diff --git a/app/src/main/java/io/legado/app/ui/book/read/config/BgTextConfigDialog.kt b/app/src/main/java/io/legado/app/ui/book/read/config/BgTextConfigDialog.kt
index b8d71b515..4b56b9aff 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/config/BgTextConfigDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/config/BgTextConfigDialog.kt
@@ -333,7 +333,10 @@ class BgTextConfigDialog : BaseDialogFragment(), FileChooserDialog.CallBack {
                 val bgName = FileUtils.getName(config.bgStr())
                 val bgPath = FileUtils.getPath(requireContext().externalFilesDir, "bg", bgName)
                 if (!FileUtils.exist(bgPath)) {
-                    FileUtils.getFile(configDir, bgName).copyTo(File(bgPath))
+                    val bgFile = FileUtils.getFile(configDir, bgName)
+                    if (bgFile.exists()) {
+                        bgFile.copyTo(File(bgPath))
+                    }
                 }
             }
             ReadBookConfig.durConfig = config