diff --git a/internal/repo/repo_test/tag_rel_repo_test.go b/internal/repo/repo_test/tag_rel_repo_test.go
index 4df8138a..3cb1ffeb 100644
--- a/internal/repo/repo_test/tag_rel_repo_test.go
+++ b/internal/repo/repo_test/tag_rel_repo_test.go
@@ -1,32 +1,91 @@
 package repo_test
 
 import (
+	"context"
+	"sync"
 	"testing"
+
+	"github.com/answerdev/answer/internal/entity"
+	"github.com/answerdev/answer/internal/repo/tag"
+	"github.com/stretchr/testify/assert"
 )
 
-func Test_tagListRepo_AddTagRelList(t *testing.T) {
+var (
+	tagRelOnce     sync.Once
+	testTagRelList = []*entity.TagRel{
+		{
+			ObjectID: "1",
+			TagID:    "1",
+			Status:   entity.TagRelStatusAvailable,
+		},
+		{
+			ObjectID: "2",
+			TagID:    "2",
+			Status:   entity.TagRelStatusAvailable,
+		},
+	}
+)
+
+func addTagRelList() {
+	tagRelRepo := tag.NewTagRelRepo(testDataSource)
+	err := tagRelRepo.AddTagRelList(context.TODO(), testTagRelList)
+	if err != nil {
+		panic(err)
+	}
 }
 
 func Test_tagListRepo_BatchGetObjectTagRelList(t *testing.T) {
-
+	tagRelOnce.Do(addTagRelList)
+	tagRelRepo := tag.NewTagRelRepo(testDataSource)
+	relList, err :=
+		tagRelRepo.BatchGetObjectTagRelList(context.TODO(), []string{testTagRelList[0].ObjectID, testTagRelList[1].ObjectID})
+	assert.NoError(t, err)
+	assert.Equal(t, 2, len(relList))
 }
 
 func Test_tagListRepo_CountTagRelByTagID(t *testing.T) {
-
-}
-
-func Test_tagListRepo_EnableTagRelByIDs(t *testing.T) {
-
+	tagRelOnce.Do(addTagRelList)
+	tagRelRepo := tag.NewTagRelRepo(testDataSource)
+	count, err := tagRelRepo.CountTagRelByTagID(context.TODO(), "1")
+	assert.NoError(t, err)
+	assert.Equal(t, int64(1), count)
 }
 
 func Test_tagListRepo_GetObjectTagRelList(t *testing.T) {
+	tagRelOnce.Do(addTagRelList)
+	tagRelRepo := tag.NewTagRelRepo(testDataSource)
 
+	relList, err :=
+		tagRelRepo.GetObjectTagRelList(context.TODO(), testTagRelList[0].ObjectID)
+	assert.NoError(t, err)
+	assert.Equal(t, 1, len(relList))
 }
 
 func Test_tagListRepo_GetObjectTagRelWithoutStatus(t *testing.T) {
+	tagRelOnce.Do(addTagRelList)
+	tagRelRepo := tag.NewTagRelRepo(testDataSource)
 
-}
-
-func Test_tagListRepo_RemoveTagRelListByIDs(t *testing.T) {
-
+	relList, err :=
+		tagRelRepo.BatchGetObjectTagRelList(context.TODO(), []string{testTagRelList[0].ObjectID, testTagRelList[1].ObjectID})
+	assert.NoError(t, err)
+	assert.Equal(t, 2, len(relList))
+
+	ids := []int64{relList[0].ID, relList[1].ID}
+	err = tagRelRepo.RemoveTagRelListByIDs(context.TODO(), ids)
+	assert.NoError(t, err)
+
+	count, err := tagRelRepo.CountTagRelByTagID(context.TODO(), "1")
+	assert.NoError(t, err)
+	assert.Equal(t, int64(0), count)
+
+	_, exist, err := tagRelRepo.GetObjectTagRelWithoutStatus(context.TODO(), relList[0].ObjectID, relList[0].TagID)
+	assert.NoError(t, err)
+	assert.True(t, exist)
+
+	err = tagRelRepo.EnableTagRelByIDs(context.TODO(), ids)
+	assert.NoError(t, err)
+
+	count, err = tagRelRepo.CountTagRelByTagID(context.TODO(), "1")
+	assert.NoError(t, err)
+	assert.Equal(t, int64(1), count)
 }