diff --git a/kernel/model/assets.go b/kernel/model/assets.go
index e21046a33..d2050f959 100644
--- a/kernel/model/assets.go
+++ b/kernel/model/assets.go
@@ -1001,7 +1001,7 @@ func assetsLinkDestsInNode(node *ast.Node) (ret []string) {
 				k := kv[0]
 				if strings.HasPrefix(k, "custom-data-assets") {
 					dest := kv[1]
-					if "" == dest || !treenode.IsRelativePath([]byte(dest)) {
+					if "" == dest || !util.IsAssetLinkDest([]byte(dest)) {
 						continue
 					}
 					ret = append(ret, dest)
@@ -1017,21 +1017,21 @@ func assetsLinkDestsInNode(node *ast.Node) (ret []string) {
 		}
 
 		if ast.NodeLinkDest == n.Type {
-			if !treenode.IsRelativePath(n.Tokens) {
+			if !util.IsAssetLinkDest(n.Tokens) {
 				return ast.WalkContinue
 			}
 
 			dest := strings.TrimSpace(string(n.Tokens))
 			ret = append(ret, dest)
 		} else if n.IsTextMarkType("a") {
-			if !treenode.IsRelativePath(gulu.Str.ToBytes(n.TextMarkAHref)) {
+			if !util.IsAssetLinkDest(gulu.Str.ToBytes(n.TextMarkAHref)) {
 				return ast.WalkContinue
 			}
 
 			dest := strings.TrimSpace(n.TextMarkAHref)
 			ret = append(ret, dest)
 		} else if n.IsTextMarkType("file-annotation-ref") {
-			if !treenode.IsRelativePath(gulu.Str.ToBytes(n.TextMarkFileAnnotationRefID)) {
+			if !util.IsAssetLinkDest(gulu.Str.ToBytes(n.TextMarkFileAnnotationRefID)) {
 				return ast.WalkContinue
 			}
 
@@ -1057,7 +1057,7 @@ func assetsLinkDestsInNode(node *ast.Node) (ret []string) {
 
 						for _, asset := range value.MAsset {
 							dest := asset.Content
-							if !treenode.IsRelativePath([]byte(dest)) {
+							if !util.IsAssetLinkDest([]byte(dest)) {
 								continue
 							}
 
@@ -1068,7 +1068,7 @@ func assetsLinkDestsInNode(node *ast.Node) (ret []string) {
 					for _, value := range keyValues.Values {
 						if nil != value.URL {
 							dest := value.URL.Content
-							if !treenode.IsRelativePath([]byte(dest)) {
+							if !util.IsAssetLinkDest([]byte(dest)) {
 								continue
 							}
 
@@ -1085,7 +1085,7 @@ func assetsLinkDestsInNode(node *ast.Node) (ret []string) {
 					// 兼容两种属性名 custom-data-assets 和 data-assets https://github.com/siyuan-note/siyuan/issues/4122#issuecomment-1154796568
 					dataAssets = n.IALAttr("data-assets")
 				}
-				if "" == dataAssets || !treenode.IsRelativePath([]byte(dataAssets)) {
+				if "" == dataAssets || !util.IsAssetLinkDest([]byte(dataAssets)) {
 					return ast.WalkContinue
 				}
 				ret = append(ret, dataAssets)
diff --git a/kernel/model/export.go b/kernel/model/export.go
index bbaef5aee..63b34a5a0 100644
--- a/kernel/model/export.go
+++ b/kernel/model/export.go
@@ -1536,6 +1536,10 @@ func exportSYZip(boxID, rootDirPath, baseFolderName string, docPaths []string) (
 	refTrees := map[string]*parse.Tree{}
 	luteEngine := util.NewLute()
 	for i, p := range docPaths {
+		if !strings.HasSuffix(p, ".sy") {
+			continue
+		}
+
 		tree, err := filesys.LoadTree(boxID, p, luteEngine)
 		if err != nil {
 			continue
@@ -1622,7 +1626,9 @@ func exportSYZip(boxID, rootDirPath, baseFolderName string, docPaths []string) (
 		assets = append(assets, assetsLinkDestsInTree(tree)...)
 		titleImgPath := treenode.GetDocTitleImgPath(tree.Root) // Export .sy.zip doc title image is not exported https://github.com/siyuan-note/siyuan/issues/8748
 		if "" != titleImgPath {
-			assets = append(assets, titleImgPath)
+			if util.IsAssetLinkDest([]byte(titleImgPath)) {
+				assets = append(assets, titleImgPath)
+			}
 		}
 
 		for _, asset := range assets {
@@ -1697,7 +1703,7 @@ func exportSYZip(boxID, rootDirPath, baseFolderName string, docPaths []string) (
 				case av.KeyTypeMAsset: // 导出资源文件列 https://github.com/siyuan-note/siyuan/issues/9919
 					for _, value := range keyValues.Values {
 						for _, asset := range value.MAsset {
-							if !treenode.IsRelativePath([]byte(asset.Content)) {
+							if !util.IsAssetLinkDest([]byte(asset.Content)) {
 								continue
 							}
 
diff --git a/kernel/treenode/node.go b/kernel/treenode/node.go
index 98ce2a879..c58d3a9ec 100644
--- a/kernel/treenode/node.go
+++ b/kernel/treenode/node.go
@@ -169,7 +169,7 @@ func GetNodeSrcTokens(n *ast.Node) (ret string) {
 		src := n.Tokens[index+len("src=\""):]
 		if index = bytes.Index(src, []byte("\"")); 0 < index {
 			src = src[:bytes.Index(src, []byte("\""))]
-			if !IsRelativePath(src) {
+			if !util.IsAssetLinkDest(src) {
 				return
 			}
 
@@ -182,16 +182,6 @@ func GetNodeSrcTokens(n *ast.Node) (ret string) {
 	return
 }
 
-func IsRelativePath(dest []byte) bool {
-	if 1 > len(dest) {
-		return false
-	}
-	if '/' == dest[0] {
-		return false
-	}
-	return !bytes.Contains(dest, []byte(":"))
-}
-
 func FirstLeafBlock(node *ast.Node) (ret *ast.Node) {
 	ast.Walk(node, func(n *ast.Node, entering bool) ast.WalkStatus {
 		if !entering || n.IsMarker() {