diff --git a/app/src/main/java/io/legado/app/base/BaseDialogFragment.kt b/app/src/main/java/io/legado/app/base/BaseDialogFragment.kt
index b66096cb7..fd69e79a0 100644
--- a/app/src/main/java/io/legado/app/base/BaseDialogFragment.kt
+++ b/app/src/main/java/io/legado/app/base/BaseDialogFragment.kt
@@ -2,6 +2,7 @@ package io.legado.app.base
 
 import android.content.DialogInterface
 import android.content.DialogInterface.OnDismissListener
+import android.os.Build
 import android.os.Bundle
 import android.view.View
 import androidx.annotation.LayoutRes
@@ -35,6 +36,13 @@ abstract class BaseDialogFragment(
         }
     }
 
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N) {
+            setStyle(STYLE_NO_TITLE, 0)
+        }
+    }
+
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         if (adaptationSoftKeyboard) {
diff --git a/app/src/main/java/io/legado/app/ui/about/AboutFragment.kt b/app/src/main/java/io/legado/app/ui/about/AboutFragment.kt
index ad12ed343..da459e0a6 100644
--- a/app/src/main/java/io/legado/app/ui/about/AboutFragment.kt
+++ b/app/src/main/java/io/legado/app/ui/about/AboutFragment.kt
@@ -74,8 +74,8 @@ class AboutFragment : PreferenceFragmentCompat() {
     /**
      * 显示md文件
      */
-    private fun showMdFile(title: String, FileName: String) {
-        val mdText = String(requireContext().assets.open(FileName).readBytes())
+    private fun showMdFile(title: String, fileName: String) {
+        val mdText = String(requireContext().assets.open(fileName).readBytes())
         showDialogFragment(TextDialog(title, mdText, TextDialog.Mode.MD))
     }