diff --git a/bird/function/unet.conf b/bird/function/unet.conf
index bb952c9..403be92 100644
--- a/bird/function/unet.conf
+++ b/bird/function/unet.conf
@@ -1,9 +1,6 @@
 function unet_is_valid_network_v4() {
   return net ~ [
-    10.50.0.0/16+,
-    10.88.0.0/16+,
-    10.21.0.0/16+,
-    10.188.0.0/16+
+    10.0.0.0/8+
   ];
 }
 
diff --git a/bird/template/inet.conf b/bird/template/inet.conf
index d0cbac1..15c4312 100644
--- a/bird/template/inet.conf
+++ b/bird/template/inet.conf
@@ -1,7 +1,6 @@
 filter filter_inet4_bgp_import {
     if is_self_net_inet4() then reject; 
     if is_bogon_prefix() || (bgp_path.len > 100) then reject; 
-    bgp_large_community.empty;  
     bgp_large_community.add((LOCAL_ASN,200,0));
     accept;
 }
@@ -11,15 +10,13 @@ filter filter_inet4_bgp_export {
     if is_bogon_prefix() || (bgp_path.len > 100) then reject;
     if source != RTS_STATIC then reject;
     if bgp_large_community !~ [(LOCAL_ASN, 200,0)] then reject;      
-    bgp_large_community.empty;  
     accept;
 }
 
 filter filter_inet6_bgp_import {
     if is_self_net_inet6() then reject; 
     if is_bogon_prefix() || (bgp_path.len > 100) then reject; 
-    bgp_large_community.empty;  
-    bgp_large_community.add((LOCAL_ASN,200,0));# 传输到Ebgp
+    bgp_large_community.add((LOCAL_ASN,200,0));
     accept;
 }
 
@@ -28,7 +25,6 @@ filter filter_inet6_bgp_export {
     if is_bogon_prefix() || (bgp_path.len > 100) then reject;
     if source != RTS_STATIC then reject;
     if bgp_large_community !~ [(LOCAL_ASN, 200,0)] then reject;      
-    bgp_large_community.empty;  
     accept;
 }
 
diff --git a/bird/template/inet_ixp.conf b/bird/template/inet_ixp.conf
index 98b2f3d..99ef346 100644
--- a/bird/template/inet_ixp.conf
+++ b/bird/template/inet_ixp.conf
@@ -12,7 +12,6 @@ template bgp tpl_inet6_ixp {
             if !is_self_net_inet6() then reject; 
             if is_bogon_prefix() || (bgp_path.len > 100) then reject;
             if bgp_large_community !~ [(LOCAL_ASN, 200,0)] then reject;      
-            bgp_large_community.empty;  
             accept;
         };
     };
diff --git a/bird/template/unet.conf b/bird/template/unet.conf
index 568d5c9..d3b775b 100644
--- a/bird/template/unet.conf
+++ b/bird/template/unet.conf
@@ -6,15 +6,13 @@ template bgp unet_bgp_up0 {
         import filter {
           if !unet_is_valid_network_v4_allnet() then reject;
           if unet_is_self_net() then reject;
-          bgp_large_community.empty;  
-          bgp_large_community.add((UNET_ASN,200,0));# 传输到Ebgp
+          bgp_large_community.add((UNET_ASN,200,0));
           accept;
         };
         export filter { 
             if !unet_is_valid_network_v4_allnet() then reject; 
             if source !~ [RTS_STATIC, RTS_BGP] then reject;
             if bgp_large_community !~ [(UNET_ASN, 200,0)] then reject;      
-            bgp_large_community.empty;  
             accept;
         };
         import limit 9000 action block; 
@@ -24,15 +22,13 @@ template bgp unet_bgp_up0 {
         import filter {
           if !unet_is_voalid_net_v6() then reject;
           if unet_is_self_net_v6() then reject;
-          bgp_large_community.empty;  
-          bgp_large_community.add((UNET_ASN,200,0));# 传输到Ebgp
+          bgp_large_community.add((UNET_ASN,200,0));
           accept;
         };
         export filter { 
             if !unet_is_voalid_net_v6() then reject; 
             if source !~ [RTS_STATIC, RTS_BGP] then reject;
             if bgp_large_community !~ [(UNET_ASN, 200,0)] then reject;      
-            bgp_large_community.empty;  
             accept;
         };
         import limit 9000 action block; 
@@ -47,15 +43,13 @@ template bgp unet_bgp_up1 {
         import filter {
           if !unet_is_valid_network_v4() then reject;
           if unet_is_self_net() then reject;
-          bgp_large_community.empty;  
-          bgp_large_community.add((UNET_ASN,200,0));# 传输到Ebgp
+          bgp_large_community.add((UNET_ASN,200,0));
           accept;
         };
         export filter { 
             if !unet_is_valid_network_v4() then reject; 
             if source !~ [RTS_STATIC, RTS_BGP] then reject;
             if bgp_large_community !~ [(UNET_ASN, 200,0)] then reject;      
-            bgp_large_community.empty;  
             accept;
         };
         import limit 9000 action block; 
diff --git a/update.sh b/update.sh
index 80b25c0..f417afa 100644
--- a/update.sh
+++ b/update.sh
@@ -3,45 +3,12 @@
 cd 
 git clone https://git.nia.ink/brnet/bird_config.git
 
-# 备份配置
-cp /etc/bird/ /etc/bird.bak -r
-
-# 重构主配置文件
-rm /etc/bird/bird.conf -f
-mv ./bird_config/bird/bird.conf /etc/bird/bird.conf
-
-# 构建白名单配置目录
-mkdir -p /etc/bird/whitelist
-mv /etc/bird/first/ipconfig.conf /etc/bird/whitelist/ipconfig.conf
-wget https://noc.zhuantou.com.cn/api/network.php?s=inet4-bird-function  -O /etc/bird/whitelist/inet4-bird-function.conf
-wget https://noc.zhuantou.com.cn/api/network.php?s=inet6-bird-function  -O /etc/bird/whitelist/inet6-bird-function.conf
-wget https://noc.zhuantou.com.cn/api/network.php?s=dn42-bird-function  -O /etc/bird/whitelist/dn42-bird-function.conf
-rm /etc/bird/first -rf
-
-# 构建模板目录
 rm /etc/bird/template -rf
 mv ./bird_config/bird/template /etc/bird/template
 
-# 构建网络配置目录
-rm /etc/bird/net -rf
-mv ./bird_config/bird/net /etc/bird/net
-
-# 更新UNET配置函数
 rm /etc/bird/function/unet.conf -f
 mv ./bird_config/bird/function/unet.conf /etc/bird/function/unet.conf
 
-# 删除ixp模板配置
-rm /etc/bird/conf/inet_ixp.conf -f
-
-
-echo "
-105 dn42" >> /etc/iproute2/rt_tables
-
-mv ./bird_config/ip-policy-rules /etc/init.d/ip-policy-rules
-chmod +x /etc/init.d/ip-policy-rules
-rc-update add ip-policy-rules default
-rc-service ip-policy-rules start
-
 
 chmod -R 755 /etc/bird