update

app/utils/helper.ts

@@ -16,9 +16,11 @@ export function makeFirstCharUpper(str: string): string {
  * @returns The formatted date string.
  */
 export function formatDate(dateString: string): string {
+  if (!dateString) return "";
   const date = new Date(dateString);
+  if (Number.isNaN(date.getTime())) return "";
   const year = date.getFullYear();
-  const month = date.getMonth() + 1;
-  const day = date.getDate();
-  return `${year}年${month}月${day}日`;
+  const month = String(date.getMonth() + 1).padStart(2, "0");
+  const day = String(date.getDate()).padStart(2, "0");
+  return `${year}-${month}-${day}`;
 }