diff --git a/src/App.vue b/src/App.vue
index 2f0f04f..9788193 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -6,7 +6,7 @@
     <button @click="selectIndexWidth = 1">
       <span v-show="selectIndexWidth == 1">激活=></span>MW</button>
     <button @click="selectIndexWidth = 7">
-      <span v-show="selectIndexWidth == 7">激活=></span> MD</button>
+      <span v-show="selectIndexWidth == 7">激活=></span>MD</button>
   </div>
   <div class="line" :class="getClassName(a - 1)" v-for="a in 30" :key='a' @mouseover="selectIndex = a - 1">
     <span class="key">