diff --git a/core/core-frontend/src/views/data-visualization/PreviewCanvas.vue b/core/core-frontend/src/views/data-visualization/PreviewCanvas.vue
index f1ae0d1901..d905e3878a 100644
--- a/core/core-frontend/src/views/data-visualization/PreviewCanvas.vue
+++ b/core/core-frontend/src/views/data-visualization/PreviewCanvas.vue
@@ -76,7 +76,7 @@ const loadCanvasDataAsync = async (dvId, dvType) => {
   const attachParamsEncode = router.currentRoute.value.query.attachParams
   if (attachParamsEncode || hasTicketArgs) {
     try {
-      if (attachParam) {
+      if (!attachParam) {
         attachParam = JSON.parse(Base64.decode(decodeURIComponent(attachParamsEncode)))
       }
       if (hasTicketArgs) {