diff --git a/app/src/assets/scss/_protyle.scss b/app/src/assets/scss/_protyle.scss
index 83325348b..846e23257 100644
--- a/app/src/assets/scss/_protyle.scss
+++ b/app/src/assets/scss/_protyle.scss
@@ -102,6 +102,7 @@
     cursor: pointer;
     height: 16px;
     background-color: var(--b3-theme-surface);
+    z-index: 1; // 防止被 protyle-scroll 遮挡
 
     &:hover {
       color: var(--b3-theme-on-background);