fix : 修复popover删除组件按钮显示问题

src/components/PopoverDelete.vue

@@ -9,8 +9,6 @@
       @cancel="handleCancel"
   >
     <template #reference>
-<!--      v-perm="perm"-->
-
       <el-button  :type="btnType" size="mini" :disabled="isDisabled" v-if="perm" v-perm="perm" :icon="btnIcon" :plain="isPlain" :link="link">
         {{ btnText }}
       </el-button>
@@ -49,7 +47,7 @@ const props = defineProps({
   },
   perm: {
     type: Array,
-    default: ['']
+    default: null
   },
   isDisabled: {
     type: Boolean,