diff --git a/kernel/filesys/tree.go b/kernel/filesys/tree.go
index 3e06492e5..64f453250 100644
--- a/kernel/filesys/tree.go
+++ b/kernel/filesys/tree.go
@@ -82,11 +82,13 @@ func LoadTreeByData(data []byte, boxID, p string, luteEngine *lute.Lute) (ret *p
 		parentData, readErr := filelock.ReadFile(parentAbsPath)
 		if nil != readErr {
 			if os.IsNotExist(readErr) {
+				// 子文档缺失父文档时自动补全 https://github.com/siyuan-note/siyuan/issues/7376
 				parentTree := treenode.NewTree(boxID, parentPath, hPathBuilder.String()+"Untitled", "Untitled")
 				if writeErr := WriteTree(parentTree); nil != writeErr {
 					logging.LogErrorf("rebuild parent tree [%s] failed: %s", parentAbsPath, writeErr)
 				} else {
 					logging.LogInfof("rebuilt parent tree [%s]", parentAbsPath)
+					treenode.IndexBlockTree(parentTree)
 				}
 			} else {
 				logging.LogWarnf("read parent tree data [%s] failed: %s", parentAbsPath, readErr)
diff --git a/kernel/model/index_fix.go b/kernel/model/index_fix.go
index e7b742738..cd4d08ca9 100644
--- a/kernel/model/index_fix.go
+++ b/kernel/model/index_fix.go
@@ -128,9 +128,26 @@ func resetDuplicateBlocksOnFileSys() {
 		boxPath := filepath.Join(util.DataDir, box.ID)
 		filepath.Walk(boxPath, func(path string, info os.FileInfo, err error) error {
 			if info.IsDir() {
+				if boxPath == path {
+					// 跳过根路径（笔记本文件夹）
+					return nil
+				}
+
 				if strings.HasPrefix(info.Name(), ".") {
 					return filepath.SkipDir
 				}
+
+				if !ast.IsNodeIDPattern(info.Name()) {
+					return nil
+				}
+
+				if util.IsEmptyDir(filepath.Join(path)) {
+					// 删除空的子文档文件夹
+					if removeErr := os.RemoveAll(path); nil != removeErr {
+						logging.LogErrorf("remove empty folder failed: %s", removeErr)
+					}
+					return nil
+				}
 				return nil
 			}
 
@@ -234,6 +251,11 @@ func fixBlockTreeByFileSys() {
 		boxPath := filepath.Join(util.DataDir, box.ID)
 		var paths []string
 		filepath.Walk(boxPath, func(path string, info os.FileInfo, err error) error {
+			if boxPath == path {
+				// 跳过根路径（笔记本文件夹）
+				return nil
+			}
+
 			if info.IsDir() {
 				if strings.HasPrefix(info.Name(), ".") {
 					return filepath.SkipDir