diff --git a/app/src/main/java/io/legado/app/ui/config/OtherConfigFragment.kt b/app/src/main/java/io/legado/app/ui/config/OtherConfigFragment.kt
index 47e837ffe..2898f5f17 100644
--- a/app/src/main/java/io/legado/app/ui/config/OtherConfigFragment.kt
+++ b/app/src/main/java/io/legado/app/ui/config/OtherConfigFragment.kt
@@ -63,7 +63,7 @@ class OtherConfigFragment : PreferenceFragmentCompat(),
                 .setMinValue(1)
                 .setValue(requireContext().threadCount)
                 .show {
-                    requireContext().putPrefInt(PreferKey.threadCount, it)
+                    putPrefInt(PreferKey.threadCount, it)
                 }
             PreferKey.downloadPath -> FileChooserDialog.show(
                 childFragmentManager,