fix bug

models/chart_permission.go

@@ -18,12 +18,12 @@ func GetChartPermissionAll() (items []*ChartPermission, err error) {
 	return
 }
 
-func GetCategoryId(chartPermissionId int)(categoryId string,err error) {
+func GetCategoryId(chartPermissionId int)(category_id string,err error) {
 	o:=orm.NewOrm()
-	sql:=` SELECT GROUP_CONCAT(a.category_id)AS category_id 
+	sql:=` SELECT GROUP_CONCAT(a.category_id) AS category_id 
 			FROM cygx_permission_mapping AS a
 			WHERE a.chart_permission_id=? 
 			GROUP BY a.chart_permission_id `
-	_,err=o.Raw(sql,chartPermissionId).QueryRows(&categoryId)
+	err=o.Raw(sql,chartPermissionId).QueryRow(&category_id)
 	return
 }