fix download name

es/table/index.js

@@ -950,7 +950,8 @@ const _sfc_main = defineComponent({
     getCheckboxProps: { type: Function, default: () => {
     } },
     getRadioProps: { type: Function, default: () => {
-    } }
+    } },
+    download: { default: "" }
   },
   emits: [
     "change",
@@ -1185,7 +1186,7 @@ const _sfc_main = defineComponent({
     </html>`;
       let a = document.createElement("a");
       a.href = uri + base64(exportTemplate);
-      a.download = "\u4E0B\u8F7D\u6587\u4EF6.xls";
+      a.download = (props.download || "\u4E0B\u8F7D\u6587\u4EF6") + ".xls";
       a.click();
       return;
     };