diff --git a/src/layout/components/TranscodeNoticeButton.vue b/src/layout/components/TranscodeNoticeButton.vue
index 6bf6944..9581017 100644
--- a/src/layout/components/TranscodeNoticeButton.vue
+++ b/src/layout/components/TranscodeNoticeButton.vue
@@ -83,7 +83,9 @@ onBeforeUnmount(() => {
 }
 
 .notice-badge :deep(.el-badge__content.is-fixed) {
-  top: 8px;
-  right: 2px;
+  /* 角标中心骑在铃铛右上角：right 9px + 右移 50%，与位数宽度无关 */
+  top: calc(50% - 9px);
+  right: 9px;
+  transform: translate(50%, -50%);
 }
 </style>