diff --git a/kernel/api/filetree.go b/kernel/api/filetree.go
index a8bb81b8a..cd02b1c94 100644
--- a/kernel/api/filetree.go
+++ b/kernel/api/filetree.go
@@ -114,11 +114,11 @@ func listDocTree(c *gin.Context) {
 
 	ids := map[string]bool{}
 	for _, entry := range dir {
-		if entry.IsDir() {
-			if strings.HasPrefix(entry.Name(), ".") {
-				continue
-			}
+		if strings.HasPrefix(entry.Name(), ".") {
+			continue
+		}
 
+		if entry.IsDir() {
 			if !ast.IsNodeIDPattern(entry.Name()) {
 				continue
 			}
@@ -134,7 +134,12 @@ func listDocTree(c *gin.Context) {
 				return
 			}
 		} else {
-			doc := &DocFile{ID: strings.TrimSuffix(entry.Name(), ".sy")}
+			id := strings.TrimSuffix(entry.Name(), ".sy")
+			if !ast.IsNodeIDPattern(id) {
+				continue
+			}
+
+			doc := &DocFile{ID: id}
 			if !ids[doc.ID] {
 				doctree = append(doctree, doc)
 			}
diff --git a/kernel/av/filter.go b/kernel/av/filter.go
index 9acb813ce..31f2834ef 100644
--- a/kernel/av/filter.go
+++ b/kernel/av/filter.go
@@ -146,11 +146,13 @@ func (value *Value) Filter(filter *ViewFilter, attrView *AttributeView, itemID s
 		return true
 	}
 
-	switch filter.Operator {
-	case FilterOperatorIsEmpty:
-		return value.IsEmpty()
-	case FilterOperatorIsNotEmpty:
-		return !value.IsEmpty()
+	if "" == filter.Qualifier {
+		switch filter.Operator {
+		case FilterOperatorIsEmpty:
+			return value.IsEmpty()
+		case FilterOperatorIsNotEmpty:
+			return !value.IsEmpty()
+		}
 	}
 
 	// 单独处理汇总
@@ -194,12 +196,30 @@ func (value *Value) Filter(filter *ViewFilter, attrView *AttributeView, itemID s
 
 		switch filter.Qualifier {
 		case FilterQuantifierUndefined, FilterQuantifierAny:
+			if len(value.Rollup.Contents) < len(relVal.Relation.Contents) { // 说明汇总的目标字段存在空值
+				if FilterOperatorIsEmpty == filter.Operator {
+					return true
+				} else if FilterOperatorIsNotEmpty == filter.Operator {
+					return false
+				}
+			}
+
 			for _, content := range value.Rollup.Contents {
 				if content.filter(filter.Value.Rollup.Contents[0], filter.RelativeDate, filter.RelativeDate2, filter.Operator) {
 					return true
 				}
 			}
 		case FilterQuantifierAll:
+			if len(value.Rollup.Contents) < len(relVal.Relation.Contents) {
+				if FilterOperatorIsEmpty == filter.Operator {
+					if 1 > len(value.Rollup.Contents) {
+						return true
+					}
+				} else if FilterOperatorIsNotEmpty == filter.Operator {
+					return false
+				}
+			}
+
 			for _, content := range value.Rollup.Contents {
 				if !content.filter(filter.Value.Rollup.Contents[0], filter.RelativeDate, filter.RelativeDate2, filter.Operator) {
 					return false
@@ -207,6 +227,14 @@ func (value *Value) Filter(filter *ViewFilter, attrView *AttributeView, itemID s
 			}
 			return true
 		case FilterQuantifierNone:
+			if len(value.Rollup.Contents) < len(relVal.Relation.Contents) {
+				if FilterOperatorIsEmpty == filter.Operator {
+					return false
+				} else if FilterOperatorIsNotEmpty == filter.Operator {
+					return true
+				}
+			}
+
 			for _, content := range value.Rollup.Contents {
 				if content.filter(filter.Value.Rollup.Contents[0], filter.RelativeDate, filter.RelativeDate2, filter.Operator) {
 					return false
@@ -265,6 +293,14 @@ func (value *Value) Filter(filter *ViewFilter, attrView *AttributeView, itemID s
 
 		switch filter.Qualifier {
 		case FilterQuantifierUndefined, FilterQuantifierAny:
+			if 1 > len(value.MAsset) { // 说明资源字段为空
+				if FilterOperatorIsEmpty == filter.Operator {
+					return true
+				} else if FilterOperatorIsNotEmpty == filter.Operator {
+					return false
+				}
+			}
+
 			for _, asset := range value.MAsset {
 				switch asset.Type {
 				case AssetTypeFile:
@@ -279,6 +315,14 @@ func (value *Value) Filter(filter *ViewFilter, attrView *AttributeView, itemID s
 				}
 			}
 		case FilterQuantifierAll:
+			if 1 > len(value.MAsset) {
+				if FilterOperatorIsEmpty == filter.Operator {
+					return true
+				} else if FilterOperatorIsNotEmpty == filter.Operator {
+					return false
+				}
+			}
+
 			for _, asset := range value.MAsset {
 				switch asset.Type {
 				case AssetTypeFile:
@@ -294,6 +338,14 @@ func (value *Value) Filter(filter *ViewFilter, attrView *AttributeView, itemID s
 			}
 			return true
 		case FilterQuantifierNone:
+			if 1 > len(value.MAsset) {
+				if FilterOperatorIsEmpty == filter.Operator {
+					return false
+				} else if FilterOperatorIsNotEmpty == filter.Operator {
+					return true
+				}
+			}
+
 			for _, asset := range value.MAsset {
 				switch asset.Type {
 				case AssetTypeFile:
diff --git a/kernel/model/attribute_view.go b/kernel/model/attribute_view.go
index 2795fb0c9..6901ed88b 100644
--- a/kernel/model/attribute_view.go
+++ b/kernel/model/attribute_view.go
@@ -1959,7 +1959,7 @@ func genAttrViewGroups(view *av.View, attrView *av.AttributeView) {
 				// 过去 30 天、过去 7 天、昨天、今天、明天、未来 7 天、未来 30 天
 				// 未来 30 天之后的按月分组
 				if contentTime.Before(todayStart.AddDate(0, 0, -30)) {
-					groupVal = contentTime.Format("2006-01") // 开头的数字用于排序，下同
+					groupVal = contentTime.Format("2006-01") // 开头的数字用于排序
 				} else if contentTime.Before(todayStart.AddDate(0, 0, -7)) {
 					groupVal = groupValueLast30Days
 				} else if contentTime.Before(todayStart.AddDate(0, 0, -1)) {
diff --git a/kernel/model/block.go b/kernel/model/block.go
index 248b13797..97a4f0ebf 100644
--- a/kernel/model/block.go
+++ b/kernel/model/block.go
@@ -786,6 +786,11 @@ func GetBlockDOMs(ids []string) (ret map[string]string) {
 		if nil == node {
 			continue
 		}
+
+		if parentFoldedHeading := treenode.GetParentFoldedHeading(node); nil != parentFoldedHeading {
+			node.SetIALAttr("parent-heading", parentFoldedHeading.ID)
+		}
+
 		ret[id] = luteEngine.RenderNodeBlockDOM(node)
 	}
 	return
diff --git a/kernel/model/box.go b/kernel/model/box.go
index 16768373c..ffcf8bdcb 100644
--- a/kernel/model/box.go
+++ b/kernel/model/box.go
@@ -102,17 +102,22 @@ func ListNotebooks() (ret []*Box, err error) {
 			continue
 		}
 
-		if !ast.IsNodeIDPattern(dir.Name()) {
+		id := dir.Name()
+		if !ast.IsNodeIDPattern(id) {
 			continue
 		}
 
 		boxConf := conf.NewBoxConf()
-		boxDirPath := filepath.Join(util.DataDir, dir.Name())
+		boxDirPath := filepath.Join(util.DataDir, id)
 		boxConfPath := filepath.Join(boxDirPath, ".siyuan", "conf.json")
 		isExistConf := filelock.IsExist(boxConfPath)
 		if !isExistConf {
-			// 数据同步时展开文档树操作可能导致数据丢失 https://github.com/siyuan-note/siyuan/issues/7129
-			logging.LogWarnf("found a corrupted box [%s]", boxDirPath)
+			if !IsUserGuide(id) {
+				// 数据同步时展开文档树操作可能导致数据丢失 https://github.com/siyuan-note/siyuan/issues/7129
+				logging.LogWarnf("found a corrupted box [%s]", boxDirPath)
+			} else {
+				continue
+			}
 		} else {
 			data, readErr := filelock.ReadFile(boxConfPath)
 			if nil != readErr {
@@ -126,7 +131,6 @@ func ListNotebooks() (ret []*Box, err error) {
 			}
 		}
 
-		id := dir.Name()
 		icon := boxConf.Icon
 		if strings.Contains(icon, ".") { // 说明是自定义图标
 			// XSS through emoji name https://github.com/siyuan-note/siyuan/issues/15034
diff --git a/kernel/model/conf.go b/kernel/model/conf.go
index 89930c322..76897e7e7 100644
--- a/kernel/model/conf.go
+++ b/kernel/model/conf.go
@@ -1131,6 +1131,7 @@ func closeUserGuide() {
 
 		unindex(boxID)
 
+		sql.FlushQueue()
 		if removeErr := filelock.Remove(boxDirPath); nil != removeErr {
 			logging.LogErrorf("remove corrupted user guide box [%s] failed: %s", boxDirPath, removeErr)
 		}
diff --git a/kernel/model/export.go b/kernel/model/export.go
index d5e2f87c1..6fa0c2a0d 100644
--- a/kernel/model/export.go
+++ b/kernel/model/export.go
@@ -2162,9 +2162,11 @@ func exportMarkdownContent0(id string, tree *parse.Tree, cloudAssetsBase string,
 							href = "#" + defID
 						}
 					}
-					href = strings.TrimPrefix(href, currentDocDir)
+					newHref := strings.TrimPrefix(href, currentDocDir)
+					if !strings.HasPrefix(newHref, ".md") {
+						href = newHref
+					}
 					href = util.FilterFilePath(href)
-					href = strings.TrimPrefix(href, "/")
 					blockRefLink := &ast.Node{Type: ast.NodeTextMark, TextMarkType: "a", TextMarkTextContent: linkText, TextMarkAHref: href}
 					blockRefLink.KramdownIAL = n.KramdownIAL
 					n.InsertBefore(blockRefLink)
diff --git a/kernel/model/transaction.go b/kernel/model/transaction.go
index f768c045d..0e0a1ea76 100644
--- a/kernel/model/transaction.go
+++ b/kernel/model/transaction.go
@@ -912,8 +912,12 @@ func (tx *Transaction) doDelete(operation *Operation) (ret *TxErr) {
 		node.Next.Unlink()
 	}
 
+	next := node.Next
 	node.Unlink()
 
+	parentFoldedHeading := treenode.GetParentFoldedHeading(next)
+	unfoldHeading(parentFoldedHeading)
+
 	if nil != parent && ast.NodeListItem == parent.Type && nil == parent.FirstChild {
 		needAppendEmptyListItem := true
 		for _, op := range tx.DoOperations {