diff --git a/bird/bird.conf b/bird/bird.conf
index 49d4b2a..1df7f8e 100644
--- a/bird/bird.conf
+++ b/bird/bird.conf
@@ -31,7 +31,22 @@ protocol kernel {
                 krt_prefsrc = UNET_V4_kernel;
                 accept;
             }
+            reject;
+        };
+    };
+};
+
+# echo "102 ipv4_pub" >> /etc/iproute2/rt_tables
+protocol kernel {
+    scan time 20;
+    kernel table 102;  
+    ipv4 {
+        table inet4;
+        import none;
+        export filter {
+            if source = RTS_STATIC then reject;
             if !is_bogon_prefix() then {
+                if bgp_large_community ~ [(LOCAL_ASN, 3,*)] then reject;
                 krt_prefsrc = LOCAL_V4_kernel;
                 accept;
             }
diff --git a/bird/function/tables.conf b/bird/function/tables.conf
index fb60958..f95a190 100644
--- a/bird/function/tables.conf
+++ b/bird/function/tables.conf
@@ -15,15 +15,15 @@ protocol pipe inet6_sync {
     };
 }
 
-protocol pipe inet4_sync {
-  table inet4;
-  peer table master4;
-  import none;
-  export filter {
-    if bgp_large_community ~ [(LOCAL_ASN, 3,*)] then reject;
-    accept;
-    };
-}
+#protocol pipe inet4_sync {
+#  table inet4;
+#  peer table master4;
+#  import none;
+#  export filter {
+#    if bgp_large_community ~ [(LOCAL_ASN, 3,*)] then reject;
+#    accept;
+#    };
+#}
 
 protocol pipe unet4_sync {
   table unet4;
diff --git a/update.sh b/update.sh
new file mode 100644
index 0000000..18c1d56
--- /dev/null
+++ b/update.sh
@@ -0,0 +1,22 @@
+#!/bin/bash
+
+TABLE_NAME="ipv4_pub"
+TABLE_ID=102
+RT_TABLES="/etc/iproute2/rt_tables"
+
+if ! grep -q "^${TABLE_ID}[[:space:]]\+${TABLE_NAME}" "$RT_TABLES"; then
+    echo "添加路由表 $TABLE_NAME（编号$TABLE_ID）..."
+    echo "${TABLE_ID}  ${TABLE_NAME}" >> "$RT_TABLES"
+else
+    echo "路由表 $TABLE_NAME 已存在，无需创建"
+fi
+
+git clone git@ssh.git.nia.ink:brnet/bird_config.git
+rm /etc/bird/bird.conf
+rm /etc/bird/function/tables.conf
+
+mv bird_config/bird.conf /etc/bird/bird.conf
+mv bird_config/function/tables.conf /etc/bird/function/tables.conf
+rm -rf bird_config
+
+birdc c 
\ No newline at end of file