diff --git a/app/src/assets/scss/component/_typography.scss b/app/src/assets/scss/component/_typography.scss
index 345872bfd..9c14579bd 100644
--- a/app/src/assets/scss/component/_typography.scss
+++ b/app/src/assets/scss/component/_typography.scss
@@ -279,12 +279,14 @@
     display: inline-block !important;
     position: absolute !important;
     width: 1px !important;
-    right: 9px !important;  // https://github.com/siyuan-note/siyuan/issues/13451
+    left: 0 !important;
     outline: 0 !important;
     background: 0 0 !important;
     text-decoration: initial !important;
     text-shadow: initial !important;
     color: var(--b3-theme-background);
+    font-size: 12px !important;
+    overflow: hidden !important;
   }
 
   pre.code-block {