diff --git a/app/src/main/java/io/legado/app/ui/readbook/ReadBookActivity.kt b/app/src/main/java/io/legado/app/ui/readbook/ReadBookActivity.kt
index 02f3bdfa6..99fd1f0fd 100644
--- a/app/src/main/java/io/legado/app/ui/readbook/ReadBookActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/readbook/ReadBookActivity.kt
@@ -177,7 +177,7 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_rea
     }
 
     fun showBgTextConfig() {
-        BgTextConfigDiolog().show(supportFragmentManager, "bgTextConfig")
+        BgTextConfigDialog().show(supportFragmentManager, "bgTextConfig")
     }
 
     override fun onCompatCreateOptionsMenu(menu: Menu): Boolean {
diff --git a/app/src/main/java/io/legado/app/ui/readbook/config/BgTextConfigDiolog.kt b/app/src/main/java/io/legado/app/ui/readbook/config/BgTextConfigDialog.kt
similarity index 96%
rename from app/src/main/java/io/legado/app/ui/readbook/config/BgTextConfigDiolog.kt
rename to app/src/main/java/io/legado/app/ui/readbook/config/BgTextConfigDialog.kt
index 63923a093..a1a29eeb5 100644
--- a/app/src/main/java/io/legado/app/ui/readbook/config/BgTextConfigDiolog.kt
+++ b/app/src/main/java/io/legado/app/ui/readbook/config/BgTextConfigDialog.kt
@@ -10,7 +10,7 @@ import androidx.fragment.app.DialogFragment
 import io.legado.app.R
 import io.legado.app.ui.readbook.Help
 
-class BgTextConfigDiolog : DialogFragment() {
+class BgTextConfigDialog : DialogFragment() {
 
     override fun onCreateView(
         inflater: LayoutInflater,