diff --git a/app/src/assets/scss/protyle/_wysiwyg.scss b/app/src/assets/scss/protyle/_wysiwyg.scss
index de8b02d94..9ffa82ee1 100644
--- a/app/src/assets/scss/protyle/_wysiwyg.scss
+++ b/app/src/assets/scss/protyle/_wysiwyg.scss
@@ -449,6 +449,9 @@
 
   &--select {
     background-color: var(--b3-theme-primary-lightest) !important;
+    [data-node-id][style*="background-color"] {
+      opacity: .86;
+    }
   }
 
   // https://github.com/siyuan-note/siyuan/issues/11589