diff --git a/api/project.go b/api/project.go
index 98a8fa649..073fcdab0 100644
--- a/api/project.go
+++ b/api/project.go
@@ -77,7 +77,7 @@ func (p *ProjectAPI) Post() {
 	err := validateProjectReq(req)
 	if err != nil {
 		log.Errorf("Invalid project request, error: %v", err)
-		p.RenderError(http.StatusBadRequest, "Invalid request for creating project")
+		p.RenderError(http.StatusBadRequest, fmt.Sprintf("invalid request: %v", err))
 		return
 	}
 	projectName := req.ProjectName
diff --git a/api/replication_policy.go b/api/replication_policy.go
index 26b5b0a61..884f566c1 100644
--- a/api/replication_policy.go
+++ b/api/replication_policy.go
@@ -139,7 +139,7 @@ func (pa *RepPolicyAPI) Put() {
 		pa.CustomAbort(http.StatusNotFound, http.StatusText(http.StatusNotFound))
 	}
 
-	var policy *models.RepPolicy
+	policy := &models.RepPolicy{}
 	pa.DecodeJSONReq(policy)
 	policy.ProjectID = originalPolicy.ProjectID
 	policy.TargetID = originalPolicy.TargetID
diff --git a/dao/projectmember.go b/dao/projectmember.go
index 52947f869..4c165aa82 100644
--- a/dao/projectmember.go
+++ b/dao/projectmember.go
@@ -58,7 +58,7 @@ func DeleteProjectMember(projectID int64, userID int) error {
 func GetUserByProject(projectID int64, queryUser models.User) ([]models.User, error) {
 	o := GetOrmer()
 	u := []models.User{}
-	sql := `select u.user_id, u.username, r.name rolename, r.role_id
+	sql := `select u.user_id, u.username, r.name rolename, r.role_id as role
 		from user u 
 		join project_member pm 
 		on pm.project_id = ? and u.user_id = pm.user_id 
diff --git a/models/user.go b/models/user.go
index 1b8b2ae86..ad93d0e5e 100644
--- a/models/user.go
+++ b/models/user.go
@@ -29,7 +29,9 @@ type User struct {
 	Comment  string `orm:"column(comment)" json:"comment"`
 	Deleted  int    `orm:"column(deleted)" json:"deleted"`
 	Rolename string `json:"role_name"`
-	RoleID   int    `json:"role_id"`
+	//if this field is named as "RoleID", beego orm can not map role_id
+	//to it.
+	Role int `json:"role_id"`
 	//	RoleList     []Role `json:"role_list"`
 	HasAdminRole int       `orm:"column(sysadmin_flag)" json:"has_admin_role"`
 	ResetUUID    string    `orm:"column(reset_uuid)" json:"reset_uuid"`