修改编辑文章时，如果获取数据失败，导致界面没有恢复的错误

src/view/content/components/articleEdit.vue

@@ -296,8 +296,10 @@ const getCurrentDatetime = () => {
 
 // 初始化方法
 const openPage = async (params) => {
+  showErrMessage.value = ''
   showDrawer.value = true
   isEdit.value = false
+  fullscreenLoading.value = true
 
   emptyForm()
   getCategoryData()