diff --git a/platformapi/autonavi/autonavi.go b/platformapi/autonavi/autonavi.go
index 9a27860b..ba254ba9 100644
--- a/platformapi/autonavi/autonavi.go
+++ b/platformapi/autonavi/autonavi.go
@@ -161,6 +161,9 @@ func (a *API) CoordinateConvert(lng, lat float64, coordsys string) (retLng, retL
 	if coordsys == "" || coordsys == CoordSysAutonavi {
 		return lng, lat, nil
 	}
+	if lng == 0.0 && lat == 0.0 {
+		return 0.0, 0.0, nil
+	}
 	params := map[string]interface{}{
 		"locations": fmt.Sprintf("%.6f,%.6f", lng, lat),
 		"coordsys":  coordsys,