diff --git a/.gitignore b/.gitignore
index 0ad54a9..1834d15 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,4 +5,5 @@ demo.toml
 list.json
 repos
 pages
-*_test
\ No newline at end of file
+*_test
+.*
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a9a1114..427ec1b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,14 @@
 # 更新日志
 
+3.3.3 - 2025-05-20
+---
+- CHANGE: 加入`senseClientDisconnection`与`async`配置项
+
+25w39a - 2025-05-19
+---
+- PRE-RELEASE: 此版本是v3.3.3预发布版本,请勿在生产环境中使用;
+- CHANGE: 加入`senseClientDisconnection`与`async`配置项
+
 3.3.2 - 2025-05-18
 ---
 - CHANGE: 默认主题改为`design`
diff --git a/DEV-VERSION b/DEV-VERSION
index 5c77f30..fdef6bc 100644
--- a/DEV-VERSION
+++ b/DEV-VERSION
@@ -1 +1 @@
-25w38a
\ No newline at end of file
+25w39a
\ No newline at end of file
diff --git a/VERSION b/VERSION
index 5436ea0..3f09e91 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-3.3.2
\ No newline at end of file
+3.3.3
\ No newline at end of file
diff --git a/config/config.go b/config/config.go
index c5b8aa0..c1300dc 100644
--- a/config/config.go
+++ b/config/config.go
@@ -34,14 +34,15 @@ debug = false
 */
 
 type ServerConfig struct {
-	Port      int    `toml:"port"`
-	Host      string `toml:"host"`
-	NetLib    string `toml:"netlib"`
-	SizeLimit int    `toml:"sizeLimit"`
-	MemLimit  int64  `toml:"memLimit"`
-	H2C       bool   `toml:"H2C"`
-	Cors      string `toml:"cors"`
-	Debug     bool   `toml:"debug"`
+	Port                     int    `toml:"port"`
+	Host                     string `toml:"host"`
+	NetLib                   string `toml:"netlib"`
+	SenseClientDisconnection bool   `toml:"senseClientDisconnection"`
+	SizeLimit                int    `toml:"sizeLimit"`
+	MemLimit                 int64  `toml:"memLimit"`
+	H2C                      bool   `toml:"H2C"`
+	Cors                     string `toml:"cors"`
+	Debug                    bool   `toml:"debug"`
 }
 
 /*
@@ -98,6 +99,7 @@ type LogConfig struct {
 	LogFilePath  string `toml:"logFilePath"`
 	MaxLogSize   int    `toml:"maxLogSize"`
 	Level        string `toml:"level"`
+	Async        bool   `toml:"async"`
 	HertZLogPath string `toml:"hertzLogPath"`
 }
 
diff --git a/config/config.toml b/config/config.toml
index ca7b80a..c8ea1f5 100644
--- a/config/config.toml
+++ b/config/config.toml
@@ -2,6 +2,7 @@
 host = "0.0.0.0" 
 port = 8080 
 netlib = "netpoll" # "netpoll" / "std" "standard" "net/http" "net"
+senseClientDisconnection = false
 sizeLimit = 125 # MB
 memLimit = 0 # MB
 H2C = true
@@ -33,6 +34,7 @@ staticDir = "/data/www"
 logFilePath = "/data/ghproxy/log/ghproxy.log" 
 maxLogSize = 5 # MB
 level = "info" # dump, debug, info, warn, error, none
+async = false
 hertzLogPath = "/data/ghproxy/log/hertz.log"
 
 [auth]
diff --git a/go.mod b/go.mod
index e798fb1..d4a930a 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,7 @@ go 1.24.3
 require (
 	github.com/BurntSushi/toml v1.5.0
 	github.com/WJQSERVER-STUDIO/httpc v0.5.1
-	github.com/WJQSERVER-STUDIO/logger v1.6.0
+	github.com/WJQSERVER-STUDIO/logger v1.7.1
 	github.com/cloudwego/hertz v0.10.0
 	github.com/hertz-contrib/http2 v0.1.8
 	golang.org/x/net v0.40.0
@@ -16,7 +16,7 @@ require github.com/WJQSERVER-STUDIO/go-utils/limitreader v0.0.2
 
 require (
 	github.com/WJQSERVER-STUDIO/go-utils/copyb v0.0.4 // indirect
-	github.com/WJQSERVER-STUDIO/go-utils/log v0.0.2 // indirect
+	github.com/WJQSERVER-STUDIO/go-utils/log v0.0.3 // indirect
 	github.com/bytedance/gopkg v0.1.2 // indirect
 	github.com/bytedance/sonic v1.13.2 // indirect
 	github.com/bytedance/sonic/loader v0.2.4 // indirect
@@ -40,3 +40,4 @@ require (
 )
 
 //replace github.com/WJQSERVER-STUDIO/httpc v0.5.1 => /data/github/WJQSERVER-STUDIO/httpc
+//replace github.com/WJQSERVER-STUDIO/logger v1.6.0 => /data/github/WJQSERVER-STUDIO/logger
diff --git a/go.sum b/go.sum
index 68f4222..a614fc3 100644
--- a/go.sum
+++ b/go.sum
@@ -4,12 +4,12 @@ github.com/WJQSERVER-STUDIO/go-utils/copyb v0.0.4 h1:JLtFd00AdFg/TP+dtvIzLkdHwKU
 github.com/WJQSERVER-STUDIO/go-utils/copyb v0.0.4/go.mod h1:FZ6XE+4TKy4MOfX1xWKe6Rwsg0ucYFCdNh1KLvyKTfc=
 github.com/WJQSERVER-STUDIO/go-utils/limitreader v0.0.2 h1:8bBkKk6E2Zr+I5szL7gyc5f0DK8N9agIJCpM1Cqw2NE=
 github.com/WJQSERVER-STUDIO/go-utils/limitreader v0.0.2/go.mod h1:yPX8xuZH+py7eLJwOYj3VVI/4/Yuy5+x8Mhq8qezcPg=
-github.com/WJQSERVER-STUDIO/go-utils/log v0.0.2 h1:9CSf+V0ZQPl2ijC/g6v/ObemmhpKcikKVIodsaLExTA=
-github.com/WJQSERVER-STUDIO/go-utils/log v0.0.2/go.mod h1:j9Q+xnwpOfve7/uJnZ2izRQw6NNoXjvJHz7vUQAaLZE=
+github.com/WJQSERVER-STUDIO/go-utils/log v0.0.3 h1:t6nyLhmo9pSfVHm1Wu1WyLsTpXFSjSpQtVKqEDpiZ5Q=
+github.com/WJQSERVER-STUDIO/go-utils/log v0.0.3/go.mod h1:j9Q+xnwpOfve7/uJnZ2izRQw6NNoXjvJHz7vUQAaLZE=
 github.com/WJQSERVER-STUDIO/httpc v0.5.1 h1:+TKCPYBuj7PAHuiduGCGAqsHAa4QtsUfoVwRN777q64=
 github.com/WJQSERVER-STUDIO/httpc v0.5.1/go.mod h1:M7KNUZjjhCkzzcg9lBPs9YfkImI+7vqjAyjdA19+joE=
-github.com/WJQSERVER-STUDIO/logger v1.6.0 h1:xK2xV7hlkMXaWzvj4+cNoNWA+JfnJaHX6VU+RrPnr7Q=
-github.com/WJQSERVER-STUDIO/logger v1.6.0/go.mod h1:TICMsR7geROHBg6rxwkqUNGydo34XVsX93yeoxyfuyY=
+github.com/WJQSERVER-STUDIO/logger v1.7.1 h1:sAFsF3umimY0Vmue5WnGf1Qxvm/vlhK2srZakWVtlFU=
+github.com/WJQSERVER-STUDIO/logger v1.7.1/go.mod h1:cvP0XdFIMLtDWOZeKhklshzipkVU1zufsU4rKNfoM24=
 github.com/bytedance/gopkg v0.1.1/go.mod h1:576VvJ+eJgyCzdjS+c4+77QF3p7ubbtiKARP3TxducM=
 github.com/bytedance/gopkg v0.1.2 h1:8o2feYuxknDpN+O7kPwvSXfMEKfYvJYiA2K7aonoMEQ=
 github.com/bytedance/gopkg v0.1.2/go.mod h1:576VvJ+eJgyCzdjS+c4+77QF3p7ubbtiKARP3TxducM=
diff --git a/main.go b/main.go
index a9c37ae..484d59f 100644
--- a/main.go
+++ b/main.go
@@ -121,6 +121,7 @@ func loadConfig() {
 
 func setupLogger(cfg *config.Config) {
 	var err error
+
 	err = logger.Init(cfg.Log.LogFilePath, cfg.Log.MaxLogSize)
 	if err != nil {
 		fmt.Printf("Failed to initialize logger: %v\n", err)
@@ -131,6 +132,8 @@ func setupLogger(cfg *config.Config) {
 		fmt.Printf("Logger Level Error: %v\n", err)
 		os.Exit(1)
 	}
+	logger.SetAsync(cfg.Log.Async)
+
 	fmt.Printf("Log Level: %s\n", cfg.Log.Level)
 	logDebug("Config File Path: ", cfgfile)
 	logDebug("Loaded config: %v\n", cfg)
@@ -401,13 +404,13 @@ func main() {
 			r = server.New(
 				server.WithH2C(true),
 				server.WithHostPorts(addr),
-				server.WithSenseClientDisconnection(true),
+				server.WithSenseClientDisconnection(cfg.Server.SenseClientDisconnection),
 			)
 			r.AddProtocol("h2", factory.NewServerFactory())
 		} else {
 			r = server.New(
 				server.WithHostPorts(addr),
-				server.WithSenseClientDisconnection(true),
+				server.WithSenseClientDisconnection(cfg.Server.SenseClientDisconnection),
 			)
 		}
 	} else {
@@ -465,6 +468,51 @@ func main() {
 		proxy.RoutingHandler(cfg, limiter, iplimiter)(ctx, c)
 	})
 
+	// for 3.4.0
+
+	/*
+		r.GET("/v2/", func(ctx context.Context, c *app.RequestContext) {
+			proxy.GhcrRouting(cfg)(ctx, c)
+
+			/*
+				//proxy.GhcrRouting(cfg)(ctx, c)
+				// 返回200与空json
+				//c.JSON(200, map[string]interface{}{})
+				emptyJSON := "{}"
+				//emptyJSON := `{"name":"disable-list-tags","tags":[]}`
+				c.Header("Content-Type", "application/json")
+				c.Header("Content-Length", fmt.Sprint(len(emptyJSON)))
+				c.String(200, emptyJSON)
+	*/
+	/*
+		emptyJSON := "{}"
+		c.Header("Content-Type", "application/json")
+		c.Header("Content-Length", fmt.Sprint(len(emptyJSON)))
+
+		c.Header("Docker-Distribution-API-Version", "registry/2.0")
+
+		c.Status(200)
+		c.Write([]byte(emptyJSON))
+	*/
+
+	/*
+		w := adaptor.GetCompatResponseWriter(&c.Response)
+
+		const emptyJSON = "{}"
+		w.Header().Set("Content-Type", "application/json")
+		w.Header().Set("Content-Length", fmt.Sprint(len(emptyJSON)))
+		w.Header().Del("Server")
+
+		fmt.Fprint(w, emptyJSON)
+	*/
+	/*
+		})
+
+		r.Any("/v2/:target/*filepath", func(ctx context.Context, c *app.RequestContext) {
+			proxy.GhcrRouting(cfg)(ctx, c)
+		})
+	*/
+
 	r.Any("/v2/*filepath", func(ctx context.Context, c *app.RequestContext) {
 		proxy.GhcrRouting(cfg)(ctx, c)
 	})
diff --git a/proxy/match.go b/proxy/match.go
index 8c64623..9db0c23 100644
--- a/proxy/match.go
+++ b/proxy/match.go
@@ -1,11 +1,8 @@
 package proxy
 
 import (
-	"bufio"
-	"compress/gzip"
 	"fmt"
 	"ghproxy/config"
-	"io"
 	"net/url"
 	"regexp"
 	"strings"
@@ -104,62 +101,6 @@ func Matcher(rawPath string, cfg *config.Config) (string, string, string, *GHPro
 	return "", "", "", NewErrorWithStatusLookup(404, errMsg)
 }
 
-func EditorMatcher(rawPath string, cfg *config.Config) (bool, error) {
-	// 匹配 "https://github.com"开头的链接
-	if strings.HasPrefix(rawPath, "https://github.com") {
-		return true, nil
-	}
-	// 匹配 "https://raw.githubusercontent.com"开头的链接
-	if strings.HasPrefix(rawPath, "https://raw.githubusercontent.com") {
-		return true, nil
-	}
-	// 匹配 "https://raw.github.com"开头的链接
-	if strings.HasPrefix(rawPath, "https://raw.github.com") {
-		return true, nil
-	}
-	// 匹配 "https://gist.githubusercontent.com"开头的链接
-	if strings.HasPrefix(rawPath, "https://gist.githubusercontent.com") {
-		return true, nil
-	}
-	// 匹配 "https://gist.github.com"开头的链接
-	if strings.HasPrefix(rawPath, "https://gist.github.com") {
-		return true, nil
-	}
-	if cfg.Shell.RewriteAPI {
-		// 匹配 "https://api.github.com/"开头的链接
-		if strings.HasPrefix(rawPath, "https://api.github.com") {
-			return true, nil
-		}
-	}
-	return false, nil
-}
-
-// 匹配文件扩展名是sh的rawPath
-func MatcherShell(rawPath string) bool {
-	return strings.HasSuffix(rawPath, ".sh")
-}
-
-// LinkProcessor 是一个函数类型，用于处理提取到的链接。
-type LinkProcessor func(string) string
-
-// 自定义 URL 修改函数
-func modifyURL(url string, host string, cfg *config.Config) string {
-	// 去除url内的https://或http://
-	matched, err := EditorMatcher(url, cfg)
-	if err != nil {
-		logDump("Invalid URL: %s", url)
-		return url
-	}
-	if matched {
-		var u = url
-		u = strings.TrimPrefix(u, "https://")
-		u = strings.TrimPrefix(u, "http://")
-		logDump("Modified URL: %s", "https://"+host+"/"+u)
-		return "https://" + host + "/" + u
-	}
-	return url
-}
-
 var (
 	matchedMatchers = []string{
 		"blob",
@@ -211,118 +152,3 @@ func extractParts(rawURL string) (string, string, string, url.Values, error) {
 }
 
 var urlPattern = regexp.MustCompile(`https?://[^\s'"]+`)
-
-// processLinks 处理链接，返回包含处理后数据的 io.Reader
-func processLinks(input io.ReadCloser, compress string, host string, cfg *config.Config) (readerOut io.Reader, written int64, err error) {
-	pipeReader, pipeWriter := io.Pipe() // 创建 io.Pipe
-	readerOut = pipeReader
-
-	go func() { // 在 Goroutine 中执行写入操作
-		defer func() {
-			if pipeWriter != nil { // 确保 pipeWriter 关闭，即使发生错误
-				if err != nil {
-					if closeErr := pipeWriter.CloseWithError(err); closeErr != nil { // 如果有错误，传递错误给 reader
-						logError("pipeWriter close with error failed: %v, original error: %v", closeErr, err)
-					}
-				} else {
-					if closeErr := pipeWriter.Close(); closeErr != nil { // 没有错误，正常关闭
-						logError("pipeWriter close failed: %v", closeErr)
-						if err == nil { // 如果之前没有错误，记录关闭错误
-							err = closeErr
-						}
-					}
-				}
-			}
-		}()
-
-		defer func() {
-			if err := input.Close(); err != nil {
-				logError("input close failed: %v", err)
-			}
-
-		}()
-
-		var bufReader *bufio.Reader
-
-		if compress == "gzip" {
-			// 解压gzip
-			gzipReader, gzipErr := gzip.NewReader(input)
-			if gzipErr != nil {
-				err = fmt.Errorf("gzip解压错误: %v", gzipErr)
-				return // Goroutine 中使用 return 返回错误
-			}
-			defer gzipReader.Close()
-			bufReader = bufio.NewReader(gzipReader)
-		} else {
-			bufReader = bufio.NewReader(input)
-		}
-
-		var bufWriter *bufio.Writer
-		var gzipWriter *gzip.Writer
-
-		// 根据是否gzip确定 writer 的创建
-		if compress == "gzip" {
-			gzipWriter = gzip.NewWriter(pipeWriter)           // 使用 pipeWriter
-			bufWriter = bufio.NewWriterSize(gzipWriter, 4096) //设置缓冲区大小
-		} else {
-			bufWriter = bufio.NewWriterSize(pipeWriter, 4096) // 使用 pipeWriter
-		}
-
-		//确保writer关闭
-		defer func() {
-			var closeErr error // 局部变量，用于保存defer中可能发生的错误
-
-			if gzipWriter != nil {
-				if closeErr = gzipWriter.Close(); closeErr != nil {
-					logError("gzipWriter close failed %v", closeErr)
-					// 如果已经存在错误，则保留。否则，记录此错误。
-					if err == nil {
-						err = closeErr
-					}
-				}
-			}
-			if flushErr := bufWriter.Flush(); flushErr != nil {
-				logError("writer flush failed %v", flushErr)
-				// 如果已经存在错误，则保留。否则，记录此错误。
-				if err == nil {
-					err = flushErr
-				}
-			}
-		}()
-
-		// 使用正则表达式匹配 http 和 https 链接
-		for {
-			line, readErr := bufReader.ReadString('\n')
-			if readErr != nil {
-				if readErr == io.EOF {
-					break // 文件结束
-				}
-				err = fmt.Errorf("读取行错误: %v", readErr) // 传递错误
-				return                                 // Goroutine 中使用 return 返回错误
-			}
-
-			// 替换所有匹配的 URL
-			modifiedLine := urlPattern.ReplaceAllStringFunc(line, func(originalURL string) string {
-				logDump("originalURL: %s", originalURL)
-				return modifyURL(originalURL, host, cfg) // 假设 modifyURL 函数已定义
-			})
-
-			n, writeErr := bufWriter.WriteString(modifiedLine)
-			written += int64(n) // 更新写入的字节数
-			if writeErr != nil {
-				err = fmt.Errorf("写入文件错误: %v", writeErr) // 传递错误
-				return                                   // Goroutine 中使用 return 返回错误
-			}
-		}
-
-		// 在返回之前，再刷新一次 (虽然 defer 中已经有 flush，但这里再加一次确保及时刷新)
-		if flushErr := bufWriter.Flush(); flushErr != nil {
-			if err == nil { // 避免覆盖之前的错误
-				err = flushErr
-			}
-			return // Goroutine 中使用 return 返回错误
-		}
-	}()
-
-	return readerOut, written, nil // 返回 reader 和 written，error 由 Goroutine 通过 pipeWriter.CloseWithError 传递
-}
diff --git a/proxy/nest.go b/proxy/nest.go
new file mode 100644
index 0000000..84f55cd
--- /dev/null
+++ b/proxy/nest.go
@@ -0,0 +1,185 @@
+// Copyright 2025 WJQSERVER, WJQSERVER-STUDIO. All rights reserved.
+// 使用本源代码受 WSL 2.0(WJQserver Studio License v2.0)与MPL 2.0(Mozilla Public License v2.0)许可协议的约束
+// 此段代码使用双重授权许可, 允许用户选择其中一种许可证
+
+package proxy
+
+import (
+	"bufio"
+	"compress/gzip"
+	"fmt"
+	"ghproxy/config"
+	"io"
+	"strings"
+)
+
+func EditorMatcher(rawPath string, cfg *config.Config) (bool, error) {
+	// 匹配 "https://github.com"开头的链接
+	if strings.HasPrefix(rawPath, "https://github.com") {
+		return true, nil
+	}
+	// 匹配 "https://raw.githubusercontent.com"开头的链接
+	if strings.HasPrefix(rawPath, "https://raw.githubusercontent.com") {
+		return true, nil
+	}
+	// 匹配 "https://raw.github.com"开头的链接
+	if strings.HasPrefix(rawPath, "https://raw.github.com") {
+		return true, nil
+	}
+	// 匹配 "https://gist.githubusercontent.com"开头的链接
+	if strings.HasPrefix(rawPath, "https://gist.githubusercontent.com") {
+		return true, nil
+	}
+	// 匹配 "https://gist.github.com"开头的链接
+	if strings.HasPrefix(rawPath, "https://gist.github.com") {
+		return true, nil
+	}
+	if cfg.Shell.RewriteAPI {
+		// 匹配 "https://api.github.com/"开头的链接
+		if strings.HasPrefix(rawPath, "https://api.github.com") {
+			return true, nil
+		}
+	}
+	return false, nil
+}
+
+// 匹配文件扩展名是sh的rawPath
+func MatcherShell(rawPath string) bool {
+	return strings.HasSuffix(rawPath, ".sh")
+}
+
+// LinkProcessor 是一个函数类型，用于处理提取到的链接。
+type LinkProcessor func(string) string
+
+// 自定义 URL 修改函数
+func modifyURL(url string, host string, cfg *config.Config) string {
+	// 去除url内的https://或http://
+	matched, err := EditorMatcher(url, cfg)
+	if err != nil {
+		logDump("Invalid URL: %s", url)
+		return url
+	}
+	if matched {
+		var u = url
+		u = strings.TrimPrefix(u, "https://")
+		u = strings.TrimPrefix(u, "http://")
+		logDump("Modified URL: %s", "https://"+host+"/"+u)
+		return "https://" + host + "/" + u
+	}
+	return url
+}
+
+// processLinks 处理链接，返回包含处理后数据的 io.Reader
+func processLinks(input io.ReadCloser, compress string, host string, cfg *config.Config) (readerOut io.Reader, written int64, err error) {
+	pipeReader, pipeWriter := io.Pipe() // 创建 io.Pipe
+	readerOut = pipeReader
+
+	go func() { // 在 Goroutine 中执行写入操作
+		defer func() {
+			if pipeWriter != nil { // 确保 pipeWriter 关闭，即使发生错误
+				if err != nil {
+					if closeErr := pipeWriter.CloseWithError(err); closeErr != nil { // 如果有错误，传递错误给 reader
+						logError("pipeWriter close with error failed: %v, original error: %v", closeErr, err)
+					}
+				} else {
+					if closeErr := pipeWriter.Close(); closeErr != nil { // 没有错误，正常关闭
+						logError("pipeWriter close failed: %v", closeErr)
+						if err == nil { // 如果之前没有错误，记录关闭错误
+							err = closeErr
+						}
+					}
+				}
+			}
+		}()
+
+		defer func() {
+			if err := input.Close(); err != nil {
+				logError("input close failed: %v", err)
+			}
+
+		}()
+
+		var bufReader *bufio.Reader
+
+		if compress == "gzip" {
+			// 解压gzip
+			gzipReader, gzipErr := gzip.NewReader(input)
+			if gzipErr != nil {
+				err = fmt.Errorf("gzip解压错误: %v", gzipErr)
+				return // Goroutine 中使用 return 返回错误
+			}
+			defer gzipReader.Close()
+			bufReader = bufio.NewReader(gzipReader)
+		} else {
+			bufReader = bufio.NewReader(input)
+		}
+
+		var bufWriter *bufio.Writer
+		var gzipWriter *gzip.Writer
+
+		// 根据是否gzip确定 writer 的创建
+		if compress == "gzip" {
+			gzipWriter = gzip.NewWriter(pipeWriter)           // 使用 pipeWriter
+			bufWriter = bufio.NewWriterSize(gzipWriter, 4096) //设置缓冲区大小
+		} else {
+			bufWriter = bufio.NewWriterSize(pipeWriter, 4096) // 使用 pipeWriter
+		}
+
+		//确保writer关闭
+		defer func() {
+			var closeErr error // 局部变量，用于保存defer中可能发生的错误
+
+			if gzipWriter != nil {
+				if closeErr = gzipWriter.Close(); closeErr != nil {
+					logError("gzipWriter close failed %v", closeErr)
+					// 如果已经存在错误，则保留。否则，记录此错误。
+					if err == nil {
+						err = closeErr
+					}
+				}
+			}
+			if flushErr := bufWriter.Flush(); flushErr != nil {
+				logError("writer flush failed %v", flushErr)
+				// 如果已经存在错误，则保留。否则，记录此错误。
+				if err == nil {
+					err = flushErr
+				}
+			}
+		}()
+
+		// 使用正则表达式匹配 http 和 https 链接
+		for {
+			line, readErr := bufReader.ReadString('\n')
+			if readErr != nil {
+				if readErr == io.EOF {
+					break // 文件结束
+				}
+				err = fmt.Errorf("读取行错误: %v", readErr) // 传递错误
+				return                                 // Goroutine 中使用 return 返回错误
+			}
+
+			// 替换所有匹配的 URL
+			modifiedLine := urlPattern.ReplaceAllStringFunc(line, func(originalURL string) string {
+				logDump("originalURL: %s", originalURL)
+				return modifyURL(originalURL, host, cfg) // 假设 modifyURL 函数已定义
+			})
+
+			n, writeErr := bufWriter.WriteString(modifiedLine)
+			written += int64(n) // 更新写入的字节数
+			if writeErr != nil {
+				err = fmt.Errorf("写入文件错误: %v", writeErr) // 传递错误
+				return                                   // Goroutine 中使用 return 返回错误
+			}
+		}
+
+		// 在返回之前，再刷新一次 (虽然 defer 中已经有 flush，但这里再加一次确保及时刷新)
+		if flushErr := bufWriter.Flush(); flushErr != nil {
+			if err == nil { // 避免覆盖之前的错误
+				err = flushErr
+			}
+			return // Goroutine 中使用 return 返回错误
+		}
+	}()
+
+	return readerOut, written, nil // 返回 reader 和 written，error 由 Goroutine 通过 pipeWriter.CloseWithError 传递
+}