diff --git a/chore/_xtool/llcppsigfetch/parse/cvt.go b/chore/_xtool/llcppsigfetch/parse/cvt.go
index c92afa49..e5d34eb2 100644
--- a/chore/_xtool/llcppsigfetch/parse/cvt.go
+++ b/chore/_xtool/llcppsigfetch/parse/cvt.go
@@ -237,6 +237,8 @@ func (ct *Converter) ProcessType(t clang.Type) ast.Expr {
 	switch t.Kind {
 	case clang.TypePointer:
 		expr = &ast.PointerType{X: ct.ProcessType(t.PointeeType())}
+	case clang.TypeLValueReference, clang.TypeRValueReference:
+		expr = &ast.LvalueRefType{X: ct.ProcessType(t.NonReferenceType())}
 	case clang.TypeFunctionProto:
 		// function type will only collect return type, params will be collected in ProcessFunc
 		ret := ct.ProcessType(t.ResultType())
diff --git a/chore/_xtool/llcppsigfetch/parse/cvt_test/decl_test/func_test/func.go b/chore/_xtool/llcppsigfetch/parse/cvt_test/decl_test/func_test/func.go
index 646427ce..9a555bbc 100644
--- a/chore/_xtool/llcppsigfetch/parse/cvt_test/decl_test/func_test/func.go
+++ b/chore/_xtool/llcppsigfetch/parse/cvt_test/decl_test/func_test/func.go
@@ -18,6 +18,9 @@ func TestFuncDecl() {
 
 		`void foo(char str[]);`,
 		`void foo(int arr[3][4]);`,
+
+		`void foo(int& a);`,
+		`void foo(int&& a);`,
 	}
 	test.RunTest("TestFuncDecl", testCases)
 }
diff --git a/chore/_xtool/llcppsigfetch/parse/cvt_test/decl_test/func_test/llgo.expect b/chore/_xtool/llcppsigfetch/parse/cvt_test/decl_test/func_test/llgo.expect
index 900c5d07..1769dc0f 100644
--- a/chore/_xtool/llcppsigfetch/parse/cvt_test/decl_test/func_test/llgo.expect
+++ b/chore/_xtool/llcppsigfetch/parse/cvt_test/decl_test/func_test/llgo.expect
@@ -384,6 +384,96 @@ TestFuncDecl Case 8:
 	}
 }
 
+TestFuncDecl Case 9:
+{
+	"temp.h":	{
+		"decls":	[{
+				"Loc":	{
+					"File":	"temp.h"
+				},
+				"Doc":	{
+					"List":	[]
+				},
+				"Parent":	null,
+				"Name":	{
+					"Name":	"foo"
+				},
+				"Type":	{
+					"Params":	{
+						"List":	[{
+								"Type":	{
+									"X":	{
+										"Kind":	6,
+										"Flags":	0
+									}
+								},
+								"Doc":	{
+									"List":	[]
+								},
+								"Comment":	{
+									"List":	[]
+								},
+								"Names":	[{
+										"Name":	"a"
+									}]
+							}]
+					},
+					"Ret":	{
+						"Kind":	0,
+						"Flags":	0
+					}
+				}
+			}],
+		"includes":	[],
+		"macros":	[]
+	}
+}
+
+TestFuncDecl Case 10:
+{
+	"temp.h":	{
+		"decls":	[{
+				"Loc":	{
+					"File":	"temp.h"
+				},
+				"Doc":	{
+					"List":	[]
+				},
+				"Parent":	null,
+				"Name":	{
+					"Name":	"foo"
+				},
+				"Type":	{
+					"Params":	{
+						"List":	[{
+								"Type":	{
+									"X":	{
+										"Kind":	6,
+										"Flags":	0
+									}
+								},
+								"Doc":	{
+									"List":	[]
+								},
+								"Comment":	{
+									"List":	[]
+								},
+								"Names":	[{
+										"Name":	"a"
+									}]
+							}]
+					},
+					"Ret":	{
+						"Kind":	0,
+						"Flags":	0
+					}
+				}
+			}],
+		"includes":	[],
+		"macros":	[]
+	}
+}
+
 
 #stderr
 
diff --git a/chore/_xtool/llcppsigfetch/parse/dump.go b/chore/_xtool/llcppsigfetch/parse/dump.go
index 2f2e71dd..0f8024d0 100644
--- a/chore/_xtool/llcppsigfetch/parse/dump.go
+++ b/chore/_xtool/llcppsigfetch/parse/dump.go
@@ -146,6 +146,10 @@ func MarshalASTExpr(t ast.Expr) *cjson.JSON {
 	case *ast.BasicLit:
 		root.SetItem(c.Str("Kind"), cjson.Number(float64(d.Kind)))
 		root.SetItem(c.Str("Value"), cjson.String(c.AllocaCStr(d.Value)))
+	case *ast.LvalueRefType:
+		root.SetItem(c.Str("X"), MarshalASTExpr(d.X))
+	case *ast.RvalueRefType:
+		root.SetItem(c.Str("X"), MarshalASTExpr(d.X))
 	case *ast.PointerType:
 		root.SetItem(c.Str("X"), MarshalASTExpr(d.X))
 	case *ast.ArrayType: