diff --git a/kernel/model/assets.go b/kernel/model/assets.go
index 92cc693c6..a6920be2b 100644
--- a/kernel/model/assets.go
+++ b/kernel/model/assets.go
@@ -103,7 +103,7 @@ func NetImg2LocalAssets(rootID, originalURL string) (err error) {
 				// `网络图片转换为本地图片` 支持处理 `file://` 本地路径图片 https://github.com/siyuan-note/siyuan/issues/6546
 
 				u := string(dest)[7:]
-				if !gulu.File.IsExist(u) {
+				if !gulu.File.IsExist(u) || gulu.File.IsDir(u) {
 					return ast.WalkSkipChildren
 				}