优化网页标题为undefined的情况

src/views/chart/hooks/useSync.hook.ts

@@ -7,6 +7,7 @@ import {
   base64toFile,
   JSONStringify,
   JSONParse,
+  setTitle,
 } from '@/utils';
 import { useChartEditStore } from '@/store/modules/chartEditStore/chartEditStore';
 import {
@@ -14,6 +15,7 @@ import {
   ChartEditStoreEnum,
   ProjectInfoEnum,
   ChartEditStorage,
+  EditCanvasConfigEnum,
 } from '@/store/modules/chartEditStore/chartEditStore.d';
 import { useChartHistoryStore } from '@/store/modules/chartHistoryStore/chartHistoryStore';
 import { useSystemStore } from '@/store/modules/systemStore/systemStore';
@@ -285,6 +287,8 @@ export const useSync = () => {
         if (res.content) {
           // 更新全局数据
           await updateComponent(JSONParse(res.content));
+          chartEditStore.setEditCanvasConfig(EditCanvasConfigEnum.PROJECT_NAME, res.projectName);
+          setTitle(`预览-${res.projectName}`);
           return;
         } else {
           chartEditStore.setProjectInfo(ProjectInfoEnum.PROJECT_ID, fetchRouteParamsLocation());

src/views/preview/suspenseIndex.vue

@@ -55,8 +55,11 @@
 
   await getSessionStorageInfo();
   const chartEditStore = useChartEditStore() as unknown as ChartEditStorageType;
-
-  setTitle(`预览-${chartEditStore.editCanvasConfig.projectName}`);
+  setTitle(
+    chartEditStore.editCanvasConfig.projectName
+      ? `预览-${chartEditStore.editCanvasConfig.projectName}`
+      : '',
+  );
 
   const previewRefStyle = computed(() => {
     return {