diff --git a/09 dm_td_external_geo_type.sql b/09 dm_td_external_geo_type.sql
index 62ea7c2..2c1f7c1 100644
--- a/09 dm_td_external_geo_type.sql	
+++ b/09 dm_td_external_geo_type.sql	
@@ -1431,7 +1431,7 @@ ins_level
 SELECT
   A.DATA_SOURCE,
   A.AUDIT_COD,
-  A.REGION_TYPE,
+  nvl(A.REGION_TYPE,'') REGION_TYPE,
   CASE
     WHEN A.DATA_SOURCE = 'EC(Monthly)' THEN '全国'
     WHEN A.DATA_SOURCE = 'THC(Quarterly)' AND A.AUDIT_COD = 'CHT' THEN '全国'