fix: Fix/ldap tls (#162)

* optimize and fix tls of LDAP

* fix

config/ldap.go

@@ -26,7 +26,7 @@ type LdapUser struct {
 type Ldap struct {
 	Enable       bool     `mapstructure:"enable"`
 	Url          string   `mapstructure:"url"`
-	TLS          bool     `mapstructure:"tls"`
+	TlsCaFile    string   `mapstructure:"tls-ca-file"`
 	TlsVerify    bool     `mapstructure:"tls-verify"`
 	BaseDn       string   `mapstructure:"base-dn"`
 	BindDn       string   `mapstructure:"bind-dn"`