diff --git a/frontend/src/components/canvas/custom-component/UserViewDialog.vue b/frontend/src/components/canvas/custom-component/UserViewDialog.vue
index 1a077dc2a0..3dbb90cb1f 100644
--- a/frontend/src/components/canvas/custom-component/UserViewDialog.vue
+++ b/frontend/src/components/canvas/custom-component/UserViewDialog.vue
@@ -58,6 +58,9 @@ export default {
           }
         }
       }
+      if (!style.background) {
+        style.background = '#FFFFFF'
+      }
       return style
     },
     ...mapState([