diff --git a/go.mod b/go.mod
index 1d925d27..88c4ce8f 100644
--- a/go.mod
+++ b/go.mod
@@ -4,6 +4,7 @@ go 1.21
 
 require (
 	entgo.io/ent v0.12.5
+	github.com/BurntSushi/toml v0.3.1
 	github.com/PuerkitoBio/goquery v1.8.1
 	github.com/ThreeDotsLabs/watermill v1.3.4
 	github.com/ThreeDotsLabs/watermill-sql/v2 v2.0.0
diff --git a/go.sum b/go.sum
index b8d9371f..d899a047 100644
--- a/go.sum
+++ b/go.sum
@@ -46,6 +46,7 @@ entgo.io/ent v0.12.5 h1:KREM5E4CSoej4zeGa88Ou/gfturAnpUv0mzAjch1sj4=
 entgo.io/ent v0.12.5/go.mod h1:Y3JVAjtlIk8xVZYSn3t3mf8xlZIn5SAOXZQxD6kKI+Q=
 github.com/AndreasBriese/bbloom v0.0.0-20190306092124-e2d15f34fcf9/go.mod h1:bOvUY6CB00SOBii9/FifXqc0awNKxLFCL/+pkDPuyl8=
 github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78/go.mod h1:LmzpDX56iTiv29bbRTIsUNlaFfuhWRQBWjQdVyAevI8=
+github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
 github.com/DATA-DOG/go-sqlmock v1.5.0 h1:Shsta01QNfFxHCfpW6YH2STWB0MudeXXEWMr20OEh60=
diff --git a/internal/lib/libcodec/codec.go b/internal/lib/libcodec/codec.go
index 2bf56121..597b861e 100644
--- a/internal/lib/libcodec/codec.go
+++ b/internal/lib/libcodec/codec.go
@@ -12,12 +12,15 @@ type ContentType string
 
 const (
 	JSON ContentType = "json"
+	TOML ContentType = "toml"
 )
 
 func checkContentType(contentType ContentType) (string, error) {
 	switch contentType {
 	case JSON:
 		return string(JSON), nil
+	case TOML:
+		return string(TOML), nil
 	default:
 		return "", errors.New("unsupported content type")
 	}
diff --git a/internal/lib/libcodec/toml.go b/internal/lib/libcodec/toml.go
new file mode 100644
index 00000000..bf36c8a7
--- /dev/null
+++ b/internal/lib/libcodec/toml.go
@@ -0,0 +1,37 @@
+// https://github.com/go-kratos/kratos/pull/2811
+
+package libcodec
+
+import (
+	"bytes"
+
+	"github.com/BurntSushi/toml"
+	"github.com/go-kratos/kratos/v2/encoding"
+)
+
+func init() { //nolint: gochecknoinits // required by the encoding package
+	encoding.RegisterCodec(tomlCodec{})
+}
+
+// tomlCodec is a Codec implementation with toml.
+type tomlCodec struct{}
+
+func (c tomlCodec) Marshal(v interface{}) ([]byte, error) {
+	buf := &bytes.Buffer{}
+	encoder := toml.NewEncoder(buf)
+
+	if err := encoder.Encode(v); err != nil {
+		return nil, err
+	}
+
+	data := buf.Bytes()
+	return data, nil
+}
+
+func (c tomlCodec) Unmarshal(data []byte, v interface{}) error {
+	return toml.Unmarshal(data, v)
+}
+
+func (c tomlCodec) Name() string {
+	return string(TOML)
+}
diff --git a/internal/lib/libcodec/toml_test.go b/internal/lib/libcodec/toml_test.go
new file mode 100644
index 00000000..894c207e
--- /dev/null
+++ b/internal/lib/libcodec/toml_test.go
@@ -0,0 +1,95 @@
+// https://github.com/go-kratos/kratos/pull/2811
+
+package libcodec_test
+
+import (
+	"reflect"
+	"testing"
+	"time"
+
+	"github.com/tuihub/librarian/internal/lib/libcodec"
+)
+
+func TestCodec_Unmarshal(t *testing.T) {
+	type User struct {
+		Name  string `toml:"name"`
+		Email string `toml:"email"`
+	}
+	tests := []struct {
+		data  string
+		value interface{}
+	}{
+		{
+			data:  "v = \"John Doe\"",
+			value: map[string]interface{}{"v": "John Doe"},
+		},
+		{
+			data:  "v = 100",
+			value: map[string]interface{}{"v": 100},
+		},
+		{
+			data:  "v = 100_100",
+			value: map[string]interface{}{"v": 100100},
+		},
+		{
+			data:  "v = 1.1",
+			value: map[string]interface{}{"v": 1.1},
+		},
+		{
+			data:  "v = true",
+			value: map[string]interface{}{"v": true},
+		},
+		{
+			data:  "v = [\"apple\", \"banana\", \"cherry\"]",
+			value: map[string]interface{}{"": []string{"apple", "banana", "cherry"}},
+		},
+		{
+			data:  "v = 1.618e+01",
+			value: map[string]interface{}{"v": 16.18},
+		},
+		{
+			data:  "v = 0xDEADBEEF",
+			value: map[string]interface{}{"v": 3735928559},
+		},
+		{
+			data:  "v = 0b1101_0101",
+			value: map[string]interface{}{"v": 213},
+		},
+		{
+			data:  "v = 0o755",
+			value: map[string]interface{}{"v": 493},
+		},
+		{
+			data:  "v = 2022-04-16T12:13:14Z",
+			value: map[string]interface{}{"v": time.Date(2022, time.April, 16, 12, 13, 14, 0, time.UTC)},
+		},
+		{
+			data: "v = { name = \"John\", email = \"john.doe@example.com\"}",
+			value: map[string]interface{}{"v": User{
+				Name:  "John",
+				Email: "john.doe@example.com",
+			}},
+		},
+	}
+
+	for _, tt := range tests {
+		v := reflect.ValueOf(tt.value).Type()
+		value := reflect.New(v)
+		err := libcodec.Unmarshal(libcodec.TOML, []byte(tt.data), value.Interface())
+		if err != nil {
+			t.Fatalf("(codec{}).Unmarshal should not return err: %v", err)
+		}
+	}
+}
+
+func TestCodec_Marshal(t *testing.T) {
+	value := map[string]string{"v": "hi"}
+	got, err := libcodec.Marshal(libcodec.TOML, value)
+	if err != nil {
+		t.Fatalf("should not return err")
+	}
+	// t.Logf("got: %v", string(got))
+	if string(got) != "v = \"hi\"\n" {
+		t.Fatalf("want v = \"hi\", return %s", string(got))
+	}
+}