diff --git a/Formula/l/llgo.rb b/Formula/l/llgo.rb
index fdc20dbbcd1c0..ee55f7fd87df9 100644
--- a/Formula/l/llgo.rb
+++ b/Formula/l/llgo.rb
@@ -1,10 +1,10 @@
 class Llgo < Formula
   desc "Go compiler based on LLVM integrate with the C ecosystem and Python"
-  homepage "https://github.com/goplus/llgo"
-  url "https://github.com/goplus/llgo/archive/refs/tags/v0.11.5.tar.gz"
-  sha256 "e025993d12c1f5e49e5b8dcb31c0e8b349efe56970d1a23d6c089ebd10928c6b"
+  homepage "https://github.com/luoliwoshang/llgo"
+  url "https://github.com/luoliwoshang/llgo/archive/refs/tags/v0.12.11.tar.gz"
+  sha256 "ee3817eaadd5feb1dd253da2a297239d3575a7825cae6d6cc06905a4693026ce"
   license "Apache-2.0"
-  head "https://github.com/goplus/llgo.git", branch: "main"
+  head "https://github.com/luoliwoshang/llgo.git", branch: "main"
 
   livecheck do
     url :stable
@@ -31,10 +31,6 @@ class Llgo < Formula
   depends_on "pkgconf"
   uses_from_macos "zlib"
 
-  on_linux do
-    depends_on "libunwind"
-  end
-
   def find_dep(name)
     deps.find { |f| f.name.match?(/^#{name}(@\d+(\.\d+)*)?$/) }
         .to_formula
@@ -69,9 +65,8 @@ def install
     script_env = { PATH: "#{path_deps.join(":")}:$PATH" }
 
     if OS.linux?
-      libunwind = find_dep("libunwind")
-      script_env[:CFLAGS] = "-I#{libunwind.opt_include} $CFLAGS"
-      script_env[:LDFLAGS] = "-L#{libunwind.opt_lib} -rpath #{libunwind.opt_lib} $LDFLAGS"
+      script_env[:CFLAGS] = "-I#{llvm.opt_include} $CFLAGS"
+      script_env[:LDFLAGS] = "-L#{llvm.opt_lib} -rpath #{llvm.opt_lib} $LDFLAGS"
     end
 
     (libexec/"bin").children.each do |f|
@@ -100,6 +95,7 @@ def install
           "fmt"
 
           "github.com/goplus/lib/c"
+          "github.com/goplus/lib/cpp/std"
       )
 
       func Foo() string {
@@ -109,6 +105,7 @@ def install
       func main() {
         fmt.Println("Hello LLGo by fmt.Println")
         c.Printf(c.Str("Hello LLGo by c.Printf\\n"))
+        c.Printf(std.Str("Hello LLGo by cpp/std.Str\\n").CStr())
       }
     GO
     (testpath/"hello_test.go").write <<~GO
@@ -130,12 +127,14 @@ module hello
     system go.opt_bin/"go", "get", "github.com/goplus/lib"
     # Test llgo run
     assert_equal "Hello LLGo by fmt.Println\n" \
-                 "Hello LLGo by c.Printf\n",
+                 "Hello LLGo by c.Printf\n" \
+                 "Hello LLGo by cpp/std.Str\n",
                  shell_output("#{bin}/llgo run .")
     # Test llgo build
     system bin/"llgo", "build", "-o", "hello", "."
     assert_equal "Hello LLGo by fmt.Println\n" \
-                 "Hello LLGo by c.Printf\n",
+                 "Hello LLGo by c.Printf\n" \
+                 "Hello LLGo by cpp/std.Str\n",
                  shell_output("./hello")
     # Test llgo test
     assert_match "PASS", shell_output("#{bin}/llgo test .")