intent.ACTION_PACKAGE_ADDED)
         filter.addAction(Intent.ACTION_PACKAGE_REMOVED)