diff --git a/ipgeo/ipapicom.go b/ipgeo/ipapicom.go
index 270ca55..2bad668 100644
--- a/ipgeo/ipapicom.go
+++ b/ipgeo/ipapicom.go
@@ -14,7 +14,7 @@ import (
 )
 
 func IPApiCom(ip string, timeout time.Duration, _ string, _ bool) (*IPGeoData, error) {
-	url := "http://ip-api.com/json/" + ip + "?fields=status,message,country,regionName,city,isp,district,as,lat,lon"
+	url := token.BaseOrDefault("http://ip-api.com/json/") + ip + "?fields=status,message,country,regionName,city,isp,district,as,lat,lon"
 	client := &http.Client{
 		// 2 秒超时
 		Timeout: timeout,
diff --git a/ipgeo/ipinfo.go b/ipgeo/ipinfo.go
index 30749c7..7d0e3e2 100644
--- a/ipgeo/ipinfo.go
+++ b/ipgeo/ipinfo.go
@@ -12,7 +12,7 @@ import (
 )
 
 func IPInfo(ip string, timeout time.Duration, _ string, _ bool) (*IPGeoData, error) {
-	url := "http://ipinfo.io/" + ip + "?token=" + token.ipinfo
+	url := token.BaseOrDefault("http://ipinfo.io/") + ip + "?token=" + token.ipinfo
 	client := &http.Client{
 		// 2 秒超时
 		Timeout: timeout,
diff --git a/ipgeo/ipinsight.go b/ipgeo/ipinsight.go
index 0e7cfda..4b45c9c 100644
--- a/ipgeo/ipinsight.go
+++ b/ipgeo/ipinsight.go
@@ -13,7 +13,7 @@ func IPInSight(ip string, timeout time.Duration, _ string, _ bool) (*IPGeoData,
 		// 2 秒超时
 		Timeout: timeout,
 	}
-	resp, err := client.Get("https://api.ipinsight.io/ip/" + ip + "?token=" + token.ipinsight)
+	resp, err := client.Get(token.BaseOrDefault("https://api.ipinsight.io/ip/") + ip + "?token=" + token.ipinsight)
 	if err != nil {
 		return nil, err
 	}
diff --git a/ipgeo/ipsb.go b/ipgeo/ipsb.go
index 1d9fbad..18fb9e4 100644
--- a/ipgeo/ipsb.go
+++ b/ipgeo/ipsb.go
@@ -11,7 +11,7 @@ import (
 )
 
 func IPSB(ip string, timeout time.Duration, _ string, _ bool) (*IPGeoData, error) {
-	url := "https://api.ip.sb/geoip/" + ip
+	url := token.BaseOrDefault("https://api.ip.sb/geoip/") + ip
 	client := &http.Client{
 		// 2 秒超时
 		Timeout: timeout,
diff --git a/ipgeo/tokens.go b/ipgeo/tokens.go
index 84d6a02..f10771f 100644
--- a/ipgeo/tokens.go
+++ b/ipgeo/tokens.go
@@ -6,10 +6,19 @@ type tokenData struct {
 	ipinsight string
 	ipinfo    string
 	ipleo     string
+	baseUrl   string
+}
+
+func (t *tokenData) BaseOrDefault(def string) string {
+	if t.baseUrl == "" {
+		return def
+	}
+	return t.baseUrl
 }
 
 var token = tokenData{
 	ipinsight: util.GetenvDefault("NEXTTRACE_IPINSIGHT_TOKEN", ""),
 	ipinfo:    util.GetenvDefault("NEXTTRACE_IPINFO_TOKEN", ""),
+	baseUrl:   util.GetenvDefault("NEXTTRACE_IPAPI_BASE", ""),
 	ipleo:     "NextTraceDemo",
 }