fix(仪表板): 切换导航主菜单时，闪现其他的空状态图片

core/core-frontend/src/views/common/DeResourceTree.vue

@@ -41,6 +41,7 @@ const defaultProps = {
   children: 'children',
   label: 'name'
 }
+const mounted = ref(false)
 const rootManage = ref(false)
 const anyManage = ref(false)
 const { curCanvasType, showPosition } = toRefs(props)
@@ -219,6 +220,7 @@ function flatTree(tree: BusiTreeNode[]) {
 }
 
 const afterTreeInit = () => {
+  mounted.value = true
   if (selectedNodeKey.value && returnMounted.value) {
     expandedArray.value = getDefaultExpandedKeys()
     returnMounted.value = false
@@ -371,7 +373,8 @@ onMounted(() => {
 defineExpose({
   rootManage,
   hasData,
-  createNewObject
+  createNewObject,
+  mounted
 })
 </script>
 

core/core-frontend/src/views/dashboard/DashboardPreviewShow.vue

@@ -52,6 +52,9 @@ const isDataEaseBi = computed(() => appStore.getIsDataEaseBi)
 const rootManage = computed(() => {
   return resourceTreeRef.value?.rootManage
 })
+const mounted = computed(() => {
+  return resourceTreeRef.value?.mounted
+})
 
 function createNew() {
   resourceTreeRef.value?.createNewObject()
@@ -188,10 +191,10 @@ defineExpose({
           ></de-preview>
         </div>
       </template>
-      <template v-else-if="hasTreeData">
+      <template v-else-if="hasTreeData && mounted">
         <empty-background description="请在左侧选择仪表板" img-type="select" />
       </template>
-      <template v-else>
+      <template v-else-if="mounted">
         <empty-background description="暂无仪表板" img-type="none">
           <el-button v-if="rootManage && !isDataEaseBi" @click="createNew" type="primary">
             <template #icon>