diff --git a/lib/20-community-net186.conf b/lib/20-community-net186.conf
index e8bf9f9..9b90ea1 100644
--- a/lib/20-community-net186.conf
+++ b/lib/20-community-net186.conf
@@ -8,7 +8,7 @@ function net186_import_filter(int POPID)
     
     if public_bgp_path.len = 1 then bgp_local_pref = 550;
     else if bgp_large_community ~ [(LOCAL_ASN, 110, 0), (LOCAL_ASN, 110, 2), (LOCAL_ASN, 110, 20)] then bgp_local_pref = 500;
-    else if bgp_large_community ~ [(LOCAL_ASN, 110, 1), (LOCAL_ASN, 110, 10)] then bgp_local_pref = 400;
+    else if bgp_large_community ~ [(LOCAL_ASN, 110, 10)] then bgp_local_pref = 400;
     else bgp_local_pref = 300;
 
     pub_route_controller_specific();
@@ -21,7 +21,8 @@ function net186_import_filter(int POPID)
     # Route is via or locate East Asia & Oceania
     if bgp_large_community ~ [(LOCAL_ASN, 122, 400..500), (LOCAL_ASN, 121, 400..500)] || POP ~ [400..500] then viaRegion = viaRegion + 1;
 
-    bgp_local_pref = bgp_local_pref - 50 * viaRegion;
+    if bgp_large_community !~ [(LOCAL_ASN, 110, 0), (LOCAL_ASN, 110, 2), (LOCAL_ASN, 110, 1)] then bgp_local_pref = bgp_local_pref - 50 * viaRegion;
+    else bgp_local_pref = bgp_local_pref - 100 * viaRegion;
 
     # Route is via China mainland but not advertise in China mainland.
     if (LOCAL_ASN, 122, 430) ~ bgp_large_community && REGION != 430 && (LOCAL_ASN, 121, 430) !~ bgp_large_community then return false;