From d6205e955d27ddfd7bf5c6cbb8748f8c7bdd07d5 Mon Sep 17 00:00:00 2001
From: gazebo <gazeboxu@gmail.com>
Date: Wed, 27 Nov 2019 17:59:28 +0800
Subject: [PATCH] fk

---
 business/jxutils/jxutils.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/business/jxutils/jxutils.go b/business/jxutils/jxutils.go
index a24657e59..0de80c472 100644
--- a/business/jxutils/jxutils.go
+++ b/business/jxutils/jxutils.go
@@ -210,6 +210,9 @@ func EarthDistance(lng1, lat1, lng2, lat2 float64) float64 {
 	lng2 = lng2 * rad
 	theta := lng2 - lng1
 	dist := math.Acos(math.Sin(lat1)*math.Sin(lat2) + math.Cos(lat1)*math.Cos(lat2)*math.Cos(theta))
+	if dist < 0 {
+		dist = 0
+	}
 	return dist * radius
 }