diff --git a/toolchain/build.sh b/toolchain/build.sh
index 8902a0e..bbb28c8 100644
--- a/toolchain/build.sh
+++ b/toolchain/build.sh
@@ -30,6 +30,9 @@ echo -e "CONFIG_DEVEL=y" >> .config
 echo -e "CONFIG_TOOLCHAINOPTS=y" >> .config
 echo -e "CONFIG_GCC_USE_VERSION_${gcc_version}=y\n" >> .config
 
+# bpf
+curl -s https://raw.githubusercontent.com/oppen321/ZeroWrt-Action/refs/heads/master/generic/config-bpf/generic/config-bpf >> .config
+
 # Compile
 make defconfig
 make -j$cores toolchain/compile || make -j$cores toolchain/compile V=s || exit 1