diff --git a/app/src/main/java/io/legado/app/ui/widget/BadgeView.kt b/app/src/main/java/io/legado/app/ui/widget/BadgeView.kt
index aad98f5dd..86e7e0629 100644
--- a/app/src/main/java/io/legado/app/ui/widget/BadgeView.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/BadgeView.kt
@@ -29,12 +29,6 @@ class BadgeView @JvmOverloads constructor(
     defStyle: Int = android.R.attr.textViewStyle
 ) : AppCompatTextView(context, attrs, defStyle) {
 
-    /**
-     * @return Returns true if view is hidden on badge value 0 or null;
-     */
-    /**
-     * @param hideOnNull the hideOnNull to set
-     */
     var isHideOnNull = true
         set(hideOnNull) {
             field = hideOnNull
@@ -70,7 +64,12 @@ class BadgeView @JvmOverloads constructor(
     val badgeMargin: IntArray
         get() {
             val params = layoutParams as LayoutParams
-            return intArrayOf(params.leftMargin, params.topMargin, params.rightMargin, params.bottomMargin)
+            return intArrayOf(
+                params.leftMargin,
+                params.topMargin,
+                params.rightMargin,
+                params.bottomMargin
+            )
         }
 
     init {
@@ -154,7 +153,12 @@ class BadgeView @JvmOverloads constructor(
         setBadgeMargin(dipMargin, dipMargin, dipMargin, dipMargin)
     }
 
-    fun setBadgeMargin(leftDipMargin: Int, topDipMargin: Int, rightDipMargin: Int, bottomDipMargin: Int) {
+    fun setBadgeMargin(
+        leftDipMargin: Int,
+        topDipMargin: Int,
+        rightDipMargin: Int,
+        bottomDipMargin: Int
+    ) {
         val params = layoutParams as LayoutParams
         params.leftMargin = dip2Px(leftDipMargin.toFloat())
         params.topMargin = dip2Px(topDipMargin.toFloat())
diff --git a/app/src/main/java/io/legado/app/ui/widget/KeyboardToolPop.kt b/app/src/main/java/io/legado/app/ui/widget/KeyboardToolPop.kt
index b97e32e97..076fac6b9 100644
--- a/app/src/main/java/io/legado/app/ui/widget/KeyboardToolPop.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/KeyboardToolPop.kt
@@ -10,7 +10,8 @@ import android.widget.TextView
 import io.legado.app.R
 
 
-class KeyboardToolPop(context: Context, onClickListener: OnClickListener?) : PopupWindow(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT) {
+class KeyboardToolPop(context: Context, onClickListener: OnClickListener?) :
+    PopupWindow(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT) {
 
     init {
         @SuppressLint("InflateParams")
diff --git a/app/src/main/java/io/legado/app/ui/widget/TitleBar.kt b/app/src/main/java/io/legado/app/ui/widget/TitleBar.kt
index 796e6fcb3..d516601d9 100644
--- a/app/src/main/java/io/legado/app/ui/widget/TitleBar.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/TitleBar.kt
@@ -60,7 +60,8 @@ class TitleBar(context: Context, attrs: AttributeSet?) : AppBarLayout(context, a
         displayHomeAsUp = a.getBoolean(R.styleable.TitleBar_displayHomeAsUp, true)
 
         val navigationIcon = a.getDrawable(R.styleable.TitleBar_navigationIcon)
-        val navigationContentDescription = a.getText(R.styleable.TitleBar_navigationContentDescription)
+        val navigationContentDescription =
+            a.getText(R.styleable.TitleBar_navigationContentDescription)
         val titleText = a.getString(R.styleable.TitleBar_title)
         val subtitleText = a.getString(R.styleable.TitleBar_subtitle)
 
@@ -71,7 +72,10 @@ class TitleBar(context: Context, attrs: AttributeSet?) : AppBarLayout(context, a
             }
 
             if (a.hasValue(R.styleable.TitleBar_titleTextAppearance)) {
-                this.setTitleTextAppearance(context, a.getResourceId(R.styleable.TitleBar_titleTextAppearance, 0))
+                this.setTitleTextAppearance(
+                    context,
+                    a.getResourceId(R.styleable.TitleBar_titleTextAppearance, 0)
+                )
             }
 
             if (a.hasValue(R.styleable.TitleBar_titleTextColor)) {
@@ -79,7 +83,10 @@ class TitleBar(context: Context, attrs: AttributeSet?) : AppBarLayout(context, a
             }
 
             if (a.hasValue(R.styleable.TitleBar_subtitleTextAppearance)) {
-                this.setSubtitleTextAppearance(context, a.getResourceId(R.styleable.TitleBar_subtitleTextAppearance, 0))
+                this.setSubtitleTextAppearance(
+                    context,
+                    a.getResourceId(R.styleable.TitleBar_subtitleTextAppearance, 0)
+                )
             }
 
             if (a.hasValue(R.styleable.TitleBar_subtitleTextColor)) {
@@ -177,7 +184,7 @@ class TitleBar(context: Context, attrs: AttributeSet?) : AppBarLayout(context, a
     }
 
     private fun attachToActivity() {
-        if(attachToActivity) {
+        if (attachToActivity) {
             activity?.let {
                 it.setSupportActionBar(toolbar)
                 it.supportActionBar?.setDisplayHomeAsUpEnabled(displayHomeAsUp)
@@ -191,7 +198,11 @@ class TitleBar(context: Context, attrs: AttributeSet?) : AppBarLayout(context, a
         if (navigationIconTint != null) {
             wrapDrawableTint(toolbar.navigationIcon, navigationIconTint, navigationIconTintMode)
         } else {
-            wrapDrawableTint(toolbar.navigationIcon, ColorStateList.valueOf(primaryTextColor), navigationIconTintMode)
+            wrapDrawableTint(
+                toolbar.navigationIcon,
+                ColorStateList.valueOf(primaryTextColor),
+                navigationIconTintMode
+            )
         }
     }