diff --git a/kernel/api/extension.go b/kernel/api/extension.go
index 7e9b259a3..79831c145 100644
--- a/kernel/api/extension.go
+++ b/kernel/api/extension.go
@@ -123,7 +123,7 @@ func extensionCopy(c *gin.Context) {
 
 	md, withMath, _ := model.HTML2Markdown(dom)
 	md = strings.TrimSpace(md)
-	luteEngine := util.NewStdLute()
+	luteEngine := util.NewLute()
 	if withMath {
 		luteEngine.SetInlineMath(true)
 	}
@@ -153,6 +153,8 @@ func extensionCopy(c *gin.Context) {
 		unlink.Unlink()
 	}
 
+	parse.NestedInlines2FlattedSpans(tree, false)
+
 	md, _ = lute.FormatNodeSync(tree.Root, luteEngine.ParseOptions, luteEngine.RenderOptions)
 	ret.Data = map[string]interface{}{
 		"md":       md,
diff --git a/kernel/go.mod b/kernel/go.mod
index e04591c10..43946883c 100644
--- a/kernel/go.mod
+++ b/kernel/go.mod
@@ -8,7 +8,7 @@ require (
 	github.com/88250/epub v0.0.0-20230830085737-c19055cd1f48
 	github.com/88250/go-humanize v0.0.0-20240424102817-4f78fac47ea7
 	github.com/88250/gulu v1.2.3-0.20240505150113-bc43bd50f866
-	github.com/88250/lute v1.7.7-0.20240520140444-22dd5810b592
+	github.com/88250/lute v1.7.7-0.20240521082334-e9cac81ed1b3
 	github.com/88250/pdfcpu v0.3.14-0.20230401044135-c7369a99720c
 	github.com/88250/vitess-sqlparser v0.0.0-20210205111146-56a2ded2aba1
 	github.com/ClarkThan/ahocorasick v0.0.0-20231011042242-30d1ef1347f4
@@ -172,7 +172,8 @@ require (
 
 replace github.com/mattn/go-sqlite3 => github.com/88250/go-sqlite3 v1.14.13-0.20231214121541-e7f54c482950
 
-//replace github.com/88250/lute => F:\golang\gopath\src\github.com\88250\lute
+replace github.com/88250/lute => F:\golang\gopath\src\github.com\88250\lute
+
 //replace github.com/siyuan-note/dejavu => D:\88250\dejavu
 //replace github.com/siyuan-note/riff => D:\88250\riff
 //replace github.com/siyuan-note/httpclient => D:\88250\httpclient
diff --git a/kernel/go.sum b/kernel/go.sum
index 1f9fafe5a..bc3a6cb0c 100644
--- a/kernel/go.sum
+++ b/kernel/go.sum
@@ -12,8 +12,6 @@ github.com/88250/go-sqlite3 v1.14.13-0.20231214121541-e7f54c482950 h1:Pa5hMiBceT
 github.com/88250/go-sqlite3 v1.14.13-0.20231214121541-e7f54c482950/go.mod h1:NyWgC/yNuGj7Q9rpYnZvas74GogHl5/Z4A/KQRfk6bU=
 github.com/88250/gulu v1.2.3-0.20240505150113-bc43bd50f866 h1:RFfNFS0hv6TbOuwET6xZAfGlV4hNlXiWTnfbLN1eF6k=
 github.com/88250/gulu v1.2.3-0.20240505150113-bc43bd50f866/go.mod h1:MUfzyfmbPrRDZLqxc7aPrVYveatTHRfoUa5TynPS0i8=
-github.com/88250/lute v1.7.7-0.20240520140444-22dd5810b592 h1:ICYi44ga/+kHbOGy8JpPBnhUE5DFary8K4+b0GbduVw=
-github.com/88250/lute v1.7.7-0.20240520140444-22dd5810b592/go.mod h1:VDAzL8b+oCh+e3NAlmwwLzC53ten0rZlS8NboB7ljtk=
 github.com/88250/pdfcpu v0.3.14-0.20230401044135-c7369a99720c h1:Dl/8S9iLyPMTElnWIBxmjaLiWrkI5P4a21ivwAn5pU0=
 github.com/88250/pdfcpu v0.3.14-0.20230401044135-c7369a99720c/go.mod h1:S5YT38L/GCjVjmB4PB84PymA1qfopjEhfhTNQilLpv4=
 github.com/88250/vitess-sqlparser v0.0.0-20210205111146-56a2ded2aba1 h1:48T899JQDwyyRu9yXHePYlPdHtpJfrJEUGBMH3SMBWY=