diff --git a/pkg/webserver/apache/lexer.go b/pkg/webserver/apache/lexer.go
index f627c392..7185cc70 100644
--- a/pkg/webserver/apache/lexer.go
+++ b/pkg/webserver/apache/lexer.go
@@ -82,14 +82,6 @@ func (l *Lexer) readChar() {
 	}
 }
 
-// peekChar 预览下一个字符而不移动位置
-func (l *Lexer) peekChar() rune {
-	if l.pos+1 >= len(l.buf) {
-		return 0
-	}
-	return l.buf[l.pos+1]
-}
-
 // skipWhitespace 跳过空白字符
 func (l *Lexer) skipWhitespace() {
 	for l.current == ' ' || l.current == '\t' || l.current == '\r' {
diff --git a/pkg/webserver/apache/parser.go b/pkg/webserver/apache/parser.go
index ecf71294..7a2d8ec1 100644
--- a/pkg/webserver/apache/parser.go
+++ b/pkg/webserver/apache/parser.go
@@ -404,17 +404,16 @@ func (p *Parser) parseBlockDirective(token Token) (*Block, error) {
 			break
 		}
 
-		if nextToken.Type == NEWLINE {
+		switch nextToken.Type {
+		case NEWLINE:
 			continue
-		}
-
-		if nextToken.Type == DIRECTIVE {
+		case DIRECTIVE:
 			directive, err := p.parseDirective(nextToken)
 			if err != nil {
 				return nil, err
 			}
 			block.Directives = append(block.Directives, directive)
-		} else if nextToken.Type == COMMENT {
+		case COMMENT:
 			// 处理块内注释
 			comment := &Comment{
 				Text:   nextToken.Value,
@@ -422,6 +421,8 @@ func (p *Parser) parseBlockDirective(token Token) (*Block, error) {
 				Column: nextToken.Column,
 			}
 			block.Comments = append(block.Comments, comment)
+		default:
+			continue
 		}
 	}
 
diff --git a/pkg/webserver/apache/proxy.go b/pkg/webserver/apache/proxy.go
index 3b64d4a0..e10d5ceb 100644
--- a/pkg/webserver/apache/proxy.go
+++ b/pkg/webserver/apache/proxy.go
@@ -78,9 +78,7 @@ func parseProxyFile(filePath string) (*types.Proxy, error) {
 	}
 
 	// 解析 ProxyPreserveHost
-	if regexp.MustCompile(`ProxyPreserveHost\s+On`).MatchString(contentStr) {
-		// Host 由客户端提供
-	}
+	_ = regexp.MustCompile(`ProxyPreserveHost\s+On`).MatchString(contentStr)
 
 	// 解析 RequestHeader set Host
 	hostPattern := regexp.MustCompile(`RequestHeader\s+set\s+Host\s+"([^"]+)"`)
diff --git a/pkg/webserver/apache/vhost.go b/pkg/webserver/apache/vhost.go
index 9456d141..6a909c95 100644
--- a/pkg/webserver/apache/vhost.go
+++ b/pkg/webserver/apache/vhost.go
@@ -546,7 +546,7 @@ func (v *baseVhost) BasicAuth() map[string]string {
 }
 
 func (v *baseVhost) SetBasicAuth(auth map[string]string) error {
-	if auth == nil || len(auth) == 0 {
+	if len(auth) == 0 {
 		// 清除基本认证配置
 		v.vhost.RemoveDirective("AuthType")
 		v.vhost.RemoveDirective("AuthName")
diff --git a/pkg/webserver/apache/vhost_test.go b/pkg/webserver/apache/vhost_test.go
index ff877871..f8e1bc5c 100644
--- a/pkg/webserver/apache/vhost_test.go
+++ b/pkg/webserver/apache/vhost_test.go
@@ -45,9 +45,9 @@ func (s *VhostTestSuite) TearDownTest() {
 }
 
 func (s *VhostTestSuite) TestNewVhost() {
-	s.Equal(s.configDir, s.vhost.baseVhost.configDir)
-	s.NotNil(s.vhost.baseVhost.config)
-	s.NotNil(s.vhost.baseVhost.vhost)
+	s.Equal(s.configDir, s.vhost.configDir)
+	s.NotNil(s.vhost.config)
+	s.NotNil(s.vhost.vhost)
 }
 
 func (s *VhostTestSuite) TestEnable() {
diff --git a/pkg/webserver/nginx/setter.go b/pkg/webserver/nginx/setter.go
index 305462d3..926f612f 100644
--- a/pkg/webserver/nginx/setter.go
+++ b/pkg/webserver/nginx/setter.go
@@ -493,9 +493,7 @@ func (p *Parser) SetErrorLog(errorLog string) error {
 
 // SetReturn 设置 return 指令（用于禁用网站）
 func (p *Parser) SetReturn(code, url string) error {
-	if err := p.Clear("server.return"); err != nil {
-		// 忽略不存在的错误
-	}
+	_ = p.Clear("server.return") // 忽略不存在的错误
 
 	directives := []*config.Directive{
 		{
@@ -534,9 +532,7 @@ func (p *Parser) SetReturn(code, url string) error {
 
 // SetLimitRate 设置限速配置
 func (p *Parser) SetLimitRate(limitRate string) error {
-	if err := p.Clear("server.limit_rate"); err != nil {
-		// 忽略不存在的错误
-	}
+	_ = p.Clear("server.limit_rate") // 忽略不存在的错误
 
 	if limitRate == "" {
 		return nil // 清除限速配置
diff --git a/pkg/webserver/nginx/vhost.go b/pkg/webserver/nginx/vhost.go
index 798b3126..9d830970 100644
--- a/pkg/webserver/nginx/vhost.go
+++ b/pkg/webserver/nginx/vhost.go
@@ -451,7 +451,7 @@ func (v *baseVhost) BasicAuth() map[string]string {
 }
 
 func (v *baseVhost) SetBasicAuth(auth map[string]string) error {
-	if auth == nil || len(auth) == 0 {
+	if len(auth) == 0 {
 		// 清除基本认证配置
 		return v.parser.SetBasicAuth("", "")
 	}