diff --git a/toolchain/build.sh b/toolchain/build.sh
index ad2b2ca..4a88461 100644
--- a/toolchain/build.sh
+++ b/toolchain/build.sh
@@ -24,27 +24,34 @@ elif [ "$model" = "OpenWrt_X86_64_v24.10" ]; then
     curl -s $Github/target-modify_for_x86_64.patch | patch -p1
 fi
 
-# fix gcc14 and gcc15
+# fix gcc14
 if [ "$USE_GCC14" = y ] || [ "$USE_GCC15" = y ]; then
-    # 如果是 GCC 14 或 GCC 15，则替换并克隆修复后的 linux-atm
-    echo "Detected GCC 14 or 15. Replacing linux-atm with a fixed version..."
-
-    # 移除原有的 linux-atm 软件包
+    # linux-atm
     rm -rf package/network/utils/linux-atm
-
-    # 从 GitHub 克隆修复后的 linux-atm 软件包
-    git clone https://github.com/sbwml/package_network_utils_linux-atm package/network/utils/linux-atm
-
-    # 检查是否克隆成功
-    if [ -d "package/network/utils/linux-atm" ]; then
-        echo "linux-atm has been successfully replaced for GCC 14/15 compatibility."
-    else
-        echo "Failed to clone the fixed linux-atm package. Please check your network or the repository URL."
-        exit 1
+    git clone https://$github/sbwml/package_network_utils_linux-atm package/network/utils/linux-atm
+    # glibc
+    # Added the compiler flag -Wno-implicit-function-declaration to suppress
+    # warnings about implicit function declarations during the build process.
+    # This change addresses build issues in environments where some functions
+    # are used without prior declaration.
+    if [ "$ENABLE_GLIBC" = "y" ]; then
+        # perl
+        sed -i "/Target perl/i\TARGET_CFLAGS_PERL += -Wno-implicit-function-declaration -Wno-int-conversion\n" feeds/packages/lang/perl/Makefile
+        sed -i '/HOST_BUILD_PARALLEL/aPKG_BUILD_FLAGS:=no-mold' feeds/packages/lang/perl/Makefile
+        # lucihttp
+        sed -i "/TARGET_CFLAGS/i\TARGET_CFLAGS += -Wno-implicit-function-declaration" feeds/luci/contrib/package/lucihttp/Makefile
+        # rpcd
+        sed -i "/TARGET_LDFLAGS/i\TARGET_CFLAGS += -Wno-implicit-function-declaration" package/system/rpcd/Makefile
+        # ucode-mod-lua
+        sed -i "/Build\/Configure/i\TARGET_CFLAGS += -Wno-implicit-function-declaration" feeds/luci/contrib/package/ucode-mod-lua/Makefile
+        # luci-base
+        sed -i "s/-DNDEBUG/-DNDEBUG -Wno-implicit-function-declaration/g" feeds/luci/modules/luci-base/src/Makefile
+        # uhttpd
+        sed -i "/Package\/uhttpd\/install/i\TARGET_CFLAGS += -Wno-implicit-function-declaration\n" package/network/services/uhttpd/Makefile
+        # shadow
+        sed -i '/TARGET_LDFLAGS/d' feeds/packages/utils/shadow/Makefile
+        sed -i 's/libxcrypt/openssl/g' feeds/packages/utils/shadow/Makefile
     fi
-else
-    # 如果不是 GCC 14 或 GCC 15，则什么都不做
-    echo "GCC 14 or 15 not enabled. Skipping linux-atm replacement."
 fi
 
 # fix gcc-15