diff --git a/src/cell/README.zh-CN.md b/src/cell/README.zh-CN.md
index 86394eec0..e0b448b63 100644
--- a/src/cell/README.zh-CN.md
+++ b/src/cell/README.zh-CN.md
@@ -96,7 +96,7 @@ Vue.use(CellGroup);
 <van-cell title="单元格" icon="shop-o">
   <!-- 使用 right-icon 插槽来自定义右侧图标 -->
   <template #right-icon>
-    <van-icon name="search" class="search=icon" />
+    <van-icon name="search" class="search-icon" />
   </template>
 </van-cell>