diff --git a/kernel/model/box.go b/kernel/model/box.go
index f8a495525..a3347080d 100644
--- a/kernel/model/box.go
+++ b/kernel/model/box.go
@@ -562,7 +562,7 @@ func FullReindex() {
 		openedBox.Index(true)
 	}
 	IndexRefs()
-	treenode.SaveBlockTree()
+	treenode.SaveBlockTree(true)
 	InitFlashcards()
 
 	util.PushEndlessProgress(Conf.Language(58))
diff --git a/kernel/model/conf.go b/kernel/model/conf.go
index f96109f80..59e156322 100644
--- a/kernel/model/conf.go
+++ b/kernel/model/conf.go
@@ -424,7 +424,7 @@ func Close(force bool, execInstallPkg int) (exitCode int) {
 
 	Conf.Close()
 	sql.CloseDatabase()
-	treenode.SaveBlockTree()
+	treenode.SaveBlockTree(false)
 	clearWorkspaceTemp()
 	clearPortJSON()
 	util.UnlockWorkspace()
@@ -601,7 +601,7 @@ func InitBoxes() {
 	}
 
 	if !initialized {
-		treenode.SaveBlockTree()
+		treenode.SaveBlockTree(true)
 	}
 
 	var dbSize string
diff --git a/kernel/model/mount.go b/kernel/model/mount.go
index ad35cebda..a3c72b5e0 100644
--- a/kernel/model/mount.go
+++ b/kernel/model/mount.go
@@ -199,7 +199,7 @@ func Mount(boxID string) (alreadyMount bool, err error) {
 	IndexRefs()
 	// 缓存根一级的文档树展开
 	ListDocTree(box.ID, "/", Conf.FileTree.Sort)
-	treenode.SaveBlockTree()
+	treenode.SaveBlockTree(false)
 	util.ClearPushProgress(100)
 	if reMountGuide {
 		return true, nil
diff --git a/kernel/treenode/blocktree.go b/kernel/treenode/blocktree.go
index bae71b186..de5bc4ef8 100644
--- a/kernel/treenode/blocktree.go
+++ b/kernel/treenode/blocktree.go
@@ -259,7 +259,7 @@ func IndexBlockTree(tree *parse.Tree) {
 
 func AutoFlushBlockTree() {
 	for {
-		SaveBlockTree()
+		SaveBlockTree(false)
 		time.Sleep(7 * time.Second)
 	}
 }
@@ -307,8 +307,8 @@ func InitBlockTree(force bool) {
 	return
 }
 
-func SaveBlockTree() {
-	if !blockTreesChanged {
+func SaveBlockTree(force bool) {
+	if !force && !blockTreesChanged {
 		return
 	}