diff --git a/kernel/model/block.go b/kernel/model/block.go
index bf0bd7a20..671ccf9be 100644
--- a/kernel/model/block.go
+++ b/kernel/model/block.go
@@ -547,6 +547,22 @@ func GetHeadingChildrenDOM(id string) (ret string) {
 	nodes := append([]*ast.Node{}, heading)
 	children := treenode.HeadingChildren(heading)
 	nodes = append(nodes, children...)
+
+	// 取消折叠 https://github.com/siyuan-note/siyuan/issues/13232#issuecomment-2535955152
+	for _, child := range children {
+		ast.Walk(child, func(n *ast.Node, entering bool) ast.WalkStatus {
+			if !entering {
+				return ast.WalkContinue
+			}
+
+			n.RemoveIALAttr("heading-fold")
+			n.RemoveIALAttr("fold")
+			return ast.WalkContinue
+		})
+	}
+	heading.RemoveIALAttr("fold")
+	heading.RemoveIALAttr("heading-fold")
+
 	luteEngine := util.NewLute()
 	ret = renderBlockDOMByNodes(nodes, luteEngine)
 	return
diff --git a/kernel/model/blockial.go b/kernel/model/blockial.go
index 8af83a689..d5f3db007 100644
--- a/kernel/model/blockial.go
+++ b/kernel/model/blockial.go
@@ -215,6 +215,22 @@ func setNodeAttrs0(node *ast.Node, nameValues map[string]string) (oldAttrs map[s
 		}
 	}
 
+	if tag, ok := nameValues["tags"]; ok {
+		var tags []string
+		tmp := strings.Split(tag, ",")
+		for _, t := range tmp {
+			t = util.RemoveInvalid(t)
+			t = strings.TrimSpace(t)
+			if "" != t {
+				tags = append(tags, t)
+			}
+		}
+		tags = gulu.Str.RemoveDuplicatedElem(tags)
+		if 0 < len(tags) {
+			nameValues["tags"] = strings.Join(tags, ",")
+		}
+	}
+
 	for name, value := range nameValues {
 		value = util.RemoveInvalid(value)
 		value = strings.TrimSpace(value)
diff --git a/kernel/model/heading.go b/kernel/model/heading.go
index 85219079d..f5ecd7ffa 100644
--- a/kernel/model/heading.go
+++ b/kernel/model/heading.go
@@ -22,6 +22,7 @@ import (
 	"path"
 	"path/filepath"
 	"strings"
+	"sync"
 
 	"github.com/88250/gulu"
 	"github.com/88250/lute/ast"
@@ -117,12 +118,16 @@ func (tx *Transaction) doUnfoldHeading(operation *Operation) (ret *TxErr) {
 	return
 }
 
+var docConvertLock = sync.Mutex{}
+
 func Doc2Heading(srcID, targetID string, after bool) (srcTreeBox, srcTreePath string, err error) {
 	if !ast.IsNodeIDPattern(srcID) || !ast.IsNodeIDPattern(targetID) {
 		return
 	}
 
 	FlushTxQueue()
+	docConvertLock.Lock()
+	defer docConvertLock.Unlock()
 
 	srcTree, _ := LoadTreeByBlockID(srcID)
 	if nil == srcTree {
@@ -277,6 +282,8 @@ func Doc2Heading(srcID, targetID string, after bool) (srcTreeBox, srcTreePath st
 
 func Heading2Doc(srcHeadingID, targetBoxID, targetPath, previousPath string) (srcRootBlockID, newTargetPath string, err error) {
 	FlushTxQueue()
+	docConvertLock.Lock()
+	defer docConvertLock.Unlock()
 
 	srcTree, _ := LoadTreeByBlockID(srcHeadingID)
 	if nil == srcTree {
diff --git a/kernel/model/import.go b/kernel/model/import.go
index 1745c6d0d..7a587d5ce 100644
--- a/kernel/model/import.go
+++ b/kernel/model/import.go
@@ -49,6 +49,7 @@ import (
 	"github.com/siyuan-note/siyuan/kernel/av"
 	"github.com/siyuan-note/siyuan/kernel/filesys"
 	"github.com/siyuan-note/siyuan/kernel/sql"
+	"github.com/siyuan-note/siyuan/kernel/task"
 	"github.com/siyuan-note/siyuan/kernel/treenode"
 	"github.com/siyuan-note/siyuan/kernel/util"
 )
@@ -612,6 +613,8 @@ func ImportSY(zipPath, boxID, toPath string) (err error) {
 	}
 
 	IncSync()
+
+	task.AppendTask(task.UpdateIDs, util.PushUpdateIDs, blockIDs)
 	return
 }
 
diff --git a/kernel/model/listitem.go b/kernel/model/listitem.go
index e2f97b27b..8e2acb59e 100644
--- a/kernel/model/listitem.go
+++ b/kernel/model/listitem.go
@@ -29,6 +29,8 @@ import (
 
 func ListItem2Doc(srcListItemID, targetBoxID, targetPath, previousPath string) (srcRootBlockID, newTargetPath string, err error) {
 	FlushTxQueue()
+	docConvertLock.Lock()
+	defer docConvertLock.Unlock()
 
 	srcTree, _ := LoadTreeByBlockID(srcListItemID)
 	if nil == srcTree {
diff --git a/kernel/task/queue.go b/kernel/task/queue.go
index 30f47ca59..02f8197ba 100644
--- a/kernel/task/queue.go
+++ b/kernel/task/queue.go
@@ -138,6 +138,7 @@ const (
 	ReloadProtyle                   = "task.reload.protyle"                // 重新加载编辑器
 	SetRefDynamicText               = "task.ref.setDynamicText"            // 设置引用的动态锚文本
 	SetDefRefCount                  = "task.def.setRefCount"               // 设置定义的引用计数
+	UpdateIDs                       = "task.update.ids"                    // 更新 ID
 	PushMsg                         = "task.push.msg"                      // 推送消息
 )
 
@@ -157,6 +158,7 @@ var uniqueActions = []string{
 	ReloadProtyle,
 	SetRefDynamicText,
 	SetDefRefCount,
+	UpdateIDs,
 }
 
 func ContainIndexTask() bool {
diff --git a/kernel/util/websocket.go b/kernel/util/websocket.go
index cf43e9344..b01f007fc 100644
--- a/kernel/util/websocket.go
+++ b/kernel/util/websocket.go
@@ -241,6 +241,10 @@ func PushClearProgress() {
 	BroadcastByType("main", "cprogress", 0, "", nil)
 }
 
+func PushUpdateIDs(ids map[string]string) {
+	BroadcastByType("main", "updateids", 0, "", ids)
+}
+
 func PushReloadDoc(rootID string) {
 	BroadcastByType("main", "reloaddoc", 0, "", rootID)
 }