diff --git a/app/src/main/java/io/legado/app/ui/config/ThemeListDialog.kt b/app/src/main/java/io/legado/app/ui/config/ThemeListDialog.kt
index 87cb180dd..a1b93262d 100644
--- a/app/src/main/java/io/legado/app/ui/config/ThemeListDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/config/ThemeListDialog.kt
@@ -86,6 +86,7 @@ class ThemeListDialog : BaseDialogFragment(), Toolbar.OnMenuItemClickListener {
         alert(R.string.delete, R.string.sure_del) {
             okButton {
                 ThemeConfig.configList.removeAt(index)
+                ThemeConfig.save()
                 initData()
             }
             noButton()