From b7beab267dfd0733e5f567ffe06e0f6cf2df9acf Mon Sep 17 00:00:00 2001
From: Liang Ding <d@b3log.org>
Date: Fri, 1 Jul 2022 23:08:56 +0800
Subject: [PATCH] =?UTF-8?q?:art:=20=E5=BD=93=E8=87=AA=E5=AE=9A=E4=B9=89?=
 =?UTF-8?q?=E6=8E=92=E5=BA=8F=E6=97=B6=E6=94=AF=E6=8C=81=E5=9C=A8=E6=96=87?=
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---
 kernel/model/file.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/kernel/model/file.go b/kernel/model/file.go
index c89ed3b75..7a1f7b6ac 100644
--- a/kernel/model/file.go
+++ b/kernel/model/file.go
@@ -1483,6 +1483,10 @@ func rootChildIDs(rootID string) (ret []string) {
 }
 
 func ChangeFileTreeSort(boxID string, paths []string) {
+	if 1 > len(paths) {
+		return
+	}
+
 	WaitForWritingFiles()
 	writingDataLock.Lock()
 	defer writingDataLock.Unlock()