diff --git a/packages/fluent-editor/src/assets/editor.scss b/packages/fluent-editor/src/assets/editor.scss
index 5fe24ae1..d247da0c 100644
--- a/packages/fluent-editor/src/assets/editor.scss
+++ b/packages/fluent-editor/src/assets/editor.scss
@@ -68,7 +68,7 @@
       text-decoration: line-through;
     }
 
-    u.ql-custom-strike {
+    s.ql-custom-strike {
       text-decoration: line-through;
     }
 
diff --git a/packages/fluent-editor/src/formats/strike.ts b/packages/fluent-editor/src/formats/strike.ts
index d74fbb14..02992506 100644
--- a/packages/fluent-editor/src/formats/strike.ts
+++ b/packages/fluent-editor/src/formats/strike.ts
@@ -5,7 +5,7 @@ const Inline = Quill.import('blots/inline') as typeof TypeInline
 
 export class StrikeBlot extends Inline {
   static blotName = 'strike'
-  static tagName = 'u'
+  static tagName = 's'
   static className = 'ql-custom-strike'
   // 此处删除了formats方法，当前tag非span，则并不需要进行特殊处理去重写formats方法
 }
diff --git a/packages/projects/src/views/yuque/YuQue.vue b/packages/projects/src/views/yuque/YuQue.vue
index 7b705bcf..d3242c03 100644
--- a/packages/projects/src/views/yuque/YuQue.vue
+++ b/packages/projects/src/views/yuque/YuQue.vue
@@ -46,7 +46,7 @@ const DEFAULT_CONTENT = `
 </p>
 <p>这是<strong>粗体</strong></p>
 <p>这是<em>斜体</em></p>
-<p>这是<u class="ql-custom-strike">删除线</u></p>
+<p>这是<s class="ql-custom-strike">删除线</s></p>
 <p>这是<u>下划线</u></p>
 <p>这是上标X<sup>2</sup>和下标X<sub>2</sub></p>
 <p>