修改

src/components/duty/addDutyItem.vue

@@ -18,11 +18,11 @@
         <div class="row wrap">
           <div class="col-6">
             <q-select stack-label v-model="FrequencyArr" multiple :options="frequencyOptions" color="primary" filled
-              clearable label="选择班次" option-label="Name" option-value="Id" ref="Shifts"
+               label="选择班次" option-label="Name" option-value="Id" ref="Shifts"
               @input="getSchoolListByFrequencyIds" emit-value map-options :rules="[val => !!val || '请选择班次']" class="col-6 q-pr-lg q-pb-lg" />
           </div>
           <div class="col-6">
-            <q-select stack-label v-model="schoolArr" multiple :options="schoolOptions" color="primary" filled clearable
+            <q-select stack-label v-model="schoolArr" multiple :options="schoolOptions" color="primary" filled
               label="选择校区" option-label="SName" option-value="SId" ref="ItemSchools"
               @input="getDutyFrequencyBySchoolIds" emit-value map-options :rules="[val => !!val || '请选择校区']" />
           </div>