fix:优化bug

app/pages/doctor/index.vue

@@ -16,7 +16,7 @@
 					<image :src="item.avatar ? ip + item.avatar : '../../static/head.png'" mode="scaleToFill" class="avatar"></image>
 					<view class="con">
 						<view class="name">{{ item.name }}</view>
-						<view class="brief ellip">{{ item.brief }}</view>
+						<view class="brief ellip">{{ item.brief||'暂无介绍' }}</view>
 					</view>
 				</view>
 			</view>