bugfix

src/features/examwork/ActivityManagement/ActivityEdit.vue

@@ -246,7 +246,7 @@ export default {
       if (!st || !ft || ft <= st) {
         item.maxDurationSeconds = 0;
       } else {
-        item.maxDurationSeconds = ft - st;
+        item.maxDurationSeconds = (ft - st) / 1000;
       }
     },
     addActivity() {

src/features/examwork/ActivityManagement/ActivityManagementDialog.vue

@@ -255,7 +255,7 @@ export default {
       if (!st || !ft || ft <= st) {
         this.form.maxDurationSeconds = 0;
       } else {
-        this.form.maxDurationSeconds = ft - st;
+        this.form.maxDurationSeconds = (ft - st) / 1000;
       }
     },
     async submitForm() {

src/filters/index.js

@@ -65,5 +65,5 @@ Vue.filter("examRecordStatusFilter", function (val) {
   return EXAM_RECORD_STATUS[val];
 });
 Vue.filter("minuteFilter", function (val) {
-  return Math.floor(val / (1000 * 60));
+  return Math.floor(val / 60);
 });