修复flex布局问题

ipuui/demo/html/js/refresh.html

@@ -24,11 +24,11 @@
    </header>
  </div>
  <div class="ipu-flex-col">
    <div class="ipu-flex-row ipu-fn-p ipu-fn-bd-b">
      <div class="ipu-flex-col-auto">
    <div class="ipu-flex ipu-fn-p ipu-fn-bd-b">
      <div class="ipu-flex-grow-1">
        <input class="search-input" type="text"/>
      </div>
      <div class="ipu-flex-col ipu-fn-p-l">
      <div class="ipu-flex-grow-0 ipu-fn-p-l">
        <button class="ipu-btn" id="query-btn">查询</button>
      </div>
    </div>