diff --git a/lang/golang/parser/file.go b/lang/golang/parser/file.go
index 1115f6ee..822ee703 100644
--- a/lang/golang/parser/file.go
+++ b/lang/golang/parser/file.go
@@ -471,10 +471,17 @@ func (p *GoParser) parseStruct(ctx *fileContext, struName string, name *ast.Iden
 			fieldname = fieldDecl.Names[0].Name
 		}
 		if stru, ok := fieldDecl.Type.(*ast.StructType); ok {
-			// anonymous struct. parse and collect it
+			// anonymous struct. parse it
 			as, _ := p.parseStruct(ctx, "_"+fieldname, nil, stru)
-			dep := NewDependency(as.Identity, ctx.FileLine(fieldDecl.Type))
-			st.SubStruct = append(st.SubStruct, dep)
+			// move out substructs of the anonymous struct
+			for _, dep := range as.SubStruct {
+				st.SubStruct = InsertDependency(st.SubStruct, dep)
+			}
+			for _, dep := range as.InlineStruct {
+				st.SubStruct = InsertDependency(st.InlineStruct, dep)
+			}
+			// remove the anonymous struct from the repo
+			delete(p.repo.GetPackage(as.ModPath, as.PkgPath).Types, as.Name)
 		} else {
 			p.collectTypes(ctx, fieldDecl.Type, st, inlined)
 		}
diff --git a/lang/golang/parser/pkg.go b/lang/golang/parser/pkg.go
index ce75aca8..540df8f6 100644
--- a/lang/golang/parser/pkg.go
+++ b/lang/golang/parser/pkg.go
@@ -93,12 +93,12 @@ func (p *GoParser) associateImplements() {
 		for iface, iid := range p.interfaces {
 			if types.Implements(typ, iface) {
 				tobj := p.getRepo().GetType(tid)
-				tobj.Implements = append(tobj.Implements, iid)
+				tobj.Implements = Append(tobj.Implements, iid)
 			}
 			// 另外检查 typ 的指针类型是否实现了 iface
 			if types.Implements(types.NewPointer(typ), iface) {
 				tobj := p.getRepo().GetType(tid)
-				tobj.Implements = append(tobj.Implements, iid)
+				tobj.Implements = Append(tobj.Implements, iid)
 			}
 		}
 	}
diff --git a/lang/golang/parser/pkg_test.go b/lang/golang/parser/pkg_test.go
index 7c9ea858..1763338c 100644
--- a/lang/golang/parser/pkg_test.go
+++ b/lang/golang/parser/pkg_test.go
@@ -114,8 +114,9 @@ func Test_goParser_ParseDirs(t *testing.T) {
 			if err != nil {
 				t.Fatal(err)
 			}
-			_ = out
-			println(string(out))
+			if err := os.WriteFile("golang.json", out, 0644); err != nil {
+				t.Fatal(err)
+			}
 		})
 	}
 }
diff --git a/lang/uniast/node.go b/lang/uniast/node.go
index 1112b9ea..d6dfc096 100644
--- a/lang/uniast/node.go
+++ b/lang/uniast/node.go
@@ -90,7 +90,7 @@ func calOffset(ref, dep FileLine) int {
 
 func (r *Repository) AddRelation(node *Node, dep Identity, depFl FileLine) {
 	line := calOffset(node.FileLine(), depFl)
-	node.Dependencies = append(node.Dependencies, Relation{
+	node.Dependencies = InsertRelation(node.Dependencies, Relation{
 		Identity: dep,
 		Kind:     DEPENDENCY,
 		Line:     line,
@@ -104,7 +104,7 @@ func (r *Repository) AddRelation(node *Node, dep Identity, depFl FileLine) {
 		}
 		r.Graph[key] = nd
 	}
-	nd.References = append(nd.References, Relation{
+	nd.References = InsertRelation(nd.References, Relation{
 		Identity: node.Identity,
 		Kind:     REFERENCE,
 		Line:     line,
@@ -145,6 +145,9 @@ func (r *Repository) BuildGraph() error {
 				for _, dep := range f.Types {
 					r.AddRelation(n, dep.Identity, dep.FileLine)
 				}
+				if f.Receiver != nil {
+					r.AddRelation(n, f.Receiver.Type, n.FileLine())
+				}
 				for _, dep := range f.GlobalVars {
 					r.AddRelation(n, dep.Identity, dep.FileLine)
 				}
diff --git a/lang/uniast/utils.go b/lang/uniast/utils.go
index 0870024f..a00957cc 100644
--- a/lang/uniast/utils.go
+++ b/lang/uniast/utils.go
@@ -21,6 +21,15 @@ import (
 	"os"
 )
 
+func Append[T comparable](ids []T, id T) []T {
+	for _, i := range ids {
+		if i == id {
+			return ids
+		}
+	}
+	return append(ids, id)
+}
+
 func InsertDependency(ids []Dependency, id Dependency) []Dependency {
 	for _, i := range ids {
 		if i.Identity == id.Identity {
@@ -39,6 +48,15 @@ func InserImport(ids []Import, id Import) []Import {
 	return append(ids, id)
 }
 
+func InsertRelation(ids []Relation, id Relation) []Relation {
+	for _, i := range ids {
+		if i.Identity == id.Identity {
+			return ids
+		}
+	}
+	return append(ids, id)
+}
+
 func LoadRepo(path string) (*Repository, error) {
 	bs, err := os.ReadFile(path)
 	if err != nil {
diff --git a/testdata/golang/go.mod b/testdata/golang/go.mod
index 1f107d0e..6e52283a 100644
--- a/testdata/golang/go.mod
+++ b/testdata/golang/go.mod
@@ -2,10 +2,7 @@ module a.b/c
 
 go 1.20
 
-require (
-	github.com/bytedance/sonic v1.10.2
-	github.com/pkg/errors v0.9.1
-)
+require github.com/bytedance/sonic v1.10.2
 
 require (
 	github.com/chenzhuoyu/base64x v0.0.0-20230717121745-296ad89f973d // indirect
diff --git a/testdata/golang/go.sum b/testdata/golang/go.sum
index a99e9adf..956451c1 100644
--- a/testdata/golang/go.sum
+++ b/testdata/golang/go.sum
@@ -14,8 +14,6 @@ github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSs
 github.com/klauspost/cpuid/v2 v2.0.9 h1:lgaqFMSdTdQYdZ04uHyN2d/eKdOMyi2YLSvlQIBFYa4=
 github.com/klauspost/cpuid/v2 v2.0.9/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg=
 github.com/knz/go-libedit v1.10.1/go.mod h1:MZTVkCWyz0oBc7JOWP3wNAzd002ZbM/5hgShxwh4x8M=
-github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
-github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
diff --git a/testdata/golang/pkg/entity/entity.go b/testdata/golang/pkg/entity/entity.go
index 23983492..830ef77c 100644
--- a/testdata/golang/pkg/entity/entity.go
+++ b/testdata/golang/pkg/entity/entity.go
@@ -1,11 +1,11 @@
 // Copyright 2025 CloudWeGo Authors
-// 
+//
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
-// 
+//
 //     https://www.apache.org/licenses/LICENSE-2.0
-// 
+//
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -25,6 +25,9 @@ type MyStruct struct {
 	b string
 	c MyStructC
 	MyStructD
+	Embed struct {
+		*MyStruct
+	}
 }
 
 type InterfaceB interface {
@@ -32,6 +35,8 @@ type InterfaceB interface {
 }
 
 func (a MyStruct) String() string {
+	_ = a.Embed.MyStruct
+	_ = a.MyStructD
 	return "base struct"
 }