我目前正在使用materializeCSS，使用后我遇到<select>问题：
$("#formAddPoi").find('select').material_select()
这是我生成的html代码：
<div class="input-field col s12" id="selectCategorie">
<div class="select-wrapper open">
<span class="caret">▼</span><input type="text" class="select-dropdown" readonly="true" data-activates="select-options-96063ca2-82e2-19ca-74ce-8b9cc52a5a74" value="Selectionnez une catégorie" aria-expanded="true"><ul id="select-options-96063ca2-82e2-19ca-74ce-8b9cc52a5a74" class="dropdown-content select-dropdown "><li class=""><span>Selectionnez une catégorie</span></li><li class=""><img src="/Images/badge/27.png" class="left circle"><span>Travail</span></li><li class=""><img src="/Images/badge/127.png" class="left circle"><span>POI</span></li><li class=""><img src="/Images/badge/195.png" class="left circle"><span>Dépôt</span></li><li class=""><img src="/Images/badge/119.png" class="left circle"><span>Hôpital</span></li><li class=""><img src="/Images/badge/106.png" class="left circle"><span>Garage</span></li><li class=""><img src="/Images/badge/02.png" class="left circle"><span>Station essence</span></li></ul><select class="initialized" name="poi.CategorieId">
<option value="0">Selectionnez une catégorie</option>
<option value="1" data-icon="/Images/badge/27.png" class="left circle">Travail</option>
<option value="2" data-icon="/Images/badge/127.png" class="left circle">POI</option>
<option value="3" data-icon="/Images/badge/195.png" class="left circle">Dépôt</option>
<option value="4" data-icon="/Images/badge/119.png" class="left circle">Hôpital</option>
<option value="9" data-icon="/Images/badge/106.png" class="left circle">Garage</option>
<option value="10" data-icon="/Images/badge/02.png" class="left circle">Station essence</option>
</select>
</div>
<label>Catégorie</label>
</div>
但是当我点击选择时，没有任何附加内容。