推修改时间报错

attendance-performance-manager-ui/admin/src/assets/utils/dateFormat.js

 export const timestampToTime = (timestamp, transLength) => {
   // 时间戳为10位需*1000，时间戳为13位不需乘1000
   let date = null;
+  if (timestamp) {
     if (timestamp.length < 13) {
       date = new Date(timestamp * 1000);
     } else {
@@ -19,13 +20,17 @@ export const timestampToTime = (timestamp, transLength) => {
     let m =
       (date.getMinutes() < 10 ? "0" + date.getMinutes() : date.getMinutes()) +
       ":";
-  let s = date.getSeconds() < 10 ? "0" + date.getSeconds() : date.getSeconds();
+    let s =
+      date.getSeconds() < 10 ? "0" + date.getSeconds() : date.getSeconds();
     switch (transLength) {
       case 3:
         return Y + M + D;
       case 6:
         return Y + M + D + h + m + s;
     }
+  } else {
+    return "";
+  }
 };
 // 小时：分钟 ==》 转分钟