From f0ee3e41ba5aa97dd1e36491b114c91405ef4246 Mon Sep 17 00:00:00 2001
From: gedoor <gekunfei@live.com>
Date: Sun, 9 Jan 2022 22:49:59 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96?=
MIME-Version: 1.0
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---
 .../legado/app/ui/association/FileAssociationActivity.kt  | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/app/src/main/java/io/legado/app/ui/association/FileAssociationActivity.kt b/app/src/main/java/io/legado/app/ui/association/FileAssociationActivity.kt
index bf28c0ea2..fafe2b2a9 100644
--- a/app/src/main/java/io/legado/app/ui/association/FileAssociationActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/association/FileAssociationActivity.kt
@@ -107,6 +107,14 @@ class FileAssociationActivity :
                         val name = bookDoc?.name!!
                         val doc = treeDoc!!.findFile(name)
                         if (doc != null) {
+                            if (bookDoc.lastModified() > doc.lastModified()) {
+                                contentResolver.openOutputStream(doc.uri)!!.use { oStream ->
+                                    contentResolver.openInputStream(bookDoc.uri)!!.use { iStream ->
+                                        iStream.copyTo(oStream)
+                                        oStream.flush()
+                                    }
+                                }
+                            }
                             viewModel.importBook(doc.uri)
                         } else {
                             val nDoc = treeDoc.createFile(FileUtils.getMimeType(name), name)!!