diff --git a/app/src/main/java/io/legado/app/help/ReadBookConfig.kt b/app/src/main/java/io/legado/app/help/ReadBookConfig.kt
index d76027909..2598e9c94 100644
--- a/app/src/main/java/io/legado/app/help/ReadBookConfig.kt
+++ b/app/src/main/java/io/legado/app/help/ReadBookConfig.kt
@@ -135,7 +135,7 @@ object ReadBookConfig {
 
     //配置写入读取
     var readBodyToLh = appCtx.getPrefBoolean(PreferKey.readBodyToLh, true)
-    var autoReadSpeed = appCtx.getPrefInt(PreferKey.autoReadSpeed, 46)
+    var autoReadSpeed = appCtx.getPrefInt(PreferKey.autoReadSpeed, 10)
         set(value) {
             field = value
             appCtx.putPrefInt(PreferKey.autoReadSpeed, value)
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 448d0795e..65bbfc910 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
@@ -700,7 +700,9 @@ class ReadBookActivity : ReadBookBaseActivity(),
         var delayMillis = ReadBookConfig.autoReadSpeed * 1000L / binding.readView.height
         var scrollOffset = 1
         if (delayMillis < 20) {
-            scrollOffset = 20 / delayMillis.toInt()
+            var delayInt=delayMillis.toInt()
+            if(delayInt==0)delayInt =1
+            scrollOffset = 20 / delayInt
             delayMillis = 20
         }
         mHandler.removeCallbacks(autoPageRunnable)
diff --git a/app/src/main/java/io/legado/app/ui/book/read/config/AutoReadDialog.kt b/app/src/main/java/io/legado/app/ui/book/read/config/AutoReadDialog.kt
index 9c9f774ff..bd7b835b8 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/config/AutoReadDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/config/AutoReadDialog.kt
@@ -73,7 +73,7 @@ class AutoReadDialog : BaseDialogFragment() {
     }
 
     private fun initData() {
-        val speed = if (ReadBookConfig.autoReadSpeed < 10) 10 else ReadBookConfig.autoReadSpeed
+        val speed = if (ReadBookConfig.autoReadSpeed < 2) 2 else ReadBookConfig.autoReadSpeed
         binding.tvReadSpeed.text = String.format("%ds", speed)
         binding.seekAutoRead.progress = speed
     }
@@ -81,13 +81,13 @@ class AutoReadDialog : BaseDialogFragment() {
     private fun initOnChange() {
         binding.seekAutoRead.setOnSeekBarChangeListener(object : SeekBarChangeListener {
             override fun onProgressChanged(seekBar: SeekBar, progress: Int, fromUser: Boolean) {
-                val speed = if (progress < 10) 10 else progress
+                val speed = if (progress < 2) 2 else progress
                 binding.tvReadSpeed.text = String.format("%ds", speed)
             }
 
             override fun onStopTrackingTouch(seekBar: SeekBar) {
                 ReadBookConfig.autoReadSpeed =
-                    if (binding.seekAutoRead.progress < 10) 10 else binding.seekAutoRead.progress
+                    if (binding.seekAutoRead.progress < 2) 2 else binding.seekAutoRead.progress
                 upTtsSpeechRate()
             }
         })
diff --git a/app/src/main/res/layout/dialog_auto_read.xml b/app/src/main/res/layout/dialog_auto_read.xml
index fb662cc73..9a2e1e196 100644
--- a/app/src/main/res/layout/dialog_auto_read.xml
+++ b/app/src/main/res/layout/dialog_auto_read.xml
@@ -47,8 +47,8 @@
             android:layout_height="wrap_content"
             android:layout_marginStart="15dp"
             android:layout_marginEnd="15dp"
-            android:min="10"
-            android:max="100"
+            android:min="2"
+            android:max="60"
             tools:ignore="UnusedAttribute" />
 
     </LinearLayout>