修复

src/utils/models.ts

@@ -100,5 +100,5 @@ export const getFileIconByUrl = (url: string) => {
         XLSX: 'xlsx',
         TXT: 'txt'
     };
-    return `https://ta.zycpzs.cn/oss-file/smart-trace/szyy/images/file-type-sub/${iconMap[fileExtension]}.png`; // 默认图标
+    return `https://ta.zycpzs.cn/oss-file/smart-trace/szyy/images/file-type-sub/${iconMap?.[fileExtension] || 'def'}.png`; // 默认图标
 };