修改坡度计算逻辑，骑行界面大部分完成

Assets/Scripts/Apis/Models/MapDataModel.cs

@@ -70,12 +70,12 @@ namespace Assets.Scripts.Apis.Models
         private void CalcDistance()
         {
             _List[0].Distance = 0;
-            for (int i = 1; i < _List.Count - 1; i++)
+            for (int i = 0; i < _List.Count - 1; i++)
             {
                 var pt1 = Turf.Point(new double[] { _List[i].Point[1], _List[i].Point[0] });
                 var pt2 = Turf.Point(new double[] { _List[i+1].Point[1], _List[i+1].Point[0] });
                 var value = Turf.Distance(pt1, pt2, "kilometers") ;
-                _List[i].Distance = Math.Round(value, 6);
+                _List[i].Distance = Math.Round(value*1000, 2);
             }
         }
         /// <summary>