diff --git a/toolchain/build.sh b/toolchain/build.sh
index 2a8dd6f..77da9a3 100644
--- a/toolchain/build.sh
+++ b/toolchain/build.sh
@@ -144,6 +144,32 @@ elif [ "$model" = "OpenWrt_X86_64_v24.10" ]; then
     curl -s https://git.kejizero.online/zhao/files/raw/branch/main/toolchain/Configs/immortalwrt_x86_64.config > .config  
 fi
 
+# bpf
+[ "$ENABLE_BPF" = "y" ] && curl -s $mirror/openwrt/generic/config-bpf >> .config
+
+# LTO
+export ENABLE_LTO=$ENABLE_LTO
+[ "$ENABLE_LTO" = "y" ] && curl -s $mirror/openwrt/generic/config-lto >> .config
+
+# mold
+[ "$ENABLE_MOLD" = "y" ] && echo 'CONFIG_USE_MOLD=y' >> .config
+
+# glibc
+[ "$ENABLE_GLIBC" = "y" ] && {
+    curl -s $mirror/openwrt/generic/config-glibc >> .config
+    sed -i '/NaiveProxy/d' .config
+}
+
+# mold
+[ "$ENABLE_MOLD" = "y" ] && echo 'CONFIG_USE_MOLD=y' >> .config
+
+# ccache
+if [ "$USE_GCC15" = "y" ] && [ "$ENABLE_CCACHE" = "y" ]; then
+    echo "CONFIG_CCACHE=y" >> .config
+    echo "CONFIG_CCACHE_DIR=\"/builder/.ccache\"" >> .config
+    tools_suffix="_ccache"
+fi
+
 # gcc14 & 15
 if [ "$USE_GCC13" = y ]; then
     export USE_GCC13=y gcc_version=13