diff --git a/api/project.go b/api/project.go
index cd65dce5f..0a80db759 100644
--- a/api/project.go
+++ b/api/project.go
@@ -100,6 +100,10 @@ func (p *ProjectAPI) Post() {
 // Head ...
 func (p *ProjectAPI) Head() {
 	projectName := p.GetString("project_name")
+	if len(projectName) == 0 {
+		p.CustomAbort(http.StatusBadRequest, "project_name is needed")
+	}
+
 	project, err := dao.GetProjectByName(projectName)
 	if err != nil {
 		log.Errorf("error occurred in GetProjectByName: %v", err)
diff --git a/dao/project.go b/dao/project.go
index 730b1f331..399cad6aa 100644
--- a/dao/project.go
+++ b/dao/project.go
@@ -250,7 +250,6 @@ func getProjects(public int, projectName string) ([]models.Project, error) {
 	}
 	sql += " order by name "
 	var projects []models.Project
-	log.Debugf("sql xxx", sql)
 	if _, err := o.Raw(sql, queryParam).QueryRows(&projects); err != nil {
 		return nil, err
 	}