diff --git a/bird/filter/dn42_upstream1.conf b/bird/filter/dn42_upstream1.conf
index dd7cf22..d8065f5 100644
--- a/bird/filter/dn42_upstream1.conf
+++ b/bird/filter/dn42_upstream1.conf
@@ -22,7 +22,7 @@ function function_dn42_bgp_export_to_upstream1() {
 }
 
 
-function function_inet_control_bgp_upstream1(int peer_asn){
+function function_dn42_control_bgp_upstream1(int peer_asn){
     # 1.禁止带有 201 0 (禁止一切外发)  301 0（禁止下游段子转发）的发出去
     if bgp_large_community ~ [(DN42_ASN, 201, 0)] then return false;
     if bgp_large_community ~ [(DN42_ASN, 301, 0)] then return false;