fix travel style

miniprogram/pages/main/travel-detail/index.wxml

@@ -47,7 +47,7 @@
 		<!-- 旅行内容 -->
 		<t-cell-group class="section">
 			<view slot="title" class="title">详细说明</view>
-			<t-cell title="{{travel.content}}" />
+			<t-cell title="{{travel.content || '暂无'}}" />
 		</t-cell-group>
 		<t-cell-group class="section locations">
 			<view slot="title" class="title">地点列表</view>
@@ -97,6 +97,8 @@
 					</view>
 				</t-cell>
 			</block>
+			<t-cell wx:else class="empty-state" description="暂无地点信息">
+			</t-cell>
 		</t-cell-group>
 		<!-- 操作按钮 -->
 		<view class="section action">