diff --git a/go.mod b/go.mod
index d6f641e..2dbc986 100644
--- a/go.mod
+++ b/go.mod
@@ -11,7 +11,10 @@ require (
 	gorm.io/gorm v1.25.10
 )
 
-require github.com/swaggo/swag v1.16.3
+require (
+	github.com/stretchr/testify v1.9.0
+	github.com/swaggo/swag v1.16.3
+)
 
 require (
 	github.com/ClickHouse/ch-go v0.61.5 // indirect
@@ -20,6 +23,7 @@ require (
 	github.com/casbin/govaluate v1.1.0 // indirect
 	github.com/cloudwego/base64x v0.1.4 // indirect
 	github.com/cloudwego/iasm v0.2.0 // indirect
+	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
 	github.com/glebarez/go-sqlite v1.20.3 // indirect
 	github.com/glebarez/sqlite v1.7.0 // indirect
 	github.com/go-faster/city v1.0.1 // indirect
@@ -31,6 +35,7 @@ require (
 	github.com/paulmach/orb v0.11.1 // indirect
 	github.com/pierrec/lz4/v4 v4.1.21 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
+	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
 	github.com/remyoudompheng/bigfft v0.0.0-20230126093431-47fa9a501578 // indirect
 	github.com/sagikazarmark/locafero v0.4.0 // indirect
 	github.com/sagikazarmark/slog-shim v0.1.0 // indirect
diff --git a/services/judge/judge_test.go b/services/judge/judge_test.go
new file mode 100644
index 0000000..7c38d85
--- /dev/null
+++ b/services/judge/judge_test.go
@@ -0,0 +1,68 @@
+package judge_service
+
+import (
+	"net/http/httptest"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/gin-gonic/gin"
+	"github.com/oj-lab/oj-lab-platform/models"
+	judge_model "github.com/oj-lab/oj-lab-platform/models/judge"
+	problem_model "github.com/oj-lab/oj-lab-platform/models/problem"
+	gorm_agent "github.com/oj-lab/oj-lab-platform/modules/agent/gorm"
+)
+
+func TestGetJudge(t *testing.T) {
+	db := gorm_agent.GetDefaultDB()
+	problem := &problem_model.Problem{
+		Slug: "test-judge-service",
+	}
+	var err error
+	err = problem_model.CreateProblem(db, *problem)
+	if err != nil {
+		t.Error(err)
+	}
+	judge := &judge_model.Judge{
+		Language:    judge_model.ProgrammingLanguageCpp,
+		ProblemSlug: problem.Slug,
+	}
+	judge, err = judge_model.CreateJudge(db, *judge)
+	if err != nil {
+		t.Error(err)
+	}
+
+	ctx, _ := gin.CreateTestContext(httptest.NewRecorder())
+	response_judge, err := GetJudge(ctx, judge.UID)
+	if err != nil {
+		t.Error(err)
+	}
+	asserts := assert.New(t)
+	asserts.Equal(judge.ProblemSlug, response_judge.ProblemSlug)
+	asserts.Equal(judge.Language, response_judge.Language)
+}
+
+func TestCreateJudge(t *testing.T) {
+	ctx, _ := gin.CreateTestContext(httptest.NewRecorder())
+	judge := &judge_model.Judge{
+		Language:    judge_model.ProgrammingLanguageCpp,
+		ProblemSlug: "test-judge-service",
+	}
+	_, err := CreateJudge(ctx, *judge)
+	if err != nil {
+		t.Error(err)
+	}
+
+	db := gorm_agent.GetDefaultDB()
+	judges, _, err := judge_model.GetJudgeListByOptions(db, judge_model.GetJudgeOptions{OrderByColumns: []models.OrderByColumnOption{{Column: "create_at", Desc: true}}})
+	if err != nil || len(judges) == 0 {
+		t.Error(err)
+	}
+	insert_judge, err := judge_model.GetJudge(db, judges[0].UID)
+	if err != nil {
+		t.Error(err)
+	}
+	asserts := assert.New(t)
+	asserts.Equal(judge.ProblemSlug, insert_judge.ProblemSlug)
+	asserts.Equal(judge.Language, insert_judge.Language)
+}