diff --git a/app/src/main/java/com/sevtinge/cemiuiler/module/hook/systemui/NotificationVolumeSeparateSlider.java b/app/src/main/java/com/sevtinge/cemiuiler/module/hook/systemui/NotificationVolumeSeparateSlider.java
index c5baeaa3a..bc2f5959d 100644
--- a/app/src/main/java/com/sevtinge/cemiuiler/module/hook/systemui/NotificationVolumeSeparateSlider.java
+++ b/app/src/main/java/com/sevtinge/cemiuiler/module/hook/systemui/NotificationVolumeSeparateSlider.java
@@ -10,6 +10,9 @@
 import de.robv.android.xposed.XposedHelpers;
 
 public class NotificationVolumeSeparateSlider {
+    private NotificationVolumeSeparateSlider() {
+    }
+    
     public static void initHideDeviceControlEntry(ClassLoader pluginLoader) {
         int notifVolumeOnResId;
         int notifVolumeOffResId;
diff --git a/app/src/main/java/com/sevtinge/cemiuiler/utils/log/XposedLogUtils.java b/app/src/main/java/com/sevtinge/cemiuiler/utils/log/XposedLogUtils.java
index 9b8f9461b..935287a82 100644
--- a/app/src/main/java/com/sevtinge/cemiuiler/utils/log/XposedLogUtils.java
+++ b/app/src/main/java/com/sevtinge/cemiuiler/utils/log/XposedLogUtils.java
@@ -10,6 +10,9 @@
 
 public class XposedLogUtils {
 
+private XposedLogUtils() {
+}
+
     private static boolean isDebugVersion = BuildConfig.BUILD_TYPE.contains("debug");
     private static boolean isReleaseVersion = BuildConfig.BUILD_TYPE.contains("release");
     private static boolean isDisableDetailLog = BaseHook.mPrefsMap.getBoolean("settings_disable_detailed_log");