diff --git a/kernel/model/assets.go b/kernel/model/assets.go
index 1ec8c338c..28e17a50f 100644
--- a/kernel/model/assets.go
+++ b/kernel/model/assets.go
@@ -107,6 +107,8 @@ func NetImg2LocalAssets(rootID, originalURL string) (err error) {
 				}
 
 				name := filepath.Base(u)
+				name = util.FilterFileName(name)
+				name = util.TruncateLenFileName(name)
 				name = "net-img-" + name
 				name = util.AssetName(name)
 				writePath := filepath.Join(assetsDirPath, name)