头部默认选择不可清空

commandCenter/src/components/common/Header.vue

@@ -30,7 +30,6 @@
                     :props="{ checkStrictly: true, label: 'name' }"
                     collapse-tags
                     :show-all-levels="false"
-                    clearable
                     @change="selectChange"
                     v-model="communityValue"
                 ></el-cascader>