diff --git a/app/src/main/java/io/legado/app/ui/readbook/config/ReadStyleDialog.kt b/app/src/main/java/io/legado/app/ui/readbook/config/ReadStyleDialog.kt
index 1841b6df1..660132f04 100644
--- a/app/src/main/java/io/legado/app/ui/readbook/config/ReadStyleDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/readbook/config/ReadStyleDialog.kt
@@ -71,14 +71,16 @@ class ReadStyleDialog : DialogFragment() {
         ReadBookConfig.getConfig().let {
             tv_text_bold.isSelected = it.textBold
             seek_text_size.progress = it.textSize - 5
+            tv_text_size.text = it.textSize.toString()
             seek_text_letter_spacing.progress = (it.letterSpacing * 10).toInt() + 5
+            tv_text_letter_spacing.text = it.letterSpacing.toString()
             seek_line_size.progress = it.lineSpacingExtra.toInt()
+            tv_line_size.text = it.lineSpacingExtra.toString()
         }
         setBg()
         upBg()
     }
 
-
     private fun initOnClick() = with(ReadBookConfig.getConfig()) {
         tv_text_bold.onClick {
             textBold = !textBold
@@ -87,11 +89,11 @@ class ReadStyleDialog : DialogFragment() {
         }
         seek_text_size.setOnSeekBarChangeListener(object : SeekBar.OnSeekBarChangeListener {
             override fun onProgressChanged(seekBar: SeekBar?, progress: Int, fromUser: Boolean) {
-
+                textSize = progress + 5
+                tv_text_size.text = textSize.toString()
             }
             override fun onStartTrackingTouch(seekBar: SeekBar?) {}
             override fun onStopTrackingTouch(seekBar: SeekBar?) {
-                textSize = seek_text_size.progress + 5
                 postEvent(Bus.UP_CONFIG, true)
             }
         })
@@ -99,54 +101,60 @@ class ReadStyleDialog : DialogFragment() {
             textSize++
             if (textSize > 50) textSize = 50
             seek_text_size.progress = textSize - 5
+            tv_text_size.text = textSize.toString()
             postEvent(Bus.UP_CONFIG, true)
         }
         iv_line_size_remove.onClick {
             textSize--
             if (textSize < 5) textSize = 5
             seek_text_size.progress = textSize - 5
+            tv_text_size.text = textSize.toString()
             postEvent(Bus.UP_CONFIG, true)
         }
         seek_text_letter_spacing.setOnSeekBarChangeListener(object :
             SeekBar.OnSeekBarChangeListener {
             override fun onProgressChanged(seekBar: SeekBar?, progress: Int, fromUser: Boolean) {
-
+                letterSpacing = (seek_text_letter_spacing.progress - 5) / 10f
+                tv_text_letter_spacing.text = letterSpacing.toString()
             }
 
             override fun onStartTrackingTouch(seekBar: SeekBar?) {}
             override fun onStopTrackingTouch(seekBar: SeekBar?) {
-                letterSpacing = (seek_text_letter_spacing.progress - 5) / 10f
                 postEvent(Bus.UP_CONFIG, true)
             }
         })
         iv_text_letter_spacing_add.onClick {
             letterSpacing += 0.1f
             seek_text_letter_spacing.progress = (letterSpacing * 10).toInt() + 5
+            tv_text_letter_spacing.text = letterSpacing.toString()
             postEvent(Bus.UP_CONFIG, true)
         }
         iv_text_letter_spacing_remove.onClick {
             letterSpacing -= 0.1f
             seek_text_letter_spacing.progress = (letterSpacing * 10).toInt() + 5
+            tv_text_letter_spacing.text = letterSpacing.toString()
             postEvent(Bus.UP_CONFIG, true)
         }
         seek_line_size.setOnSeekBarChangeListener(object :
             SeekBar.OnSeekBarChangeListener {
             override fun onProgressChanged(seekBar: SeekBar?, progress: Int, fromUser: Boolean) {
-
+                lineSpacingExtra = seek_line_size.progress.toFloat()
+                tv_line_size.text = lineSpacingExtra.toString()
             }
 
             override fun onStartTrackingTouch(seekBar: SeekBar?) {}
             override fun onStopTrackingTouch(seekBar: SeekBar?) {
-                lineSpacingExtra = seek_line_size.progress.toFloat()
                 postEvent(Bus.UP_CONFIG, true)
             }
         })
         iv_line_size_add.onClick {
             lineSpacingExtra++
+            tv_line_size.text = lineSpacingExtra.toString()
             postEvent(Bus.UP_CONFIG, true)
         }
         iv_line_size_remove.onClick {
             lineSpacingExtra--
+            tv_line_size.text = lineSpacingExtra.toString()
             postEvent(Bus.UP_CONFIG, true)
         }
         rg_page_anim.onCheckedChange { _, checkedId ->
diff --git a/app/src/main/res/layout/dialog_read_book_style.xml b/app/src/main/res/layout/dialog_read_book_style.xml
index 362a1f6ae..a5b11670c 100644
--- a/app/src/main/res/layout/dialog_read_book_style.xml
+++ b/app/src/main/res/layout/dialog_read_book_style.xml
@@ -107,6 +107,10 @@
             android:background="?android:attr/selectableItemBackgroundBorderless"
             android:tint="@color/tv_text_default" />
 
+        <TextView
+            android:id="@+id/tv_text_size"
+            android:layout_width="40dp"
+            android:layout_height="wrap_content" />
     </LinearLayout>
 
     <LinearLayout
@@ -148,6 +152,11 @@
             android:background="?android:attr/selectableItemBackgroundBorderless"
             android:tint="@color/tv_text_default" />
 
+        <TextView
+            android:id="@+id/tv_text_letter_spacing"
+            android:layout_width="40dp"
+            android:layout_height="wrap_content" />
+
     </LinearLayout>
 
     <LinearLayout
@@ -189,6 +198,10 @@
             android:background="?android:attr/selectableItemBackgroundBorderless"
             android:tint="@color/tv_text_default" />
 
+        <TextView
+            android:id="@+id/tv_line_size"
+            android:layout_width="40dp"
+            android:layout_height="wrap_content" />
     </LinearLayout>
 
     <View