diff --git a/toolchain/build.sh b/toolchain/build.sh
index 5e4054f..8b3cc43 100644
--- a/toolchain/build.sh
+++ b/toolchain/build.sh
@@ -1,13 +1,7 @@
 #!/bin/bash -e
 
 # Clone source code
-if [ "$model" = "Padavanonly_MT798X_v24.10" ]; then
-    git clone -b 2410 --single-branch --filter=blob:none https://github.com/padavanonly/immortalwrt-mt798x-24.10 openwrt
-elif [ "$model" = "Hanwckf_MT798X_v21.02" ]; then
-    git clone --depth=1 https://github.com/hanwckf/immortalwrt-mt798x openwrt
-elif [ "$model" = "OpenWrt_Rockchip_v24.10" ] || [ "$model" = "OpenWrt_X86_64_v24.10" ]; then
-    git clone -b openwrt-24.10 --single-branch --filter=blob:none https://github.com/immortalwrt/immortalwrt openwrt  
-fi
+git clone -b openwrt-24.10 --single-branch --filter=blob:none https://github.com/openwrt/openwrt openwrt
 
 # Enter source code
 cd openwrt
@@ -16,16 +10,32 @@ cd openwrt
 ./scripts/feeds update -a
 ./scripts/feeds install -a
 
+# gcc15 patches
+curl -s https://raw.githubusercontent.com/oppen321/ZeroWrt-Action/refs/heads/master/patch/GCC/202-toolchain-gcc-add-support-for-GCC-15.patch | patch -p1
+
 # Load devices Config
-if [ "$model" = "Padavanonly_MT798X_v24.10" ]; then
-    curl -s https://git.kejizero.online/zhao/files/raw/branch/main/toolchain/Configs/padavanonly_mt798x.config > .config
-elif [ "$model" = "Hanwckf_MT798X_v21.02" ]; then
-    curl -s https://git.kejizero.online/zhao/files/raw/branch/main/toolchain/Configs/hanwckf_mt798x.config > .config
-elif [ "$model" = "OpenWrt_Rockchip_v24.10" ]; then
+if [ "$model" = "OpenWrt_Rockchip_v24.10" ]; then
     curl -s https://git.kejizero.online/zhao/files/raw/branch/main/toolchain/Configs/immortalwrt_rockchip.config > .config
 elif [ "$model" = "OpenWrt_X86_64_v24.10" ]; then
     curl -s https://git.kejizero.online/zhao/files/raw/branch/main/toolchain/Configs/immortalwrt_x86_64.config > .config  
-fi    
+fi
+
+# gcc14 & 15
+if [ "$USE_GCC13" = y ]; then
+    export USE_GCC13=y gcc_version=13
+elif [ "$USE_GCC14" = y ]; then
+    export USE_GCC14=y gcc_version=14
+elif [ "$USE_GCC15" = y ]; then
+    export USE_GCC15=y gcc_version=15
+else
+    export USE_GCC14=y gcc_version=14
+fi
+
+# gcc config
+echo -e "\n# gcc ${gcc_version}" >> .config
+echo -e "CONFIG_DEVEL=y" >> .config
+echo -e "CONFIG_TOOLCHAINOPTS=y" >> .config
+echo -e "CONFIG_GCC_USE_VERSION_${gcc_version}=y\n" >> .config
 
 # Compile
 make defconfig
@@ -67,13 +77,23 @@ fi
 mkdir toolchain-cache
 
 # Compression toolchain
-if [ "$model" = "Padavanonly_MT798X_v24.10" ]; then
-    tar -I zstd -cvf toolchain-cache/toolchain_musl_padavanonly_mediatek_gcc-13.tar.zst build_dir dl tmp staging_dir
-elif [ "$model" = "Hanwckf_MT798X_v21.02" ]; then
-    tar -I zstd -cvf toolchain-cache/toolchain_musl_hanwckf_mediatek_gcc-8.tar.zst build_dir dl tmp staging_dir
-elif [ "$model" = "OpenWrt_Rockchip_v24.10" ]; then
-    tar -I zstd -cvf toolchain-cache/toolchain_musl_immortalwrt_rockchip_gcc-13.tar.zst build_dir dl tmp staging_dir
-elif [ "$model" = "OpenWrt_X86_64_v24.10" ]; then
-    tar -I zstd -cvf toolchain-cache/toolchain_musl_immortalwrt_X86_64_gcc-13.tar.zst build_dir dl tmp staging_dir  
-fi 
+case "$model" in
+    "OpenWrt_Rockchip_v24.10" | "OpenWrt_X86_64_v24.10")
+        if [ -z "$gcc_version" ]; then
+            echo "Error: GCC version not set!"
+            exit 1
+        fi
 
+        if [ "$model" = "OpenWrt_Rockchip_v24.10" ]; then
+            output_file="toolchain_musl_openwrt_rockchip_gcc-${gcc_version}.tar.zst"
+        elif [ "$model" = "OpenWrt_X86_64_v24.10" ]; then
+            output_file="toolchain_musl_openwrt_X86_64_gcc-${gcc_version}.tar.zst"
+        fi
+
+        tar -I zstd -cvf "toolchain-cache/${output_file}" build_dir dl tmp staging_dir
+        ;;
+    *)
+        echo "Error: Unknown model '$model'!"
+        exit 1
+        ;;
+esac