diff --git a/pkg/client/add.go b/pkg/client/add.go
index 05ad039e..3ba65af9 100644
--- a/pkg/client/add.go
+++ b/pkg/client/add.go
@@ -19,6 +19,19 @@ type AddOptions struct {
 
 type AddOption func(*AddOptions) error
 
+func WithAlias(alias string) AddOption {
+	return func(opts *AddOptions) error {
+		if opts.Source == nil {
+			return fmt.Errorf("source cannot be nil")
+		}
+		if opts.Source.ModSpec.IsNil() {
+			return fmt.Errorf("modSpec cannot be nil")
+		}
+		opts.Source.ModSpec.Alias = alias
+		return nil
+	}
+}
+
 func WithAddModSpec(modSpec *downloader.ModSpec) AddOption {
 	return func(opts *AddOptions) error {
 		if modSpec == nil {
@@ -146,8 +159,15 @@ func (c *KpmClient) Add(options ...AddOption) error {
 			depSource.ModSpec = modSpec
 		}
 
+		var depName string
+		if opts.Source.ModSpec.Alias != "" {
+			depName = opts.Source.ModSpec.Alias
+		} else {
+			depName = depPkg.ModFile.Pkg.Name
+		}
+
 		dep := pkg.Dependency{
-			Name:          depPkg.ModFile.Pkg.Name,
+			Name:          depName,
 			FullName:      depPkg.GetPkgFullName(),
 			Version:       depPkg.ModFile.Pkg.Version,
 			LocalFullPath: depPkg.HomePath,
diff --git a/pkg/client/add_test.go b/pkg/client/add_test.go
index b5f5b00b..a04d9998 100644
--- a/pkg/client/add_test.go
+++ b/pkg/client/add_test.go
@@ -7,6 +7,7 @@ import (
 
 	"github.com/otiai10/copy"
 	"github.com/stretchr/testify/assert"
+	"kcl-lang.io/kpm/pkg/downloader"
 	pkg "kcl-lang.io/kpm/pkg/package"
 	"kcl-lang.io/kpm/pkg/utils"
 )
@@ -135,3 +136,87 @@ func testAddWithModSpec(t *testing.T) {
 		})
 	}
 }
+
+func TestAddRenameWithModSpec(t *testing.T) {
+	testDir := getTestDir("add_with_mod_spec")
+	pkgPath := filepath.Join(testDir, "rename")
+
+	modbkPath := filepath.Join(pkgPath, "kcl.mod.bk")
+	modPath := filepath.Join(pkgPath, "kcl.mod")
+	modExpect := filepath.Join(pkgPath, "kcl.mod.expect")
+	lockbkPath := filepath.Join(pkgPath, "kcl.mod.lock.bk")
+	lockPath := filepath.Join(pkgPath, "kcl.mod.lock")
+	lockExpect := filepath.Join(pkgPath, "kcl.mod.lock.expect")
+
+	err := copy.Copy(modbkPath, modPath)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = copy.Copy(lockbkPath, lockPath)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	defer func() {
+		// remove the copied files
+		err := os.RemoveAll(modPath)
+		if err != nil {
+			t.Fatal(err)
+		}
+		err = os.RemoveAll(lockPath)
+		if err != nil {
+			t.Fatal(err)
+		}
+	}()
+
+	kpmcli, err := NewKpmClient()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	kpkg, err := pkg.LoadKclPkgWithOpts(
+		pkg.WithPath(pkgPath),
+		pkg.WithSettings(kpmcli.GetSettings()),
+	)
+
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = kpmcli.Add(
+		WithAddKclPkg(kpkg),
+		WithAddSourceUrl("oci://ghcr.io/kcl-lang/helloworld?tag=0.1.4"),
+		WithAddModSpec(&downloader.ModSpec{
+			Name:    "subhelloworld",
+			Version: "0.0.1",
+		}),
+		WithAlias("newpkg"),
+	)
+
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	expectedMod, err := os.ReadFile(modExpect)
+	if err != nil {
+		t.Fatal(err)
+	}
+	gotMod, err := os.ReadFile(modPath)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	expectedLock, err := os.ReadFile(lockExpect)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	gotLock, err := os.ReadFile(lockPath)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	assert.Equal(t, utils.RmNewline(string(expectedMod)), utils.RmNewline(string(gotMod)))
+	assert.Equal(t, utils.RmNewline(string(expectedLock)), utils.RmNewline(string(gotLock)))
+}
diff --git a/pkg/client/test_data/add_with_mod_spec/rename/kcl.mod.bk b/pkg/client/test_data/add_with_mod_spec/rename/kcl.mod.bk
new file mode 100644
index 00000000..abbf2dda
--- /dev/null
+++ b/pkg/client/test_data/add_with_mod_spec/rename/kcl.mod.bk
@@ -0,0 +1,4 @@
+[package]
+name = "rename"
+edition = "v0.10.0"
+version = "0.0.1"
diff --git a/pkg/client/test_data/add_with_mod_spec/rename/kcl.mod.expect b/pkg/client/test_data/add_with_mod_spec/rename/kcl.mod.expect
new file mode 100644
index 00000000..32c28baa
--- /dev/null
+++ b/pkg/client/test_data/add_with_mod_spec/rename/kcl.mod.expect
@@ -0,0 +1,7 @@
+[package]
+name = "rename"
+edition = "v0.10.0"
+version = "0.0.1"
+
+[dependencies]
+newpkg = { oci = "oci://ghcr.io/kcl-lang/helloworld", tag = "0.1.4", package = "subhelloworld", version = "0.0.1" }
diff --git a/pkg/client/test_data/add_with_mod_spec/rename/kcl.mod.lock.bk b/pkg/client/test_data/add_with_mod_spec/rename/kcl.mod.lock.bk
new file mode 100644
index 00000000..e69de29b
diff --git a/pkg/client/test_data/add_with_mod_spec/rename/kcl.mod.lock.expect b/pkg/client/test_data/add_with_mod_spec/rename/kcl.mod.lock.expect
new file mode 100644
index 00000000..8be56776
--- /dev/null
+++ b/pkg/client/test_data/add_with_mod_spec/rename/kcl.mod.lock.expect
@@ -0,0 +1,8 @@
+[dependencies]
+  [dependencies.newpkg]
+    name = "newpkg"
+    full_name = "subhelloworld_0.0.1"
+    version = "0.0.1"
+    reg = "ghcr.io"
+    repo = "kcl-lang/helloworld"
+    oci_tag = "0.1.4"
diff --git a/pkg/client/test_data/add_with_mod_spec/rename/main.k b/pkg/client/test_data/add_with_mod_spec/rename/main.k
new file mode 100644
index 00000000..fa7048e6
--- /dev/null
+++ b/pkg/client/test_data/add_with_mod_spec/rename/main.k
@@ -0,0 +1 @@
+The_first_kcl_program = 'Hello World!'
\ No newline at end of file
diff --git a/pkg/downloader/source.go b/pkg/downloader/source.go
index d32abb35..d3a33fed 100644
--- a/pkg/downloader/source.go
+++ b/pkg/downloader/source.go
@@ -20,6 +20,7 @@ import (
 type ModSpec struct {
 	Name    string
 	Version string
+	Alias   string
 }
 
 // IsNil returns true if the ModSpec is nil.
diff --git a/pkg/downloader/toml.go b/pkg/downloader/toml.go
index c2201382..e42ec578 100644
--- a/pkg/downloader/toml.go
+++ b/pkg/downloader/toml.go
@@ -16,7 +16,11 @@ const SPEC_PATTERN = "%s = %q"
 func (ps *ModSpec) MarshalTOML() string {
 	var sb strings.Builder
 	if ps != nil && len(ps.Version) != 0 && len(ps.Name) != 0 {
-		sb.WriteString(fmt.Sprintf(SPEC_PATTERN, ps.Name, ps.Version))
+		if len(ps.Alias) == 0 {
+			sb.WriteString(fmt.Sprintf("%q", ps.Version))
+		} else {
+			sb.WriteString(fmt.Sprintf(SOURCE_PATTERN, fmt.Sprintf("package = %q, version = %q", ps.Name, ps.Version)))
+		}
 		return sb.String()
 	}
 
@@ -28,16 +32,21 @@ func (source *Source) MarshalTOML() string {
 	if source.SpecOnly() {
 		return source.ModSpec.MarshalTOML()
 	} else {
-		var pkgVersion string
+		var pkgSpec string
 		var tomlStr string
+
 		if source.ModSpec != nil && len(source.ModSpec.Version) > 0 {
-			pkgVersion = fmt.Sprintf(", version = %q", source.ModSpec.Version)
+			if source.ModSpec.Alias != "" {
+				pkgSpec = fmt.Sprintf(", package = %q, version = %q", source.ModSpec.Name, source.ModSpec.Version)
+			} else {
+				pkgSpec = fmt.Sprintf(", version = %q", source.ModSpec.Version)
+			}
 		}
 
 		if source.Git != nil {
 			tomlStr = source.Git.MarshalTOML()
 			if len(tomlStr) != 0 {
-				tomlStr = fmt.Sprintf(SOURCE_PATTERN, tomlStr+pkgVersion)
+				tomlStr = fmt.Sprintf(SOURCE_PATTERN, tomlStr+pkgSpec)
 			}
 		}
 
@@ -45,7 +54,7 @@ func (source *Source) MarshalTOML() string {
 			tomlStr = source.Oci.MarshalTOML()
 			if len(tomlStr) != 0 {
 				if len(source.Oci.Reg) != 0 && len(source.Oci.Repo) != 0 {
-					tomlStr = fmt.Sprintf(SOURCE_PATTERN, tomlStr+pkgVersion)
+					tomlStr = fmt.Sprintf(SOURCE_PATTERN, tomlStr+pkgSpec)
 				}
 			}
 		}
@@ -53,15 +62,11 @@ func (source *Source) MarshalTOML() string {
 		if source.Local != nil {
 			tomlStr = source.Local.MarshalTOML()
 			if len(tomlStr) != 0 {
-				tomlStr = fmt.Sprintf(SOURCE_PATTERN, tomlStr+pkgVersion)
+				tomlStr = fmt.Sprintf(SOURCE_PATTERN, tomlStr+pkgSpec)
 			}
 		}
 
-		if source.ModSpec != nil && len(source.ModSpec.Name) != 0 {
-			sb.WriteString(fmt.Sprintf(DEP_PATTERN, source.ModSpec.Name, tomlStr))
-		} else {
-			sb.WriteString(tomlStr)
-		}
+		sb.WriteString(tomlStr)
 	}
 
 	return sb.String()
@@ -160,14 +165,19 @@ func (source *Source) UnmarshalModTOML(data interface{}) error {
 			source.Oci = &oci
 		}
 
+		pSpec := ModSpec{}
 		if v, ok := meta["version"].(string); ok {
-			pSpec := ModSpec{}
 			err := pSpec.UnmarshalModTOML(v)
 			if err != nil {
 				return err
 			}
 			source.ModSpec = &pSpec
 		}
+
+		if v, ok := meta["package"].(string); ok {
+			pSpec.Name = v
+			source.ModSpec = &pSpec
+		}
 	}
 
 	_, ok = data.(string)
diff --git a/pkg/package/test_data/test_rename_pkg/kcl.mod b/pkg/package/test_data/test_rename_pkg/kcl.mod
new file mode 100644
index 00000000..32c28baa
--- /dev/null
+++ b/pkg/package/test_data/test_rename_pkg/kcl.mod
@@ -0,0 +1,7 @@
+[package]
+name = "rename"
+edition = "v0.10.0"
+version = "0.0.1"
+
+[dependencies]
+newpkg = { oci = "oci://ghcr.io/kcl-lang/helloworld", tag = "0.1.4", package = "subhelloworld", version = "0.0.1" }
diff --git a/pkg/package/toml.go b/pkg/package/toml.go
index f58bcf89..687c9733 100644
--- a/pkg/package/toml.go
+++ b/pkg/package/toml.go
@@ -89,12 +89,14 @@ const DEP_PATTERN = "%s = %s"
 func (dep *Dependency) MarshalTOML() string {
 	var sb strings.Builder
 
-	if dep.Source.ModSpec != nil && dep.Source.ModSpec.Version != "" && dep.Source.ModSpec.Name != "" {
-		sb.WriteString(dep.Source.MarshalTOML())
-	} else {
-		sb.WriteString(fmt.Sprintf(DEP_PATTERN, dep.Name, dep.Source.MarshalTOML()))
+	depName := dep.Name
+	if !dep.Source.ModSpec.IsNil() {
+		if dep.Source.ModSpec.Alias != "" {
+			depName = dep.Source.ModSpec.Alias
+		}
 	}
 
+	sb.WriteString(fmt.Sprintf(DEP_PATTERN, depName, dep.Source.MarshalTOML()))
 	return sb.String()
 }
 
@@ -231,6 +233,11 @@ func (deps *Dependencies) UnmarshalModTOML(data interface{}) error {
 		if err != nil {
 			return err
 		}
+		if !dep.Source.ModSpec.IsNil() {
+			if dep.Source.ModSpec.Name != dep.Name {
+				dep.Source.ModSpec.Alias = dep.Name
+			}
+		}
 		deps.Deps.Set(k, dep)
 	}
 
diff --git a/pkg/package/toml_test.go b/pkg/package/toml_test.go
index 545b4300..cfbd9034 100644
--- a/pkg/package/toml_test.go
+++ b/pkg/package/toml_test.go
@@ -361,3 +361,21 @@ func TestInitEmptyPkg(t *testing.T) {
 	fmt.Printf("modfile: '%q'\n", got_data)
 	assert.Equal(t, expected_toml, got_data)
 }
+
+func TestUnMarshalRename(t *testing.T) {
+	modfile := ModFile{}
+	modfile.LoadModFile(filepath.Join(getTestDir("test_rename_pkg"), "kcl.mod"))
+	assert.Equal(t, modfile.Pkg.Name, "rename")
+	assert.Equal(t, modfile.Pkg.Version, "0.0.1")
+	assert.Equal(t, modfile.Pkg.Edition, "v0.10.0")
+	assert.Equal(t, modfile.Dependencies.Deps.Len(), 1)
+	assert.Equal(t, modfile.Dependencies.Deps.GetOrDefault("newpkg", TestPkgDependency).Name, "newpkg")
+	assert.Equal(t, modfile.Dependencies.Deps.GetOrDefault("newpkg", TestPkgDependency).FullName, "newpkg_0.0.1")
+	assert.Equal(t, modfile.Dependencies.Deps.GetOrDefault("newpkg", TestPkgDependency).Version, "0.0.1")
+	assert.Equal(t, modfile.Dependencies.Deps.GetOrDefault("newpkg", TestPkgDependency).Source.ModSpec.Name, "subhelloworld")
+	assert.Equal(t, modfile.Dependencies.Deps.GetOrDefault("newpkg", TestPkgDependency).Source.ModSpec.Version, "0.0.1")
+	assert.Equal(t, modfile.Dependencies.Deps.GetOrDefault("newpkg", TestPkgDependency).Source.ModSpec.Alias, "newpkg")
+	assert.Equal(t, modfile.Dependencies.Deps.GetOrDefault("newpkg", TestPkgDependency).Oci.Reg, "ghcr.io")
+	assert.Equal(t, modfile.Dependencies.Deps.GetOrDefault("newpkg", TestPkgDependency).Oci.Repo, "kcl-lang/helloworld")
+	assert.Equal(t, modfile.Dependencies.Deps.GetOrDefault("newpkg", TestPkgDependency).Oci.Tag, "0.1.4")
+}