fix distance bug

app/service/course/v2/institution.js

@@ -173,7 +173,7 @@ class InstitutionSubService extends Service {
     if (lbsResult.results.length > 0) {
       area.distance = (lbsResult.results[0].distance / 1000).toFixed(1);
       area.duration = lbsResult.results[0].duration;
-      const minute = area.travel_method === 'walking' ? Math.ceil(area.distance / 80) : Math.ceil(area.duration / 60);
+      const minute = area.travel_method === 'walking' ? Math.ceil(area.distance / 0.08) : Math.ceil(area.duration / 60);
       area.travel_tips = area.travel_method === 'walking' ? `距我${area.distance}km,步行${minute}分钟` : `距我${area.distance}km,开车${minute}分钟`;
     } else {
       area.distance = 999999;