diff --git a/.github/workflows/build-kernel_by_Slim_LLVM1.yml b/.github/workflows/build-kernel_by_Slim_LLVM1.yml
index a5aa3e1423..88f61a9c70 100644
--- a/.github/workflows/build-kernel_by_Slim_LLVM1.yml
+++ b/.github/workflows/build-kernel_by_Slim_LLVM1.yml
@@ -76,6 +76,11 @@ jobs:
       run: |
         cd $GITHUB_WORKSPACE/kernel_workspace
         mkdir llvm-clang && mkdir binutils 
+        if [ ${{ env.SLIM_LLVM_CLANG_VERSION }} = 18.1.0 ]; then
+             wget -O clang181.tar.xz https://mirrors.edge.kernel.org/pub/tools/llvm/files/llvm-18.1.0-x86_64.tar.xz
+             tar -C llvm-clang/ -xf clang181.tar.xz
+        fi
+        
         if [ ${{ env.SLIM_LLVM_CLANG_VERSION }} = 17.0.6 ]; then
              wget -O clang17.tar.xz https://github.com/tomxi1997/Toolchain-for-amd64-hosts/releases/download/v1/llvm-17.0.6-x86_64.tar.xz 
              tar -C llvm-clang/ -xf clang17.tar.xz