From f3ae835304e82a644e564ed68c224138ee5e3cb2 Mon Sep 17 00:00:00 2001
From: ypshidifu <ypshidifu@example.com>
Date: Thu, 17 Sep 2026 20:50:47 +0800
Subject: [PATCH] =?UTF-8?q?=E5=89=8D=E7=AB=AF:=20=E6=B7=BB=E5=8A=A0?=
 =?UTF-8?q?=E6=96=87=E4=BB=B6=E6=A0=BC=E5=BC=8F=E6=A0=A1=E9=AA=8C=EF=BC=8C?=
 =?UTF-8?q?=E6=8B=92=E6=94=B6=E9=9D=9Encm/kgm/kgma/vpr=E6=A0=BC=E5=BC=8F?=
 =?UTF-8?q?=E6=96=87=E4=BB=B6?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 templates/index.html | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/templates/index.html b/templates/index.html
index b020597..10b33ba 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -109,6 +109,8 @@
 
     let files = [];
 
+    const SUPPORTED_EXTENSIONS = ['.ncm', '.kgm', '.kgma', '.vpr'];
+
     // 点击上传区域选择文件
     dropZone.addEventListener('click', () => fileInput.click());
 
@@ -139,6 +141,11 @@
 
     function handleFiles(fileListObj) {
       for (const f of fileListObj) {
+        const ext = f.name.slice(f.name.lastIndexOf('.')).toLowerCase();
+        if (!SUPPORTED_EXTENSIONS.includes(ext)) {
+          alert('不支持的文件格式: ' + f.name + '\\n仅支持: .ncm / .kgm / .kgma / .vpr');
+          continue;
+        }
         if (files.some(existing => existing.name === f.name)) continue;
         files.push(f);
       }