diff --git a/cmd/apimain.go b/cmd/apimain.go
index 77791a8..ae66c10 100644
--- a/cmd/apimain.go
+++ b/cmd/apimain.go
@@ -101,7 +101,7 @@ func main() {
 }
 
 func DatabaseAutoUpdate() {
-	version := 241
+	version := 242
 
 	db := global.DB
 
diff --git a/lib/lock/local_test.go b/lib/lock/local_test.go
index e2ee037..68c783c 100644
--- a/lib/lock/local_test.go
+++ b/lib/lock/local_test.go
@@ -51,30 +51,22 @@ func TestLocal_GetLock(t *testing.T) {
 func TestLocal_Lock(t *testing.T) {
 	l := NewLocal()
 	wg := sync.WaitGroup{}
-	wg.Add(3)
+	m := 10
+	wg.Add(m)
 	i := 0
-	go func() {
-		l.Lock("key")
-		fmt.Println("l1", i)
-		i++
-		l.UnLock("key")
-		wg.Done()
-	}()
-	go func() {
-		l.Lock("key")
-		fmt.Println("l2", i)
-		i++
-		l.UnLock("key")
-		wg.Done()
-	}()
-	go func() {
-		l.Lock("key")
-		fmt.Println("l3", i)
-		i++
-		l.UnLock("key")
-		wg.Done()
-	}()
+	for j := 0; j < m; j++ {
+		go func() {
+			l.Lock("key")
+			//fmt.Println(j, i)
+			i++
+			fmt.Println(j, i)
+			l.UnLock("key")
+			wg.Done()
+		}()
+	}
+
 	wg.Wait()
+	fmt.Println(i)
 
 }
 func TestSyncMap(t *testing.T) {
diff --git a/model/user.go b/model/user.go
index 32af6d7..1d83458 100644
--- a/model/user.go
+++ b/model/user.go
@@ -2,7 +2,7 @@ package model
 
 type User struct {
 	IdModel
-	Username string     `json:"username" gorm:"default:'';not null;index,unique"`
+	Username string     `json:"username" gorm:"default:'';not null;uniqueIndex"`
 	Password string     `json:"-" gorm:"default:'';not null;"`
 	Nickname string     `json:"nickname" gorm:"default:'';not null;"`
 	Avatar   string     `json:"avatar" gorm:"default:'';not null;"`
diff --git a/service/user.go b/service/user.go
index d62a4eb..fb77ba6 100644
--- a/service/user.go
+++ b/service/user.go
@@ -221,20 +221,21 @@ func (us *UserService) RegisterByGoogle(name string, email string) *model.User {
 
 // RegisterByOauth 注册
 func (us *UserService) RegisterByOauth(thirdType, thirdName, uid string) *model.User {
+	global.Lock.Lock("registerByOauth")
+	defer global.Lock.UnLock("registerByOauth")
+	ut := AllService.OauthService.UserThirdInfo(thirdType, uid)
+	if ut.Id != 0 {
+		u := &model.User{}
+		global.DB.Where("id = ?", ut.UserId).First(u)
+		return u
+	}
+
 	tx := global.DB.Begin()
-	ut := &model.UserThird{
+	ut = &model.UserThird{
 		OpenId:    uid,
 		ThirdName: thirdName,
 		ThirdType: thirdType,
 	}
-	//global.DB.Where("open_id = ?", githubId).First(ut)
-	//这种情况不应该出现，如果出现说明有bug
-	//if ut.Id != 0 {
-	//	u := &model.User{}
-	//	global.DB.Where("id = ?", ut.UserId).First(u)
-	//	tx.Commit()
-	//	return u
-	//}
 
 	username := us.GenerateUsernameByOauth(thirdName)
 	u := &model.User{
@@ -242,6 +243,10 @@ func (us *UserService) RegisterByOauth(thirdType, thirdName, uid string) *model.
 		GroupId:  1,
 	}
 	global.DB.Create(u)
+	if u.Id == 0 {
+		tx.Rollback()
+		return u
+	}
 
 	ut.UserId = u.Id
 	global.DB.Create(ut)