diff --git a/manager/handlers/permission.go b/manager/handlers/permission.go
index d12d262da96..5cd34a220af 100644
--- a/manager/handlers/permission.go
+++ b/manager/handlers/permission.go
@@ -24,15 +24,14 @@ import (
 
 // @Summary Get Permissions
 // @Description Get Permissions
-// @Tags permission
+// @Tags Permission
 // @Produce json
-// @Success 200 {object} RoutesInfo
-// @Failure 400 {object} HTTPError
-// @Failure 500 {object} HTTPError
+// @Success 200 {object} []rbac.Permission
+// @Failure 400
+// @Failure 500
 // @Router /permissions [get]
 func (h *Handlers) GetPermissions(g *gin.Engine) func(ctx *gin.Context) {
 	return func(ctx *gin.Context) {
-		permissions := h.Service.GetPermissions(g)
-		ctx.JSON(http.StatusOK, permissions)
+		ctx.JSON(http.StatusOK, h.Service.GetPermissions(g))
 	}
 }
diff --git a/manager/handlers/role.go b/manager/handlers/role.go
index 3425364f5eb..fb9e27c49de 100644
--- a/manager/handlers/role.go
+++ b/manager/handlers/role.go
@@ -25,12 +25,13 @@ import (
 
 // @Summary Create Role
 // @Description Create Role by json config
-// @Tags role
+// @Tags Role
 // @Accept json
 // @Produce json
+// @Param Role body types.CreateRoleRequest true "Role"
 // @Success 200
-// @Failure 400 {object} HTTPError
-// @Failure 500 {object} HTTPError
+// @Failure 400
+// @Failure 500
 // @Router /roles [post]
 func (h *Handlers) CreateRole(ctx *gin.Context) {
 	var json types.CreateRoleRequest
@@ -49,14 +50,14 @@ func (h *Handlers) CreateRole(ctx *gin.Context) {
 
 // @Summary Destroy Role
 // @Description Destroy role by json config
-// @Tags permission
+// @Tags Role
 // @Accept json
 // @Produce json
 // @Param role path string true "role"
 // @Success 200
-// @Failure 400 {object} HTTPError
-// @Failure 500 {object} HTTPError
-// @Router /role/:role [delete]
+// @Failure 400
+// @Failure 500
+// @Router /roles/:role [delete]
 func (h *Handlers) DestroyRole(ctx *gin.Context) {
 	var params types.RoleParams
 	if err := ctx.ShouldBindUri(&params); err != nil {
@@ -77,12 +78,13 @@ func (h *Handlers) DestroyRole(ctx *gin.Context) {
 
 // @Summary Get Role
 // @Description Get Role
-// @Tags permission
+// @Tags Role
 // @Accept json
 // @Produce json
+// @Param role path string true "role"
 // @Success 200
-// @Failure 400 {object} HTTPError
-// @Failure 500 {object} HTTPError
+// @Failure 400
+// @Failure 500
 // @Router /roles/:role [get]
 func (h *Handlers) GetRole(ctx *gin.Context) {
 	var params types.RoleParams
@@ -96,12 +98,12 @@ func (h *Handlers) GetRole(ctx *gin.Context) {
 
 // @Summary Get Roles
 // @Description Get roles
-// @Tags role
+// @Tags Role
 // @Accept json
 // @Produce json
 // @Success 200
-// @Failure 400 {object} HTTPError
-// @Failure 500 {object} HTTPError
+// @Failure 400
+// @Failure 500
 // @Router /roles [get]
 func (h *Handlers) GetRoles(ctx *gin.Context) {
 	roles := h.Service.GetRoles()
@@ -110,14 +112,14 @@ func (h *Handlers) GetRoles(ctx *gin.Context) {
 
 // @Summary Add Permission For Role
 // @Description Add Permission by json config
-// @Tags role
+// @Tags Role
 // @Accept json
 // @Produce json
 // @Param Permission body types.AddPermissionForRoleRequest true "Permission"
 // @Param role path string true "role"
 // @Success 200
-// @Failure 400 {object} HTTPError
-// @Failure 500 {object} HTTPError
+// @Failure 400
+// @Failure 500
 // @Router /roles/:role/permissions [post]
 func (h *Handlers) AddPermissionForRole(ctx *gin.Context) {
 	var params types.RoleParams
@@ -145,14 +147,14 @@ func (h *Handlers) AddPermissionForRole(ctx *gin.Context) {
 
 // @Summary Update Role
 // @Description Remove Role Permission by json config
-// @Tags role
+// @Tags Role
 // @Accept json
 // @Produce json
 // @Param Permission body types.DeletePermissionForRoleRequest true "Permission"
 // @Param role path string true "role"
 // @Success 200
-// @Failure 400 {object} HTTPError
-// @Failure 500 {object} HTTPError
+// @Failure 400
+// @Failure 500
 // @Router /roles/:role/permissions [delete]
 func (h *Handlers) DeletePermissionForRole(ctx *gin.Context) {
 	var params types.RoleParams
diff --git a/manager/handlers/user.go b/manager/handlers/user.go
index 6ac9cd7244f..fce32dfc557 100644
--- a/manager/handlers/user.go
+++ b/manager/handlers/user.go
@@ -86,8 +86,8 @@ func (h *Handlers) ResetPassword(ctx *gin.Context) {
 // @Produce json
 // @Param id path string true "id"
 // @Success 200 {object} []string
-// @Failure 400 {object} HTTPError
-// @Failure 500 {object} HTTPError
+// @Failure 400
+// @Failure 500
 // @Router /users/:id/roles [get]
 func (h *Handlers) GetRolesForUser(ctx *gin.Context) {
 	var params types.UserParams
@@ -107,14 +107,14 @@ func (h *Handlers) GetRolesForUser(ctx *gin.Context) {
 
 // @Summary Add Role For User
 // @Description add role to user by uri config
-// @Tags users
-// @Accept text
+// @Tags Users
+// @Accept json
 // @Produce json
 // @Param id path string true "id"
 // @Param role path string true "role"
 // @Success 200
-// @Failure 400 {object} HTTPError
-// @Failure 500 {object} HTTPError
+// @Failure 400
+// @Failure 500
 // @Router /users/:id/roles/:role [put]
 func (h *Handlers) AddRoleToUser(ctx *gin.Context) {
 	var params types.AddRoleForUserParams
@@ -136,14 +136,14 @@ func (h *Handlers) AddRoleToUser(ctx *gin.Context) {
 
 // @Summary Delete Role For User
 // @Description delete role by uri config
-// @Tags users
-// @Accept text
+// @Tags Users
+// @Accept json
 // @Produce json
 // @Param id path string true "id"
 // @Param role path string true "role"
 // @Success 200
-// @Failure 400 {object} HTTPError
-// @Failure 500 {object} HTTPError
+// @Failure 400
+// @Failure 500
 // @Router /users/:id/roles/:role [delete]
 func (h *Handlers) DeleteRoleForUser(ctx *gin.Context) {
 	var params types.DeleteRoleForUserParams
diff --git a/manager/types/user.go b/manager/types/user.go
index 4e8d04771fb..319a5857dd4 100644
--- a/manager/types/user.go
+++ b/manager/types/user.go
@@ -41,10 +41,10 @@ type SignUpRequest struct {
 
 type DeleteRoleForUserParams struct {
 	ID   uint   `uri:"id" binding:"required"`
-	Role string `uri:"role" binding:"required,min=1"`
+	Role string `uri:"role" binding:"required"`
 }
 
 type AddRoleForUserParams struct {
 	ID   uint   `uri:"id" binding:"required"`
-	Role string `uri:"role" binding:"required,min=1"`
+	Role string `uri:"role" binding:"required"`
 }