diff --git a/controller/user.go b/controller/user.go
index 4eaead4..f68b3f9 100644
--- a/controller/user.go
+++ b/controller/user.go
@@ -30,6 +30,7 @@ func InitializeUserController(router *gin.Engine) {
 	UserController.Router.DELETE("/password/:uid", security.OPSAuthorize, UserController.InvalidUserPassword)
 	UserController.Router.PUT("/password", UserController.ResetUserPassword)
 	UserController.Router.GET("/accounts", security.OPSAuthorize, UserController.ListPagedUser)
+	UserController.Router.PUT("/account/enabled/state", security.OPSAuthorize, UserController.SwitchUserEnabling)
 }
 
 type LoginFormData struct {
@@ -172,3 +173,25 @@ func (_UserController) ListPagedUser(c *gin.Context) {
 		gin.H{"accounts": users},
 	)
 }
+
+type UserStateFormData struct {
+	UserID  string `json:"uid" form:"uid"`
+	Enabled bool   `json:"enabled" form:"enabled"`
+}
+
+func (_UserController) SwitchUserEnabling(c *gin.Context) {
+	result := response.NewResult(c)
+	switchForm := new(UserStateFormData)
+	c.BindJSON(switchForm)
+	err := service.UserService.SwitchUserState(switchForm.UserID, switchForm.Enabled)
+	if err != nil {
+		if nfErr, ok := err.(*exceptions.NotFoundError); ok {
+			result.Error(http.StatusNotFound, nfErr.Message)
+			return
+		} else {
+			result.Error(http.StatusInternalServerError, err.Error())
+			return
+		}
+	}
+	result.Success("用户状态已经更新。")
+}
diff --git a/service/user.go b/service/user.go
index be94ebe..a0475c4 100644
--- a/service/user.go
+++ b/service/user.go
@@ -169,10 +169,17 @@ func (_UserService) IsUserExists(uid string) (bool, error) {
 	return global.DBConn.ID(uid).Exist(&model.User{})
 }
 
-func (_UserService) CreateUser(user *model.User, detail *model.UserDetail) (string, error) {
+func (u _UserService) CreateUser(user *model.User, detail *model.UserDetail) (string, error) {
 	if len(user.Id) == 0 {
 		user.Id = uuid.New().String()
 	}
+	exists, err := u.IsUserExists(user.Id)
+	if exists {
+		return "", exceptions.NewNotFoundError("user already exists")
+	}
+	if err != nil {
+		return "", nil
+	}
 	detail.Id = user.Id
 
 	verifyCode := utils.RandStr(10)
@@ -186,7 +193,7 @@ func (_UserService) CreateUser(user *model.User, detail *model.UserDetail) (stri
 	if err := tx.Begin(); err != nil {
 		return "", err
 	}
-	_, err := tx.Insert(user)
+	_, err = tx.Insert(user)
 	if err != nil {
 		tx.Rollback()
 		return "", fmt.Errorf("user create failed: %w", err)
@@ -203,3 +210,17 @@ func (_UserService) CreateUser(user *model.User, detail *model.UserDetail) (stri
 	}
 	return verifyCode, nil
 }
+
+func (u _UserService) SwitchUserState(uid string, enabled bool) error {
+	exists, err := u.IsUserExists(uid)
+	if !exists {
+		return exceptions.NewNotFoundError("user not exists")
+	}
+	if err != nil {
+		return err
+	}
+	newStateUser := new(model.User)
+	newStateUser.Enabled = enabled
+	_, err = global.DBConn.ID(uid).Cols("enabled").Update(newStateUser)
+	return err
+}