diff --git a/kernel/model/assets.go b/kernel/model/assets.go
index 71c9c7d12..d47ec3194 100644
--- a/kernel/model/assets.go
+++ b/kernel/model/assets.go
@@ -113,6 +113,7 @@ func NetImg2LocalAssets(rootID, originalURL string) (err error) {
 				u := string(dest)[7:]
 				unescaped, _ := url.PathUnescape(u)
 				if unescaped != u {
+					// `Convert network images to local` supports URL-encoded local file names https://github.com/siyuan-note/siyuan/issues/9929
 					u = unescaped
 				}
 				if !gulu.File.IsExist(u) || gulu.File.IsDir(u) {