diff --git a/app/src/main/java/io/legado/app/utils/FileUtils.kt b/app/src/main/java/io/legado/app/utils/FileUtils.kt
index 2e07e1839..d82f6bca0 100644
--- a/app/src/main/java/io/legado/app/utils/FileUtils.kt
+++ b/app/src/main/java/io/legado/app/utils/FileUtils.kt
@@ -18,7 +18,7 @@ object FileUtils {
     }
 
     fun createFolderIfNotExist(root: File, vararg subDirs: String): File {
-        val filePath = root.absolutePath + File.separator + subDirs.joinToString(File.separator)
+        val filePath = getPath(root, subDirs = *subDirs)
         return createFolderIfNotExist(filePath)
     }