diff --git a/kernel/model/blockial.go b/kernel/model/blockial.go
index d5f3db007..603af84d5 100644
--- a/kernel/model/blockial.go
+++ b/kernel/model/blockial.go
@@ -232,7 +232,7 @@ func setNodeAttrs0(node *ast.Node, nameValues map[string]string) (oldAttrs map[s
 	}
 
 	for name, value := range nameValues {
-		value = util.RemoveInvalid(value)
+		value = util.RemoveInvalidRetainCtrl(value)
 		value = strings.TrimSpace(value)
 		value = strings.TrimSuffix(value, ",")
 		if "" == value {
diff --git a/kernel/model/blockinfo.go b/kernel/model/blockinfo.go
index f0e291fea..dc0b1f48d 100644
--- a/kernel/model/blockinfo.go
+++ b/kernel/model/blockinfo.go
@@ -240,7 +240,7 @@ func GetBlockRefText(id string) string {
 func GetDOMText(dom string) (ret string) {
 	luteEngine := NewLute()
 	tree := luteEngine.BlockDOM2Tree(dom)
-	ret = renderBlockText(tree.Root.FirstChild, nil)
+	ret = renderBlockText(tree.Root.FirstChild, nil, true)
 	return
 }
 
@@ -265,7 +265,7 @@ func getNodeRefText(node *ast.Node) string {
 		ret = util.EscapeHTML(ret)
 		return ret
 	}
-	return getNodeRefText0(node, Conf.Editor.BlockRefDynamicAnchorTextMaxLen)
+	return getNodeRefText0(node, Conf.Editor.BlockRefDynamicAnchorTextMaxLen, true)
 }
 
 func getNodeAvBlockText(node *ast.Node) (icon, content string) {
@@ -279,7 +279,7 @@ func getNodeAvBlockText(node *ast.Node) (icon, content string) {
 		name = util.EscapeHTML(name)
 		content = name
 	} else {
-		content = getNodeRefText0(node, 1024)
+		content = getNodeRefText0(node, 1024, false)
 	}
 
 	content = strings.TrimSpace(content)
@@ -290,7 +290,7 @@ func getNodeAvBlockText(node *ast.Node) (icon, content string) {
 	return
 }
 
-func getNodeRefText0(node *ast.Node, maxLen int) string {
+func getNodeRefText0(node *ast.Node, maxLen int, removeLineBreak bool) string {
 	switch node.Type {
 	case ast.NodeBlockQueryEmbed:
 		return "Query Embed Block..."
@@ -313,7 +313,7 @@ func getNodeRefText0(node *ast.Node, maxLen int) string {
 	if ast.NodeDocument != node.Type && node.IsContainerBlock() {
 		node = treenode.FirstLeafBlock(node)
 	}
-	ret := renderBlockText(node, nil)
+	ret := renderBlockText(node, nil, removeLineBreak)
 	if maxLen < utf8.RuneCountInString(ret) {
 		ret = gulu.Str.SubStr(ret, maxLen) + "..."
 	}
@@ -481,9 +481,9 @@ func buildBlockBreadcrumb(node *ast.Node, excludeTypes []string, isEmbedBlock bo
 		} else {
 			if "" == name {
 				if ast.NodeListItem == parent.Type || ast.NodeList == parent.Type || ast.NodeSuperBlock == parent.Type || ast.NodeBlockquote == parent.Type {
-					name = gulu.Str.SubStr(renderBlockText(fc, excludeTypes), maxNameLen)
+					name = gulu.Str.SubStr(renderBlockText(fc, excludeTypes, true), maxNameLen)
 				} else {
-					name = gulu.Str.SubStr(renderBlockText(parent, excludeTypes), maxNameLen)
+					name = gulu.Str.SubStr(renderBlockText(parent, excludeTypes, true), maxNameLen)
 				}
 			}
 			if ast.NodeHeading == parent.Type {
@@ -504,7 +504,7 @@ func buildBlockBreadcrumb(node *ast.Node, excludeTypes []string, isEmbedBlock bo
 		}
 		if ast.NodeListItem == parent.Type {
 			if "" == name {
-				name = gulu.Str.SubStr(renderBlockText(fc, excludeTypes), maxNameLen)
+				name = gulu.Str.SubStr(renderBlockText(fc, excludeTypes, true), maxNameLen)
 			}
 		}
 
@@ -542,7 +542,7 @@ func buildBlockBreadcrumb(node *ast.Node, excludeTypes []string, isEmbedBlock bo
 					continue
 				}
 
-				name = gulu.Str.SubStr(renderBlockText(b, excludeTypes), maxNameLen)
+				name = gulu.Str.SubStr(renderBlockText(b, excludeTypes, true), maxNameLen)
 				name = util.EscapeHTML(name)
 				ret = append([]*BlockPath{{
 					ID:      b.ID,
diff --git a/kernel/model/heading.go b/kernel/model/heading.go
index 0da46a492..b9749d0f3 100644
--- a/kernel/model/heading.go
+++ b/kernel/model/heading.go
@@ -296,7 +296,7 @@ func Heading2Doc(srcHeadingID, targetBoxID, targetPath, previousPath string) (sr
 	}
 
 	box := Conf.Box(targetBoxID)
-	headingText := getNodeRefText0(headingNode, Conf.Editor.BlockRefDynamicAnchorTextMaxLen)
+	headingText := getNodeRefText0(headingNode, Conf.Editor.BlockRefDynamicAnchorTextMaxLen, true)
 	if strings.Contains(headingText, "/") {
 		headingText = strings.ReplaceAll(headingText, "/", "_")
 		util.PushMsg(Conf.language(246), 7000)
diff --git a/kernel/model/render.go b/kernel/model/render.go
index 5fcace663..82d459e20 100644
--- a/kernel/model/render.go
+++ b/kernel/model/render.go
@@ -103,14 +103,16 @@ func renderOutline(heading *ast.Node, luteEngine *lute.Lute) (ret string) {
 	return
 }
 
-func renderBlockText(node *ast.Node, excludeTypes []string) (ret string) {
+func renderBlockText(node *ast.Node, excludeTypes []string, removeLineBreak bool) (ret string) {
 	if nil == node {
 		return
 	}
 
 	ret = sql.NodeStaticContent(node, excludeTypes, false, false, false)
 	ret = strings.TrimSpace(ret)
-	ret = strings.ReplaceAll(ret, "\n", "")
+	if removeLineBreak {
+		ret = strings.ReplaceAll(ret, "\n", "")
+	}
 	ret = util.UnescapeHTML(ret)
 	ret = util.EscapeHTML(ret)
 	ret = strings.TrimSpace(ret)
diff --git a/kernel/util/rune.go b/kernel/util/rune.go
index 3e385d5ae..c6b3593a0 100644
--- a/kernel/util/rune.go
+++ b/kernel/util/rune.go
@@ -20,6 +20,7 @@ import (
 	"os"
 	"path/filepath"
 	"regexp"
+	"strings"
 	"unicode"
 
 	"github.com/88250/gulu"
@@ -69,6 +70,13 @@ func RemoveInvalid(text string) (ret string) {
 	return
 }
 
+func RemoveInvalidRetainCtrl(text string) (ret string) {
+	ret = strings.ReplaceAll(text, "\u00A0", " ") // NBSP 转换为普通空格
+	ret = gulu.Str.RemoveZeroWidthCharacters(ret)
+	ret = gulu.Str.RemovePUA(ret)
+	return
+}
+
 var NativeEmojiChars = map[string]bool{}
 
 func InitEmojiChars() {