- delivery fee added.

- fixed scheduler bug

business/jxutils/jxutils_test.go

@@ -0,0 +1,13 @@
+package jxutils
+
+import (
+	"fmt"
+	"testing"
+)
+
+func TestEarthDistance(t *testing.T) {
+	lat1, lng1 := 32.060255, 118.796877
+	lat2, lng2 := 39.904211, 116.407395
+	distance := EarthDistance(lat1, lng1, lat2, lng2)
+	fmt.Print(distance)
+}