diff --git a/pkg/serverconfigs/global_config.go b/pkg/serverconfigs/global_config.go
index ff42dda..3470cc4 100644
--- a/pkg/serverconfigs/global_config.go
+++ b/pkg/serverconfigs/global_config.go
@@ -2,9 +2,11 @@ package serverconfigs
 
 // 服务相关的全局设置
 type GlobalConfig struct {
+	// HTTP & HTTPS相关配置
 	HTTPAll struct {
-		MatchDomainStrictly bool `yaml:"matchDomainStrictly" json:"matchDomainStrictly"`
+		MatchDomainStrictly bool `yaml:"matchDomainStrictly" json:"matchDomainStrictly"` // 是否严格匹配域名
 	} `yaml:"httpAll" json:"httpAll"`
+
 	HTTP   struct{} `yaml:"http" json:"http"`
 	HTTPS  struct{} `yaml:"https" json:"https"`
 	TCPAll struct{} `yaml:"tcpAll" json:"tcpAll"`
@@ -12,6 +14,11 @@ type GlobalConfig struct {
 	TLS    struct{} `yaml:"tls" json:"tls"`
 	Unix   struct{} `yaml:"unix" json:"unix"`
 	UDP    struct{} `yaml:"udp" json:"udp"`
+
+	// IP库相关配置
+	IPLibrary struct {
+		Code string `yaml:"code" json:"code"` // 当前使用的IP库代号
+	} `yaml:"ipLibrary" json:"ipLibrary"`
 }
 
 func (this *GlobalConfig) Init() error {
diff --git a/pkg/serverconfigs/ip_library.go b/pkg/serverconfigs/ip_library_types.go
similarity index 71%
rename from pkg/serverconfigs/ip_library.go
rename to pkg/serverconfigs/ip_library_types.go
index 7389256..3846bd2 100644
--- a/pkg/serverconfigs/ip_library.go
+++ b/pkg/serverconfigs/ip_library_types.go
@@ -2,16 +2,24 @@ package serverconfigs
 
 import "github.com/iwind/TeaGo/maps"
 
+type IPLibraryType = string
+
+const (
+	IPLibraryTypeIP2Region IPLibraryType = "ip2region"
+)
+
 // 所有的IP库类型
 var IPLibraryTypes = []maps.Map{
 	{
 		"name":        "ip2region",
-		"code":        "ip2region",
+		"code":        IPLibraryTypeIP2Region,
 		"description": "一个开源的IP库：https://github.com/lionsoul2014/ip2region",
 		"ext":         ".db",
 	},
 }
 
+var DefaultIPLibraryType = IPLibraryTypeIP2Region
+
 // 根据类型查找IP库
 func FindIPLibraryWithType(libraryType string) maps.Map {
 	for _, t := range IPLibraryTypes {