diff --git a/vite.config.mjs b/vite.config.mjs
index 1f3cee3..cf4f3e0 100644
--- a/vite.config.mjs
+++ b/vite.config.mjs
@@ -103,9 +103,15 @@ const localFileStoragePlugin = () => {
           const filePath = path.join(dataDir, `${safeKey}.json`);
           
           if (fs.existsSync(filePath)) {
-            const data = fs.readFileSync(filePath, 'utf-8');
-            res.setHeader('Content-Type', 'application/json');
-            res.end(JSON.stringify({ success: true, data: JSON.parse(data) }));
+            try {
+              // 文件可能带 UTF-8 BOM（外部编辑器/同步工具写入），解析前需剥离，否则 JSON.parse 抛错
+              const raw = fs.readFileSync(filePath, 'utf-8').replace(/^\uFEFF/, '');
+              res.setHeader('Content-Type', 'application/json');
+              res.end(JSON.stringify({ success: true, data: JSON.parse(raw) }));
+            } catch (e) {
+              res.statusCode = 500;
+              res.end(JSON.stringify({ success: false, error: e.message }));
+            }
           } else {
             res.statusCode = 404;
             res.end(JSON.stringify({ success: false, error: 'Not found' }));