diff --git a/core/core-frontend/src/pages/panel/DashboardPreview.vue b/core/core-frontend/src/pages/panel/DashboardPreview.vue
index e87213499d..7f4f5f5e3b 100644
--- a/core/core-frontend/src/pages/panel/DashboardPreview.vue
+++ b/core/core-frontend/src/pages/panel/DashboardPreview.vue
@@ -75,7 +75,7 @@ onBeforeMount(async () => {
       canvasViewInfoPreview,
       curPreviewGap
     }) {
-      if (!isPc && !dvInfo.mobileLayout) {
+      if (!isPc.value && !dvInfo.mobileLayout) {
         dvMainStore.setMobileInPc(true)
         dvMainStore.setInMobile(true)
         useEmitt().emitter.emit('changeCurrentComponent', 'DashboardEmpty')