diff --git a/llmage/utils.py b/llmage/utils.py
index d01e5aa..c7ad639 100644
--- a/llmage/utils.py
+++ b/llmage/utils.py
@@ -360,7 +360,7 @@ m.ppid
 			and m.ppid is not null
 			and a.expired_date > ${today}$
 			"""
-		params = {'today': today, 'sort': ['catelog_id', 'providerid', 'name'}
+		params = {'today': today, 'sort': ['catelog_id', 'providerid', 'name'] }
 		if catelogid:
 			sql += " and m.llmcatelogid = ${catelogid}$"
 			params['catelogid'] = catelogid