更新预览样式

src/Layouts/BaseLayout.vue

@@ -24,7 +24,7 @@
              class="preview-btn"
              @click="toPreview">
           <i class="iconfont icon-yulan"></i>
-          <span style="margin-left: 6px">预览</span>
+          <span style="margin-left: 6px;width: 29px;">预览</span>
         </div>
         <a-button v-show="!showPublish && isRenderBtn"
                   type="primary"
@@ -40,7 +40,7 @@
       <template v-else>
         <div style="display: flex; align-items: center">
           <a-spin size="small" />
-          <span style="margin-left: 10px">正在保存中...</span>
+          <span style="margin-left: 10px;width: 90px;">正在保存中...</span>
         </div>
       </template>
       <a-button type="primary"