diff --git a/app/services/auth_login_ldap.go b/app/services/auth_login_ldap.go
index 6f84a556..9eaefe76 100644
--- a/app/services/auth_login_ldap.go
+++ b/app/services/auth_login_ldap.go
@@ -8,23 +8,28 @@ import (
 	"github.com/go-ldap/ldap/v3"
 )
 
+const (
+	LdapDefaultAccountPattern     = "(&(objectClass=User)(userPrincipalName=%s))"
+	LdapDefaultAttributeGivenName = "displayName"
+)
+
 var (
 	LdapUserSearchNotFoundErr = errors.New("用户不存在或密码错误")
 )
 
 type AuthLoginConfig struct {
-	BaseDn        string `json:"basedn"`
-	BindUsername  string `json:"bind_username"`
-	BindPassword  string `json:"bind_password"`
-  AccountPattern string `json:"account_pattern"`
-	GivenNameKey  string `json:"given_name_key"`
-	EmailKey      string `json:"email_key"`
-	MobileKey     string `json:"mobile_key"`
-	PhoneKey      string `json:"phone_key"`
-	DepartmentKey string `json:"department_key"`
-	PositionKey   string `json:"position_key"`
-	LocationKey   string `json:"location_key"`
-	ImKey         string `json:"im_key"`
+	BaseDn         string `json:"basedn"`
+	BindUsername   string `json:"bind_username"`
+	BindPassword   string `json:"bind_password"`
+	AccountPattern string `json:"account_pattern"`
+	GivenNameKey   string `json:"given_name_key"`
+	EmailKey       string `json:"email_key"`
+	MobileKey      string `json:"mobile_key"`
+	PhoneKey       string `json:"phone_key"`
+	DepartmentKey  string `json:"department_key"`
+	PositionKey    string `json:"position_key"`
+	LocationKey    string `json:"location_key"`
+	ImKey          string `json:"im_key"`
 }
 
 // AuthLoginLdapService ldap auth login
@@ -49,6 +54,12 @@ func (al *AuthLoginLdapService) InitConf(url string, conf string) error {
 		return err
 	}
 	al.config = authLoginConfig
+	if al.config.AccountPattern == "" {
+		al.config.AccountPattern = LdapDefaultAccountPattern
+	}
+	if al.config.GivenNameKey == "" {
+		al.config.GivenNameKey = LdapDefaultAttributeGivenName
+	}
 	return nil
 }
 
@@ -82,10 +93,6 @@ func (al *AuthLoginLdapService) AuthLogin(username string, password string) (*Au
 	}
 
 	// 搜索下用户信息
-	accountPattern := "(&(objectClass=User)(userPrincipalName=%s))"
-	if al.config.AccountPattern != "" {
-		accountPattern = al.config.AccountPattern
-	}
 	searchRequest := ldap.NewSearchRequest(
 		al.config.BaseDn,
 		ldap.ScopeWholeSubtree,
@@ -93,7 +100,7 @@ func (al *AuthLoginLdapService) AuthLogin(username string, password string) (*Au
 		0,
 		0,
 		false,
-		fmt.Sprintf(accountPattern, username),
+		fmt.Sprintf(al.config.AccountPattern, username),
 		al.GetAttributes(),
 		nil,
 	)
diff --git a/views/system/auth/doc.html b/views/system/auth/doc.html
index c79a76a1..96ba0cf5 100644
--- a/views/system/auth/doc.html
+++ b/views/system/auth/doc.html
@@ -34,14 +34,14 @@ <h4><i class="fa fa-address-card-o"></i> 登录认证方式配置文档</h4>
     "bind_username": "readonly", // ldap bind dn; 用来获取查询权限的 bind 用户；非必填可以为空
     "bind_password": "password", // ldap bind dn password; bind 用户密码；非必填可以为空
     "account_pattern": "(&(objectClass=User)(userPrincipalName=%s))" // ldap search pattern; 非必填可以为空，默认值为(&(objectClass=User)(userPrincipalName=%s))
-    "given_name_key": "displayName", // ldap 查询用户名对应的 key，必填
-    "email_key": "mail", // ldap 查询邮箱对应的 key, 没有可为空
-    "mobile_key": "mobile", // ldap 查询手机号对应的 key，没有可为空
-    "phone_key": "telephoneNumber", // ldap 查询电话对应的 key，没有可为空
-    "department_key": "department", // ldap 查询部门对应的 key，没有可为空
-    "position_key": "Position", // ldap 查询职位对应的 key，没有可为空
-    "location_key": "physicalDeliveryOfficeName", // ldap 查询位置对应的 key，没有可为空
-    "im_key": "im" // ldap 查询 im 信息对应的 key，没有可为空
+    "given_name_key": "displayName", // ldap 查询用户名对应的 key，非必填可以为空，默认为 displayName
+    "email_key": "mail", // ldap 查询邮箱对应的 key, 非必填可以为空
+    "mobile_key": "mobile", // ldap 查询手机号对应的 key，非必填可以为空
+    "phone_key": "telephoneNumber", // ldap 查询电话对应的 key，非必填可以为空
+    "department_key": "department", // ldap 查询部门对应的 key，非必填可以为空
+    "position_key": "Position", // ldap 查询职位对应的 key，非必填可以为空
+    "location_key": "physicalDeliveryOfficeName", // ldap 查询位置对应的 key，非必填可以为空
+    "im_key": "im" // ldap 查询 im 信息对应的 key，非必填可以为空
 }
 </pre>
                                     示例：<code>{"basedn":"dc=umich,dc=edu","bind_username":"readonly","bind_password":"password","given_name_key":"displayName","email_key":"mail","mobile_key":"mobile","phone_key":"telephoneNumber","department_key":"department","position_key":"Position","location_key":"physicalDeliveryOfficeName","im_key":"im"}</code>