diff --git a/platformapi/autonavi/autonavi.go b/platformapi/autonavi/autonavi.go
index ac1500d7..64d40013 100644
--- a/platformapi/autonavi/autonavi.go
+++ b/platformapi/autonavi/autonavi.go
@@ -443,7 +443,9 @@ func (a *API) GetCoordinateFromAddressAll(address string, cityInfo string) (getC
 				getCoordinateFromAddressByPageAllResult.Lng = utils.Str2Float64WithDefault(locationList[0], 0)
 				getCoordinateFromAddressByPageAllResult.Lat = utils.Str2Float64WithDefault(locationList[1], 0)
 			}
-			getCoordinateFromAddressByPageAllResult.CityName = geocode["city"].(string)
+			if str, ok := geocode["city"].(string); ok {
+				getCoordinateFromAddressByPageAllResult.CityName = str
+			}
 			if str, ok := geocode["district"].(string); ok {
 				getCoordinateFromAddressByPageAllResult.AdName = str
 			}