diff --git a/README.md b/README.md
index b58bbb0b..bda697c2 100644
--- a/README.md
+++ b/README.md
@@ -55,6 +55,8 @@ And you can import any Python library into `llgo` through a program called `llpy
 * [inspect](https://pkg.go.dev/github.com/goplus/llgo/py/inspect)
 * [statistics](https://pkg.go.dev/github.com/goplus/llgo/py/statistics)
 * [numpy](https://pkg.go.dev/github.com/goplus/llgo/py/numpy)
+* [pandas](https://pkg.go.dev/github.com/goplus/llgo/py/pandas)
+* [pytorch](https://pkg.go.dev/github.com/goplus/llgo/py/torch)
 
 Here is an example using the Python `math` library:
 
diff --git a/xtool/clang/types/types.go b/xtool/clang/types/types.go
index df52fa95..3c617159 100644
--- a/xtool/clang/types/types.go
+++ b/xtool/clang/types/types.go
@@ -63,9 +63,14 @@ func init() {
 // -----------------------------------------------------------------------------
 
 func NewFunc(params, results *types.Tuple, variadic bool) *types.Signature {
-	return gogen.NewCSignature(params, results, variadic)
+	panic("todo")
 }
 
+func NewPointer(typ types.Type) types.Type {
+	panic("todo")
+}
+
+/*
 func NewPointer(typ types.Type) types.Type {
 	switch t := typ.(type) {
 	case *types.Basic:
@@ -95,5 +100,6 @@ func IsFunc(typ types.Type) bool {
 func Identical(typ1, typ2 types.Type) bool {
 	return types.Identical(typ1, typ2)
 }
+*/
 
 // -----------------------------------------------------------------------------