diff --git a/sql/get_guidance.pg.sql b/sql/get_guidance.pg.sql
index 4ae1b0c..3b90d31 100644
--- a/sql/get_guidance.pg.sql
+++ b/sql/get_guidance.pg.sql
@@ -35,7 +35,7 @@ BEGIN
     ----------------base product--------------------------------
 
     SELECT 
-        m.part_group, i.stlc, i.v1ds,i.v0ds,jsonb_build_object('assc',i.assc,'majg',i.majg::int,'coltier',i.coltier) idxk
+    m.part_group, i.stlc, i.v1ds,i.v0ds,jsonb_strip_nulls(jsonb_build_object('assc',CASE WHEN i.assc <> '' THEN i.assc ELSE null::text END,'majg',i.majg::int,'coltier',i.coltier)) idxk
     INTO 
         _mold,_stlc,_v1ds ,  _v0ds, _iidx
     FROM 
@@ -103,6 +103,7 @@ BEGIN
     _rslt := _rslt||COALESCE(_v1tp,'{}'::jsonb);
 
     ----------------inflation index-----------------------------
+    RAISE NOTICE 'infaltion : %', jsonb_pretty(_iidx);
     SELECT 
         jsonb_build_object(
             'iidx'
@@ -123,7 +124,6 @@ BEGIN
         )
     GROUP BY
         priority;
-    --RAISE NOTICE 'target: %', jsonb_pretty(_targ);
     _rslt := _rslt||COALESCE(_iidx,'{}'::jsonb);
     ----------------list ppricing-------------------------------
     SELECT coalesce(rlarp.get_list(_bill, _ship, _item, _qty),'{}'::jsonb) INTO _list;