移动或缩放地图，获取更多餐厅

 <!--components/showModal/showModal.wxml-->
+<wxs src="../../../utils/util.wxs" module="util" />
 <view class="seller flex-ll {{sellerStyle}}" >
     <view class="image">
         <image mode="aspectFill"
@@ -16,7 +17,7 @@
             <view class="text flex-ll">
                 <view class="text-item" wx:if="{{seller.cate[0].name}}">{{seller.cate[0].name}}</view>
                 <view class="text-item" wx:if="{{seller.room_num>0}}">{{seller.room_num}}个包间</view>
-                <view class="text-item" wx:if="{{se.distanceStr}}">{{se.distanceStr}}</view>
+                <view class="text-item" wx:if="{{seller.distance>=0 && seller.distance!==''}}">{{util.distance(seller.distance_centre||seller.distance)}}</view>
             </view>
             <view wx:if="{{hasStat}}" class="stat">
                 <stat stat="{{seller.score}}"></stat>

@@ -72,13 +72,16 @@ module.exports = {
     return name
   },
   distance:function(mi){
-    if(mi>=0){
+    if(mi>=0 && mi!==''){
       mi=mi*1
       var gl='m'
       if(mi>=1000){
         mi=mi/1000
         gl='km'
       }
+      if(mi<5){
+        return '5m'
+      }
       return mi.toFixed(2)+gl
     }
     return '';