fix(02): empty value show '-'

src/components/02_personnel-management/FormInformation.vue

@@ -128,7 +128,6 @@ onMounted(async () => {
         map-options
         hide-selected
         hide-bottom-space
-        v-model="brId"
         for="select-br-id"
         input-debounce="0"
         option-label="label"
@@ -141,6 +140,9 @@ onMounted(async () => {
         :label="$t('formDialogInputBrId')"
         :options="brOptions"
         @filter="brFilter"
+        :model-value="readonly ? brId || '-' : brId"
+        @update:model-value="(v) => (typeof v === 'string' ? (brId = v) : '')"
+        @clear="brId = ''"
       >
         <template v-slot:no-option>
           <q-item>