diff --git a/kernel/util/file.go b/kernel/util/file.go
index 1d3310103..619e6e336 100644
--- a/kernel/util/file.go
+++ b/kernel/util/file.go
@@ -231,16 +231,16 @@ func FilterFilePath(p string) (ret string) {
 }
 
 func FilterFileName(name string) string {
-	name = strings.ReplaceAll(name, "\\", "")
-	name = strings.ReplaceAll(name, "/", "")
-	name = strings.ReplaceAll(name, ":", "")
-	name = strings.ReplaceAll(name, "*", "")
-	name = strings.ReplaceAll(name, "?", "")
-	name = strings.ReplaceAll(name, "\"", "")
-	name = strings.ReplaceAll(name, "'", "")
-	name = strings.ReplaceAll(name, "<", "")
-	name = strings.ReplaceAll(name, ">", "")
-	name = strings.ReplaceAll(name, "|", "")
+	name = strings.ReplaceAll(name, "\\", "_")
+	name = strings.ReplaceAll(name, "/", "_")
+	name = strings.ReplaceAll(name, ":", "_")
+	name = strings.ReplaceAll(name, "*", "_")
+	name = strings.ReplaceAll(name, "?", "_")
+	name = strings.ReplaceAll(name, "\"", "_")
+	name = strings.ReplaceAll(name, "'", "_")
+	name = strings.ReplaceAll(name, "<", "_")
+	name = strings.ReplaceAll(name, ">", "_")
+	name = strings.ReplaceAll(name, "|", "_")
 	name = strings.TrimSpace(name)
 	name = gulu.Str.RemoveInvisible(name) // Remove invisible characters from file names when uploading assets https://github.com/siyuan-note/siyuan/issues/11683
 	return name