diff --git a/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt b/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt
index 0e0152540..739c53ab2 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt
@@ -7,6 +7,7 @@ import android.content.res.Configuration
 import android.os.Bundle
 import android.os.Handler
 import android.os.Looper
+import android.util.Log
 import android.view.*
 import android.view.ViewGroup.LayoutParams.WRAP_CONTENT
 import androidx.activity.result.contract.ActivityResultContracts
@@ -150,6 +151,7 @@ class ReadBookActivity : ReadBookBaseActivity(),
 
     override fun onWindowFocusChanged(hasFocus: Boolean) {
         super.onWindowFocusChanged(hasFocus)
+        Log.d("navigationBarHeight", navigationBarHeight.toString())
         upSystemUiVisibility()
     }
 
diff --git a/app/src/main/java/io/legado/app/ui/book/read/page/ContentTextView.kt b/app/src/main/java/io/legado/app/ui/book/read/page/ContentTextView.kt
index a70a546bd..67f16724a 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/page/ContentTextView.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/page/ContentTextView.kt
@@ -250,7 +250,7 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at
                 selectStart[2] != charIndex
             ) {
                 if (selectToInt(relativePos, lineIndex, charIndex)
-                    < selectToInt(selectEnd)
+                    <= selectToInt(selectEnd)
                 ) {
                     selectStart[0] = relativePos
                     selectStart[1] = lineIndex
@@ -276,7 +276,7 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at
                 || selectEnd[2] != charIndex
             ) {
                 if (selectToInt(relativePos, lineIndex, charIndex)
-                    > selectToInt(selectStart)
+                    >= selectToInt(selectStart)
                 ) {
                     selectEnd[0] = relativePos
                     selectEnd[1] = lineIndex
diff --git a/app/src/main/java/io/legado/app/ui/book/read/page/ReadView.kt b/app/src/main/java/io/legado/app/ui/book/read/page/ReadView.kt
index b6de252c8..966407094 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/page/ReadView.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/page/ReadView.kt
@@ -43,9 +43,9 @@ class ReadView(context: Context, attrs: AttributeSet) :
             upContent()
         }
     var isScroll = false
-    var prevPage: PageView = PageView(context)
-    var curPage: PageView = PageView(context)
-    var nextPage: PageView = PageView(context)
+    val prevPage by lazy { PageView(context) }
+    val curPage by lazy { PageView(context) }
+    val nextPage by lazy { PageView(context) }
     val defaultAnimationSpeed = 300
     private var pressDown = false
     private var isMove = false