From 38e6cf3d0075ce292b4d7e7cfad6145a33afe2c4 Mon Sep 17 00:00:00 2001
From: Rogee <rogeecn@qq.com>
Date: Fri, 6 Sep 2024 08:47:55 +0800
Subject: [PATCH] fix: ext

---
 internal/client_channel.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/internal/client_channel.go b/internal/client_channel.go
index 191f6da..b77914f 100644
--- a/internal/client_channel.go
+++ b/internal/client_channel.go
@@ -218,7 +218,7 @@ func (t *TClient) getExtByFilenameAndMimeType(filename, mimeType string) string
 		ext = exts[len(exts)-1]
 	}
 
-	return ext
+	return strings.ToLower(ext)
 }
 
 // saveDocument