diff --git a/modules/MmdbQuery.go b/modules/MmdbQuery.go
index ff81e9e..b3b5511 100644
--- a/modules/MmdbQuery.go
+++ b/modules/MmdbQuery.go
@@ -7,10 +7,10 @@ import (
 
 type IpInfo struct {
 	Ip             string `json:"ip"`
-	CountryIsoCode string `json:"Country_Iso_Code"`
-	CountryName    string `json:"Country_Name"`
-	City           string `json:"City"`
-	TimeZone       string `json:"Time_Zone"`
+	CountryIsoCode string `json:"country_iso_code"`
+	CountryName    string `json:"country_name"`
+	City           string `json:"city"`
+	TimeZone       string `json:"time_zone"`
 }
 
 func MmdbQueryIP(ip string) IpInfo {