refactor(test): 统一测试文件错误处理风格

使用空白标识符忽略测试辅助函数中 Close、ReadFrom、Set 等返回值，
与主代码风格保持一致。

Co-Authored-By: Claude <noreply@anthropic.com>

internal/app/app_test.go

@@ -25,13 +25,13 @@ func captureStdout(t *testing.T) (func() string, func()) {
 	os.Stdout = w
 
 	return func() string {
-			w.Close()
+			_ = w.Close()
 			os.Stdout = old
 			var buf bytes.Buffer
-			buf.ReadFrom(r)
+			_, _ = buf.ReadFrom(r)
 			return buf.String()
 		}, func() {
-			w.Close()
+			_ = w.Close()
 			os.Stdout = old
 		}
 }
@@ -47,13 +47,13 @@ func captureStderr(t *testing.T) (func() string, func()) {
 	os.Stderr = w
 
 	return func() string {
-			w.Close()
+			_ = w.Close()
 			os.Stderr = old
 			var buf bytes.Buffer
-			buf.ReadFrom(r)
+			_, _ = buf.ReadFrom(r)
 			return buf.String()
 		}, func() {
-			w.Close()
+			_ = w.Close()
 			os.Stderr = old
 		}
 }

internal/cache/cache_test.go

@@ -35,7 +35,7 @@ func TestFileCacheSetGet(t *testing.T) {
 func TestFileCacheDelete(t *testing.T) {
 	fc := NewFileCache(10, 1024, 1*time.Hour)
 
-	fc.Set("/test.txt", []byte("data"), 4, time.Now())
+	_ = fc.Set("/test.txt", []byte("data"), 4, time.Now())
 
 	fc.Delete("/test.txt")
 
@@ -49,12 +49,12 @@ func TestFileCacheLRUEviction(t *testing.T) {
 	// 最大 3 个条目
 	fc := NewFileCache(3, 0, 1*time.Hour)
 
-	fc.Set("/a", []byte("a"), 1, time.Now())
+	_ = fc.Set("/a", []byte("a"), 1, time.Now())
-	fc.Set("/b", []byte("b"), 1, time.Now())
+	_ = fc.Set("/b", []byte("b"), 1, time.Now())
-	fc.Set("/c", []byte("c"), 1, time.Now())
+	_ = fc.Set("/c", []byte("c"), 1, time.Now())
 
 	// 再添加一个，应该淘汰 /a
-	fc.Set("/d", []byte("d"), 1, time.Now())
+	_ = fc.Set("/d", []byte("d"), 1, time.Now())
 
 	_, ok := fc.Get("/a")
 	if ok {
@@ -74,11 +74,11 @@ func TestFileCacheSizeEviction(t *testing.T) {
 	// 最大 10 字节
 	fc := NewFileCache(0, 10, 1*time.Hour)
 
-	fc.Set("/a", []byte("12345"), 5, time.Now())
+	_ = fc.Set("/a", []byte("12345"), 5, time.Now())
-	fc.Set("/b", []byte("12345"), 5, time.Now())
+	_ = fc.Set("/b", []byte("12345"), 5, time.Now())
 
 	// 再添加 6 字节，应该淘汰一个
-	fc.Set("/c", []byte("123456"), 6, time.Now())
+	_ = fc.Set("/c", []byte("123456"), 6, time.Now())
 
 	stats := fc.Stats()
 	if stats.Size > 10 {
@@ -89,7 +89,7 @@ func TestFileCacheSizeEviction(t *testing.T) {
 func TestFileCacheInactiveEviction(t *testing.T) {
 	fc := NewFileCache(10, 1024, 100*time.Millisecond)
 
-	fc.Set("/test", []byte("data"), 4, time.Now())
+	_ = fc.Set("/test", []byte("data"), 4, time.Now())
 
 	// 立即获取应该成功
 	_, ok := fc.Get("/test")
@@ -110,8 +110,8 @@ func TestFileCacheInactiveEviction(t *testing.T) {
 func TestFileCacheClear(t *testing.T) {
 	fc := NewFileCache(10, 1024, 1*time.Hour)
 
-	fc.Set("/a", []byte("a"), 1, time.Now())
+	_ = fc.Set("/a", []byte("a"), 1, time.Now())
-	fc.Set("/b", []byte("b"), 1, time.Now())
+	_ = fc.Set("/b", []byte("b"), 1, time.Now())
 
 	fc.Clear()
 
@@ -124,8 +124,8 @@ func TestFileCacheClear(t *testing.T) {
 func TestFileCacheStats(t *testing.T) {
 	fc := NewFileCache(100, 1024, 1*time.Hour)
 
-	fc.Set("/a", []byte("12345"), 5, time.Now())
+	_ = fc.Set("/a", []byte("12345"), 5, time.Now())
-	fc.Set("/b", []byte("12345"), 5, time.Now())
+	_ = fc.Set("/b", []byte("12345"), 5, time.Now())
 
 	stats := fc.Stats()
 	if stats.Entries != 2 {

internal/handler/router_test.go

@@ -14,7 +14,7 @@ func TestRouterGET(t *testing.T) {
 	var called bool
 	handler := func(ctx *fasthttp.RequestCtx) {
 		called = true
-		ctx.WriteString("GET response")
+		_, _ = ctx.WriteString("GET response")
 	}
 
 	r.GET("/test", handler)
@@ -41,7 +41,7 @@ func TestRouterPOST(t *testing.T) {
 	var called bool
 	handler := func(ctx *fasthttp.RequestCtx) {
 		called = true
-		ctx.WriteString("POST response")
+		_, _ = ctx.WriteString("POST response")
 	}
 
 	r.POST("/submit", handler)
@@ -69,12 +69,12 @@ func TestRouterMultipleMethods(t *testing.T) {
 
 	r.GET("/api", func(ctx *fasthttp.RequestCtx) {
 		getCalled = true
-		ctx.WriteString("GET api")
+		_, _ = ctx.WriteString("GET api")
 	})
 
 	r.POST("/api", func(ctx *fasthttp.RequestCtx) {
 		postCalled = true
-		ctx.WriteString("POST api")
+		_, _ = ctx.WriteString("POST api")
 	})
 
 	// 测试 GET 请求
@@ -131,7 +131,7 @@ func TestRouterMultipleRoutes(t *testing.T) {
 
 	for path, response := range routes {
 		r.GET(path, func(ctx *fasthttp.RequestCtx) {
-			ctx.WriteString(response)
+			_, _ = ctx.WriteString(response)
 		})
 	}
 
@@ -155,7 +155,7 @@ func TestRouterPUT(t *testing.T) {
 	var called bool
 	r.PUT("/update", func(ctx *fasthttp.RequestCtx) {
 		called = true
-		ctx.WriteString("PUT response")
+		_, _ = ctx.WriteString("PUT response")
 	})
 
 	var ctx fasthttp.RequestCtx
@@ -176,7 +176,7 @@ func TestRouterDELETE(t *testing.T) {
 	var called bool
 	r.DELETE("/remove", func(ctx *fasthttp.RequestCtx) {
 		called = true
-		ctx.WriteString("DELETE response")
+		_, _ = ctx.WriteString("DELETE response")
 	})
 
 	var ctx fasthttp.RequestCtx
@@ -216,7 +216,7 @@ func TestRouterNotFound(t *testing.T) {
 	r := NewRouter()
 
 	r.GET("/exists", func(ctx *fasthttp.RequestCtx) {
-		ctx.WriteString("found")
+		_, _ = ctx.WriteString("found")
 	})
 
 	var ctx fasthttp.RequestCtx

internal/handler/sendfile_test.go

@@ -83,7 +83,7 @@ func TestPlatformSendfile(t *testing.T) {
 	if err != nil {
 		t.Fatalf("Failed to open file: %v", err)
 	}
-	defer file.Close()
+	defer func() { _ = file.Close() }()
 
 	// 测试平台 sendfile（小文件会 fallback 到 copyFile）
 	// 由于没有真实的网络连接，这个测试主要验证不会崩溃
@@ -122,7 +122,7 @@ func TestCopyFile(t *testing.T) {
 	if err != nil {
 		t.Fatalf("Failed to open file: %v", err)
 	}
-	defer file.Close()
+	defer func() { _ = file.Close() }()
 
 	tests := []struct {
 		name    string
@@ -164,7 +164,7 @@ func TestCopyFile(t *testing.T) {
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
 			// 重置文件位置
-			file.Seek(0, io.SeekStart)
+			_, _ = file.Seek(0, io.SeekStart)
 
 			// 创建响应上下文
 			ctx := &fasthttp.RequestCtx{}
@@ -210,7 +210,7 @@ func TestPlatformSendfile_NonLinux(t *testing.T) {
 	if err != nil {
 		t.Fatalf("Failed to open file: %v", err)
 	}
-	defer file.Close()
+	defer func() { _ = file.Close() }()
 
 	err = platformSendfile(nil, file, 0, int64(len(content)))
 	if err != syscall.ENOTSUP {
@@ -263,7 +263,7 @@ func TestSendFile_SmallFile(t *testing.T) {
 	if err != nil {
 		t.Fatalf("Failed to open file: %v", err)
 	}
-	defer file.Close()
+	defer func() { _ = file.Close() }()
 
 	ctx := &fasthttp.RequestCtx{}
 	ctx.Init(&fasthttp.Request{}, nil, nil)
@@ -293,7 +293,7 @@ func TestSendFile_WithOffset(t *testing.T) {
 	if err != nil {
 		t.Fatalf("Failed to open file: %v", err)
 	}
-	defer file.Close()
+	defer func() { _ = file.Close() }()
 
 	ctx := &fasthttp.RequestCtx{}
 	ctx.Init(&fasthttp.Request{}, nil, nil)
@@ -323,7 +323,7 @@ func TestSendFile_ZeroLength(t *testing.T) {
 	if err != nil {
 		t.Fatalf("Failed to open file: %v", err)
 	}
-	defer file.Close()
+	defer func() { _ = file.Close() }()
 
 	ctx := &fasthttp.RequestCtx{}
 	ctx.Init(&fasthttp.Request{}, nil, nil)
@@ -358,6 +358,7 @@ func TestSendFile_NilFile(t *testing.T) {
 	defer func() {
 		if r := recover(); r == nil {
 			// 没有 panic，检查是否有错误返回
+			t.Log("expected panic did not occur for nil file")
 		}
 	}()
 
@@ -378,7 +379,7 @@ func TestCopyFile_Error(t *testing.T) {
 	if err != nil {
 		t.Fatalf("Failed to open file: %v", err)
 	}
-	defer file.Close()
+	defer func() { _ = file.Close() }()
 
 	ctx := &fasthttp.RequestCtx{}
 	ctx.Init(&fasthttp.Request{}, nil, nil)
@@ -399,13 +400,13 @@ func TestLinuxSendfile_NilConn(t *testing.T) {
 	tmpDir := t.TempDir()
 	tmpFile := filepath.Join(tmpDir, "test.txt")
 	content := []byte("test")
-	os.WriteFile(tmpFile, content, 0644)
+	_ = os.WriteFile(tmpFile, content, 0644)
 
 	file, err := os.Open(tmpFile)
 	if err != nil {
 		t.Fatalf("Failed to open file: %v", err)
 	}
-	defer file.Close()
+	defer func() { _ = file.Close() }()
 
 	err = linuxSendfile(nil, file.Fd(), 0, int64(len(content)))
 	if err == nil {

internal/http3/adapter_test.go

@@ -305,7 +305,7 @@ func TestFastHTTPHandler(t *testing.T) {
 	stdHandler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		w.Header().Set("Content-Type", "text/plain")
 		w.WriteHeader(200)
-		w.Write([]byte("Hello from std http"))
+		_, _ = w.Write([]byte("Hello from std http"))
 	})
 
 	ctx := &fasthttp.RequestCtx{}

internal/logging/logging_test.go

@@ -106,7 +106,7 @@ func TestLoggerWithFile(t *testing.T) {
 
 	logger.LogAccess(ctx, 200, 10, 100*time.Millisecond)
 	logger.Error().Str("test", "value").Msg("test error")
-	logger.Close()
+	_ = logger.Close()
 
 	if _, err := os.Stat(accessPath); os.IsNotExist(err) {
 		t.Error("Expected access log file to be created")
@@ -143,11 +143,11 @@ func TestLoggerNginxFormat(t *testing.T) {
 
 	logger.LogAccess(ctx, 201, 512, 250*time.Millisecond)
 
-	w.Close()
+	_ = w.Close()
 	os.Stdout = old
 
 	var buf bytes.Buffer
-	io.Copy(&buf, r)
+	_, _ = io.Copy(&buf, r)
 
 	output := buf.String()
 	expectedFields := []string{"request", "status", "body_bytes_sent", "request_time", "remote_addr"}
@@ -169,11 +169,11 @@ func TestLoggerDebug(t *testing.T) {
 	logger.Debug().Msg("debug message")
 	logger.Info().Msg("info message")
 
-	w.Close()
+	_ = w.Close()
 	os.Stdout = old
 
 	var buf bytes.Buffer
-	io.Copy(&buf, r)
+	_, _ = io.Copy(&buf, r)
 
 	output := buf.String()
 	if !strings.Contains(output, "debug message") {

internal/middleware/accesslog/accesslog_test.go

@@ -46,7 +46,7 @@ func TestAccessLog_Process(t *testing.T) {
 	}
 
 	// 清理
-	al.Close()
+	_ = al.Close()
 }
 
 func TestAccessLog_ProcessWithDuration(t *testing.T) {
@@ -75,5 +75,5 @@ func TestAccessLog_ProcessWithDuration(t *testing.T) {
 		t.Errorf("expected duration >= 10ms, got %v", elapsed)
 	}
 
-	al.Close()
+	_ = al.Close()
 }

internal/middleware/compression/compression_test.go

@@ -154,7 +154,7 @@ func TestProcessNoCompression(t *testing.T) {
 
 	nextHandler := func(ctx *fasthttp.RequestCtx) {
 		ctx.Response.Header.Set("Content-Type", "text/html")
-		ctx.WriteString("Short response")
+		_, _ = ctx.WriteString("Short response")
 	}
 
 	handler := m.Process(nextHandler)
@@ -189,7 +189,7 @@ func TestProcessWithGzip(t *testing.T) {
 
 	nextHandler := func(ctx *fasthttp.RequestCtx) {
 		ctx.Response.Header.Set("Content-Type", "text/html")
-		ctx.Write(longResponse)
+		_, _ = ctx.Write(longResponse)
 	}
 
 	handler := m.Process(nextHandler)
@@ -223,7 +223,7 @@ func TestProcessWithBrotli(t *testing.T) {
 
 	nextHandler := func(ctx *fasthttp.RequestCtx) {
 		ctx.Response.Header.Set("Content-Type", "text/html")
-		ctx.Write(longResponse)
+		_, _ = ctx.Write(longResponse)
 	}
 
 	handler := m.Process(nextHandler)
@@ -247,7 +247,7 @@ func TestProcessUnsupportedEncoding(t *testing.T) {
 
 	nextHandler := func(ctx *fasthttp.RequestCtx) {
 		ctx.Response.Header.Set("Content-Type", "text/html")
-		ctx.WriteString("Test response")
+		_, _ = ctx.WriteString("Test response")
 	}
 
 	handler := m.Process(nextHandler)
@@ -275,7 +275,7 @@ func TestProcessNonCompressibleType(t *testing.T) {
 
 	nextHandler := func(ctx *fasthttp.RequestCtx) {
 		ctx.Response.Header.Set("Content-Type", "image/png")
-		ctx.Write(longResponse)
+		_, _ = ctx.Write(longResponse)
 	}
 
 	handler := m.Process(nextHandler)

internal/middleware/rewrite/rewrite_test.go

@@ -93,7 +93,7 @@ func TestRewriteMiddlewareLast(t *testing.T) {
 		if string(ctx.Path()) != "/new/test" {
 			t.Errorf("Expected path /new/test, got %s", ctx.Path())
 		}
-		ctx.WriteString("OK")
+		_, _ = ctx.WriteString("OK")
 	}
 
 	handler := m.Process(nextHandler)
@@ -152,7 +152,7 @@ func TestRewriteMiddlewarePermanent(t *testing.T) {
 	}
 
 	nextHandler := func(ctx *fasthttp.RequestCtx) {
-		ctx.WriteString("OK")
+		_, _ = ctx.WriteString("OK")
 	}
 
 	handler := m.Process(nextHandler)

internal/middleware/security/access_test.go

@@ -187,7 +187,7 @@ func TestAccessControlProcess(t *testing.T) {
 
 	// Create a simple handler
 	nextHandler := func(ctx *fasthttp.RequestCtx) {
-		ctx.WriteString("OK")
+		_, _ = ctx.WriteString("OK")
 	}
 
 	handler := ac.Process(nextHandler)

internal/middleware/security/auth_test.go

@@ -189,7 +189,7 @@ func TestBasicAuthProcess(t *testing.T) {
 	}
 
 	nextHandler := func(ctx *fasthttp.RequestCtx) {
-		ctx.WriteString("OK")
+		_, _ = ctx.WriteString("OK")
 	}
 
 	handler := auth.Process(nextHandler)
@@ -270,7 +270,7 @@ func TestBasicAuthUserCount(t *testing.T) {
 		t.Errorf("Expected UserCount 2, got %d", count)
 	}
 
-	auth.AddUser("user3", "$2b$12$hash3")
+	_ = auth.AddUser("user3", "$2b$12$hash3")
 	if count := auth.UserCount(); count != 3 {
 		t.Errorf("Expected UserCount 3, got %d", count)
 	}

internal/middleware/security/headers_test.go

@@ -57,7 +57,7 @@ func TestSecurityHeadersProcess(t *testing.T) {
 	handlerCalled := false
 	nextHandler := func(ctx *fasthttp.RequestCtx) {
 		handlerCalled = true
-		ctx.WriteString("OK")
+		_, _ = ctx.WriteString("OK")
 	}
 
 	handler := sh.Process(nextHandler)
@@ -105,7 +105,7 @@ func TestSecurityHeadersHSTS(t *testing.T) {
 	sh := NewSecurityHeaders(cfg)
 
 	nextHandler := func(ctx *fasthttp.RequestCtx) {
-		ctx.WriteString("OK")
+		_, _ = ctx.WriteString("OK")
 	}
 
 	handler := sh.Process(nextHandler)

internal/middleware/security/ratelimit_test.go

@@ -242,7 +242,7 @@ func TestRateLimiterProcess(t *testing.T) {
 	}
 
 	nextHandler := func(ctx *fasthttp.RequestCtx) {
-		ctx.WriteString("OK")
+		_, _ = ctx.WriteString("OK")
 	}
 
 	handler := mw.Process(nextHandler)

internal/proxy/proxy_test.go

@@ -189,7 +189,7 @@ func TestServeHTTP_NoHealthyTargets(t *testing.T) {
 func TestServeHTTP_RequestForwarding(t *testing.T) {
 	// 创建本地测试服务器
 	ln := fasthttputil.NewInmemoryListener()
-	defer ln.Close()
+	defer func() { _ = ln.Close() }()
 
 	// 启动后端服务器
 	go func() {
@@ -200,7 +200,7 @@ func TestServeHTTP_RequestForwarding(t *testing.T) {
 				ctx.Response.Header.Set("X-Backend-Header", "test-value")
 			},
 		}
-		s.Serve(ln)
+		_ = s.Serve(ln)
 	}()
 
 	// 等待服务器启动
@@ -980,7 +980,7 @@ func TestGetClient(t *testing.T) {
 func TestProxyCache(t *testing.T) {
 	// 创建内存监听器作为后端服务器
 	ln := fasthttputil.NewInmemoryListener()
-	defer ln.Close()
+	defer func() { _ = ln.Close() }()
 
 	requestCount := 0
 	go func() {
@@ -992,7 +992,7 @@ func TestProxyCache(t *testing.T) {
 				ctx.Response.Header.Set("X-Request-Count", string(rune(requestCount)))
 			},
 		}
-		s.Serve(ln)
+		_ = s.Serve(ln)
 	}()
 
 	// 等待服务器启动

internal/proxy/websocket_test.go

@@ -13,8 +13,8 @@ import (
 func TestNewWebSocketBridge(t *testing.T) {
 	clientConn, _ := net.Pipe()
 	targetConn, _ := net.Pipe()
-	defer clientConn.Close()
+	defer func() { _ = clientConn.Close() }()
-	defer targetConn.Close()
+	defer func() { _ = targetConn.Close() }()
 
 	bridge := NewWebSocketBridge(clientConn, targetConn)
 
@@ -155,8 +155,8 @@ func TestWebSocketBridge_Bridge(t *testing.T) {
 	// 创建管道连接
 	client1, client2 := net.Pipe()
 	target1, target2 := net.Pipe()
-	defer client2.Close()
+	defer func() { _ = client2.Close() }()
-	defer target2.Close()
+	defer func() { _ = target2.Close() }()
 
 	bridge := NewWebSocketBridge(client1, target1)
 
@@ -169,7 +169,7 @@ func TestWebSocketBridge_Bridge(t *testing.T) {
 	// 发送数据从客户端到后端
 	testData := []byte("hello from client")
 	go func() {
-		client2.Write(testData)
+		_, _ = client2.Write(testData)
 	}()
 
 	// 在后端读取数据
@@ -185,7 +185,7 @@ func TestWebSocketBridge_Bridge(t *testing.T) {
 	// 发送数据从后端到客户端
 	testData2 := []byte("hello from target")
 	go func() {
-		target2.Write(testData2)
+		_, _ = target2.Write(testData2)
 	}()
 
 	// 在客户端读取数据
@@ -199,8 +199,8 @@ func TestWebSocketBridge_Bridge(t *testing.T) {
 	}
 
 	// 关闭连接以结束桥接
-	client2.Close()
+	_ = client2.Close()
-	target2.Close()
+	_ = target2.Close()
 
 	// 等待桥接完成
 	select {
@@ -258,8 +258,8 @@ func TestCopyData(t *testing.T) {
 	// 创建管道连接
 	src1, src2 := net.Pipe()
 	dst1, dst2 := net.Pipe()
-	defer src2.Close()
+	defer func() { _ = src2.Close() }()
-	defer dst2.Close()
+	defer func() { _ = dst2.Close() }()
 
 	bridge := &WebSocketBridge{}
 
@@ -271,7 +271,7 @@ func TestCopyData(t *testing.T) {
 
 	// 发送数据
 	testData := []byte("test data")
-	src2.Write(testData)
+	_, _ = src2.Write(testData)
 
 	// 接收数据
 	buf := make([]byte, 1024)
@@ -284,8 +284,8 @@ func TestCopyData(t *testing.T) {
 	}
 
 	// 关闭连接
-	src2.Close()
+	_ = src2.Close()
-	dst2.Close()
+	_ = dst2.Close()
 
 	// 等待复制完成
 	select {

internal/server/pool_test.go

@@ -131,7 +131,7 @@ func TestPoolConcurrentSubmit(t *testing.T) {
 		wg.Add(1)
 		go func() {
 			defer wg.Done()
-			p.Submit(nil, func(ctx *fasthttp.RequestCtx) {
+			_ = p.Submit(nil, func(ctx *fasthttp.RequestCtx) {
 				counter.Add(1)
 			})
 		}()

internal/server/server_test.go

@@ -392,13 +392,13 @@ func TestSetListeners(t *testing.T) {
 	if err != nil {
 		t.Fatalf("Failed to create listener: %v", err)
 	}
-	defer listener1.Close()
+	defer func() { _ = listener1.Close() }()
 
 	listener2, err := net.Listen("tcp", "127.0.0.1:0")
 	if err != nil {
 		t.Fatalf("Failed to create listener: %v", err)
 	}
-	defer listener2.Close()
+	defer func() { _ = listener2.Close() }()
 
 	listeners := []net.Listener{listener1, listener2}
 	s.SetListeners(listeners)

internal/server/upgrade_test.go

@@ -28,8 +28,8 @@ func TestIsChild(t *testing.T) {
 	}
 
 	// 设置环境变量
-	os.Setenv("GRACEFUL_UPGRADE", "1")
+	_ = os.Setenv("GRACEFUL_UPGRADE", "1")
-	defer os.Unsetenv("GRACEFUL_UPGRADE")
+	defer func() { _ = os.Unsetenv("GRACEFUL_UPGRADE") }()
 
 	if !mgr.IsChild() {
 		t.Error("Expected IsChild to be true when GRACEFUL_UPGRADE=1")
@@ -38,7 +38,7 @@ func TestIsChild(t *testing.T) {
 
 func TestPidFile(t *testing.T) {
 	tmpFile := "/tmp/lolly-test.pid"
-	defer os.Remove(tmpFile)
+	defer func() { _ = os.Remove(tmpFile) }()
 
 	mgr := NewUpgradeManager(nil)
 	mgr.SetPidFile(tmpFile)
@@ -111,13 +111,13 @@ func TestUpgradeSetListeners(t *testing.T) {
 	if err != nil {
 		t.Fatalf("Failed to create listener: %v", err)
 	}
-	defer listener1.Close()
+	defer func() { _ = listener1.Close() }()
 
 	listener2, err := net.Listen("tcp", "127.0.0.1:0")
 	if err != nil {
 		t.Fatalf("Failed to create listener: %v", err)
 	}
-	defer listener2.Close()
+	defer func() { _ = listener2.Close() }()
 
 	listeners := []net.Listener{listener1, listener2}
 	mgr.SetListeners(listeners)
@@ -141,7 +141,7 @@ func TestWritePid_NoPidFile(t *testing.T) {
 // TestReadOldPid_InvalidContent 测试 PID 文件内容无效时的错误处理
 func TestReadOldPid_InvalidContent(t *testing.T) {
 	tmpFile := "/tmp/lolly-test-invalid.pid"
-	defer os.Remove(tmpFile)
+	defer func() { _ = os.Remove(tmpFile) }()
 
 	// 写入无效内容
 	if err := os.WriteFile(tmpFile, []byte("not-a-pid"), 0644); err != nil {
@@ -161,7 +161,7 @@ func TestReadOldPid_InvalidContent(t *testing.T) {
 func TestGetInheritedListeners_InvalidFds(t *testing.T) {
 	// 保存原始环境变量
 	origFds := os.Getenv("LISTEN_FDS")
-	defer os.Setenv("LISTEN_FDS", origFds)
+	defer func() { _ = os.Setenv("LISTEN_FDS", origFds) }()
 
 	tests := []struct {
 		name    string
@@ -187,7 +187,7 @@ func TestGetInheritedListeners_InvalidFds(t *testing.T) {
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			os.Setenv("LISTEN_FDS", tt.fdsEnv)
+			_ = os.Setenv("LISTEN_FDS", tt.fdsEnv)
 
 			mgr := NewUpgradeManager(nil)
 			_, err := mgr.GetInheritedListeners()
@@ -196,10 +196,9 @@ func TestGetInheritedListeners_InvalidFds(t *testing.T) {
 				if err == nil {
 					t.Error("Expected error for invalid LISTEN_FDS")
 				}
-			} else {
-				// 零或负数应该返回空列表，无错误
-				// 注意：对于 -1，后续逻辑可能会尝试访问无效的 FD
 			}
+			// 零或负数应该返回空列表，无错误
+			// 注意：对于 -1，后续逻辑可能会尝试访问无效的 FD
 		})
 	}
 }
@@ -225,14 +224,14 @@ func TestListenerFile_TCPListener(t *testing.T) {
 	if err != nil {
 		t.Fatalf("Failed to create listener: %v", err)
 	}
-	defer listener.Close()
+	defer func() { _ = listener.Close() }()
 
 	file, err := listenerFile(listener)
 	if err != nil {
 		t.Errorf("Failed to get listener file: %v", err)
 	}
 	if file != nil {
-		file.Close()
+		_ = file.Close()
 	}
 }
 
@@ -279,7 +278,7 @@ func TestNotifyOldProcess_WithCurrentPid(t *testing.T) {
 // TestReadOldPid_EmptyFile 测试空 PID 文件
 func TestReadOldPid_EmptyFile(t *testing.T) {
 	tmpFile := "/tmp/lolly-test-empty.pid"
-	defer os.Remove(tmpFile)
+	defer func() { _ = os.Remove(tmpFile) }()
 
 	// 写入空内容
 	if err := os.WriteFile(tmpFile, []byte(""), 0644); err != nil {

internal/server/vhost_test.go

@@ -11,7 +11,7 @@ import (
 func mockHandler(name string, called *bool) fasthttp.RequestHandler {
 	return func(ctx *fasthttp.RequestCtx) {
 		*called = true
-		ctx.WriteString(name)
+		_, _ = ctx.WriteString(name)
 	}
 }
 

internal/ssl/ocsp_test.go

@@ -338,7 +338,7 @@ func TestOCSPManagerRegisterCertificate(t *testing.T) {
 	ocspServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		// Return a simple OCSP response
 		w.WriteHeader(http.StatusOK)
-		w.Write([]byte("mock-ocsp-response"))
+		_, _ = w.Write([]byte("mock-ocsp-response"))
 	}))
 	defer ocspServer.Close()