diff --git a/internal/app/controller/device/device_controller_test.go b/internal/app/controller/device/device_controller_test.go
index 5999df4..e943533 100644
--- a/internal/app/controller/device/device_controller_test.go
+++ b/internal/app/controller/device/device_controller_test.go
@@ -17,8 +17,6 @@ import (
 	"github.com/gin-gonic/gin"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/mock"
-	"go.uber.org/zap"
-	"go.uber.org/zap/zapcore"
 	"gorm.io/datatypes"
 	"gorm.io/gorm"
 )
@@ -82,17 +80,6 @@ func (m *MockDeviceRepository) Delete(id uint) error {
 	return args.Error(0)
 }
 
-// getSilentLogger 创建一个不输出日志的 logs.Logger 实例，用于测试
-func getSilentLogger() *logs.Logger {
-	discardSyncer := zapcore.AddSync(io.Discard)
-	encoderConfig := zap.NewProductionEncoderConfig()
-	encoder := zapcore.NewConsoleEncoder(encoderConfig)
-	core := zapcore.NewCore(encoder, discardSyncer, zap.DebugLevel)
-	zapLogger := zap.New(core)
-	sugaredLogger := zapLogger.Sugar()
-	return &logs.Logger{SugaredLogger: sugaredLogger}
-}
-
 // testCase 结构体定义了所有测试用例的通用参数
 type testCase struct {
 	name             string
@@ -309,7 +296,7 @@ func TestCreateDevice(t *testing.T) {
 	for _, tc := range tests {
 		t.Run(tc.name, func(t *testing.T) {
 			runTest(t, tc, func(ctx *gin.Context, repo *MockDeviceRepository) {
-				device.NewController(repo, getSilentLogger()).CreateDevice(ctx)
+				device.NewController(repo, logs.NewSilentLogger()).CreateDevice(ctx)
 			})
 		})
 	}
@@ -394,7 +381,7 @@ func TestGetDevice(t *testing.T) {
 	for _, tc := range tests {
 		t.Run(tc.name, func(t *testing.T) {
 			runTest(t, tc, func(ctx *gin.Context, repo *MockDeviceRepository) {
-				device.NewController(repo, getSilentLogger()).GetDevice(ctx)
+				device.NewController(repo, logs.NewSilentLogger()).GetDevice(ctx)
 			})
 		})
 	}
@@ -492,7 +479,7 @@ func TestListDevices(t *testing.T) {
 	for _, tc := range tests {
 		t.Run(tc.name, func(t *testing.T) {
 			runTest(t, tc, func(ctx *gin.Context, repo *MockDeviceRepository) {
-				device.NewController(repo, getSilentLogger()).ListDevices(ctx)
+				device.NewController(repo, logs.NewSilentLogger()).ListDevices(ctx)
 			})
 		})
 	}
@@ -681,7 +668,7 @@ func TestUpdateDevice(t *testing.T) {
 	for _, tc := range tests {
 		t.Run(tc.name, func(t *testing.T) {
 			runTest(t, tc, func(ctx *gin.Context, repo *MockDeviceRepository) {
-				device.NewController(repo, getSilentLogger()).UpdateDevice(ctx)
+				device.NewController(repo, logs.NewSilentLogger()).UpdateDevice(ctx)
 			})
 		})
 	}
@@ -747,7 +734,7 @@ func TestDeleteDevice(t *testing.T) {
 	for _, tc := range tests {
 		t.Run(tc.name, func(t *testing.T) {
 			runTest(t, tc, func(ctx *gin.Context, repo *MockDeviceRepository) {
-				device.NewController(repo, getSilentLogger()).DeleteDevice(ctx)
+				device.NewController(repo, logs.NewSilentLogger()).DeleteDevice(ctx)
 			})
 		})
 	}
diff --git a/internal/app/controller/user/user_controller_test.go b/internal/app/controller/user/user_controller_test.go
index ccf6db6..2cd004c 100644
--- a/internal/app/controller/user/user_controller_test.go
+++ b/internal/app/controller/user/user_controller_test.go
@@ -17,8 +17,6 @@ import (
 	"github.com/gin-gonic/gin"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/mock"
-	"go.uber.org/zap"
-	"go.uber.org/zap/zapcore"
 	"gorm.io/gorm"
 )
 
@@ -77,13 +75,7 @@ func TestCreateUser(t *testing.T) {
 	gin.SetMode(gin.TestMode) // 设置 Gin 为测试模式
 
 	// 创建一个不输出日志的真实 logs.Logger 实例
-	discardSyncer := zapcore.AddSync(io.Discard)
-	encoderConfig := zap.NewProductionEncoderConfig()
-	encoder := zapcore.NewConsoleEncoder(encoderConfig)
-	core := zapcore.NewCore(encoder, discardSyncer, zap.DebugLevel) // 设置为 DebugLevel 以确保所有日志都被处理（并丢弃）
-	zapLogger := zap.New(core)
-	sugaredLogger := zapLogger.Sugar()
-	silentLogger := &logs.Logger{SugaredLogger: sugaredLogger}
+	silentLogger := logs.NewSilentLogger()
 
 	tests := []struct {
 		name             string
@@ -248,13 +240,7 @@ func TestLogin(t *testing.T) {
 	gin.SetMode(gin.ReleaseMode)
 
 	// 创建一个不输出日志的真实 logs.Logger 实例
-	discardSyncer := zapcore.AddSync(io.Discard)
-	encoderConfig := zap.NewProductionEncoderConfig()
-	encoder := zapcore.NewConsoleEncoder(encoderConfig)
-	core := zapcore.NewCore(encoder, discardSyncer, zap.DebugLevel) // 设置为 DebugLevel 以确保所有日志都被处理（并丢弃）
-	zapLogger := zap.New(core)
-	sugaredLogger := zapLogger.Sugar()
-	silentLogger := &logs.Logger{SugaredLogger: sugaredLogger}
+	silentLogger := logs.NewSilentLogger()
 
 	tests := []struct {
 		name                  string
diff --git a/internal/infra/logs/logs.go b/internal/infra/logs/logs.go
index 63f4799..422e2dc 100644
--- a/internal/infra/logs/logs.go
+++ b/internal/infra/logs/logs.go
@@ -6,6 +6,7 @@ package logs
 import (
 	"context"
 	"fmt"
+	"io"
 	"os"
 	"strings"
 	"time"
@@ -163,3 +164,15 @@ func (g *GormLogger) Trace(ctx context.Context, begin time.Time, fc func() (sql
 	g.ZapLogger.With(fields...).Debugf("[GORM] trace")
 	// --- 逻辑修复结束 ---
 }
+
+// NewSilentLogger 创建一个不输出任何日志的 Logger 实例, 用于测试中屏蔽日志
+func NewSilentLogger() *Logger {
+	// 创建一个不输出日志的真实 logs.Logger 实例
+	discardSyncer := zapcore.AddSync(io.Discard)
+	encoderConfig := zap.NewProductionEncoderConfig()
+	encoder := zapcore.NewConsoleEncoder(encoderConfig)
+	core := zapcore.NewCore(encoder, discardSyncer, zap.DebugLevel) // 设置为 DebugLevel 以确保所有日志都被处理（并丢弃）
+	zapLogger := zap.New(core)
+	sugaredLogger := zapLogger.Sugar()
+	return &Logger{SugaredLogger: sugaredLogger}
+}