医生没有头像显示默认

wx.demo.ywtinfo.com/doctorWhoAnother.html

@@ -96,7 +96,11 @@
             <!--</div>-->
 
             <div class="doctor">
+                [% if(this.doctorphoto.length>0){ %]
                 <img src="[%this.doctorphoto%]" alt="">
+                [%} else { %]
+                <img src="http://img.yiwubaike.com/user.jpg" alt="">
+                [%}%]
                 <div>[%this.doctorName%]</div>
                 <div class="title">[%this.title%]</div>
             </div>