diff --git a/README.md b/README.md
index d1910c00..b4c9bf0a 100644
--- a/README.md
+++ b/README.md
@@ -335,6 +335,7 @@ Here are the Go packages that can be imported correctly:
 * [regexp/syntax](https://pkg.go.dev/regexp/syntax)
 * [go/token](https://pkg.go.dev/go/token)
 * [go/scanner](https://pkg.go.dev/go/scanner)
+* [go/parser](https://pkg.go.dev/go/parser)
 
 
 ## Dependencies
diff --git a/_cmptest/_goparsedemo/parse.go b/_cmptest/goparsedemo/parse.go
similarity index 100%
rename from _cmptest/_goparsedemo/parse.go
rename to _cmptest/goparsedemo/parse.go
diff --git a/go.mod b/go.mod
index 6acc0c66..53586e7f 100644
--- a/go.mod
+++ b/go.mod
@@ -7,7 +7,7 @@ toolchain go1.24.1
 require (
 	github.com/goplus/gogen v1.17.2
 	github.com/goplus/lib v0.2.0
-	github.com/goplus/llgo/runtime v0.0.0-20250403035532-0a8a4eb6a653
+	github.com/goplus/llgo/runtime v0.0.0-00010101000000-000000000000
 	github.com/goplus/llvm v0.8.3
 	github.com/goplus/mod v0.16.0
 	github.com/qiniu/x v1.13.19
diff --git a/runtime/internal/lib/runtime/compiler.go b/runtime/internal/lib/runtime/compiler.go
new file mode 100644
index 00000000..e79e34b2
--- /dev/null
+++ b/runtime/internal/lib/runtime/compiler.go
@@ -0,0 +1,13 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package runtime
+
+// Compiler is the name of the compiler toolchain that built the
+// running binary. Known toolchains are:
+//
+//   - gc      Also known as cmd/compile.
+//   - gccgo   The gccgo front end, part of the GCC compiler suite.
+//   - llgo    Our proect
+const Compiler = "llgo"