diff --git a/app/src/main/java/io/legado/app/ui/widget/SearchView.kt b/app/src/main/java/io/legado/app/ui/widget/SearchView.kt
index 765a0a580..6d340c6d7 100644
--- a/app/src/main/java/io/legado/app/ui/widget/SearchView.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/SearchView.kt
@@ -20,12 +20,12 @@ class SearchView : SearchView {
     private var textView: TextView? = null
 
     constructor(
-        context: Context?,
+        context: Context,
         attrs: AttributeSet? = null
     ) : super(context, attrs)
 
     constructor(
-        context: Context?,
+        context: Context,
         attrs: AttributeSet?,
         defStyleAttr: Int
     ) : super(context, attrs, defStyleAttr)
diff --git a/app/src/main/java/io/legado/app/ui/widget/text/MultilineTextView.kt b/app/src/main/java/io/legado/app/ui/widget/text/MultilineTextView.kt
index 839ca59bd..56e36f07d 100644
--- a/app/src/main/java/io/legado/app/ui/widget/text/MultilineTextView.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/text/MultilineTextView.kt
@@ -5,7 +5,7 @@ import android.graphics.Canvas
 import android.util.AttributeSet
 import androidx.appcompat.widget.AppCompatTextView
 
-class MultilineTextView(context: Context?, attrs: AttributeSet?) :
+class MultilineTextView(context: Context, attrs: AttributeSet?) :
     AppCompatTextView(context, attrs) {
 
     override fun onDraw(canvas: Canvas?) {
diff --git a/app/src/main/java/io/legado/app/ui/widget/text/ScrollTextView.kt b/app/src/main/java/io/legado/app/ui/widget/text/ScrollTextView.kt
index d0b579cd4..4a9da6e0f 100644
--- a/app/src/main/java/io/legado/app/ui/widget/text/ScrollTextView.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/text/ScrollTextView.kt
@@ -6,7 +6,7 @@ import android.util.AttributeSet
 import android.view.MotionEvent
 import androidx.appcompat.widget.AppCompatTextView
 
-class ScrollTextView(context: Context?, attrs: AttributeSet?) : AppCompatTextView(context, attrs) {
+class ScrollTextView(context: Context, attrs: AttributeSet?) : AppCompatTextView(context, attrs) {
     //滑动距离的最大边界
     private var mOffsetHeight = 0