diff --git a/app/admin/apis/devops/explorer_sftp.go b/app/admin/apis/devops/explorer_sftp.go
index a6f60ca15a0794cfa4426dfabf7c3d4106d450a4..b0a3702e9bb2e4a1759028366764721341e8056f 100644
--- a/app/admin/apis/devops/explorer_sftp.go
+++ b/app/admin/apis/devops/explorer_sftp.go
@@ -9,7 +9,6 @@ import (
 	"github.com/MarchGe/go-admin-server/app/common/R"
 	ginUtils "github.com/MarchGe/go-admin-server/app/common/utils/gin_utils"
 	"github.com/gin-gonic/gin"
-	"io"
 	"net/http"
 	"os"
 	"path"
@@ -161,14 +160,10 @@ func (a *ExplorerSftpApi) Download(c *gin.Context) {
 	fileName := parts[len(parts)-1]
 	c.Writer.Header().Add("Content-Type", "application/octet-stream")
 	c.Writer.Header().Set("Content-Disposition", "attachment; filename="+fileName)
-	file, err := a.explorerSftpService.DownloadFile(filePath, host)
+	err = a.explorerSftpService.DownloadFile(filePath, host, c.Writer)
 	if err != nil {
 		E.PanicErr(err)
 	}
-	defer func() { _ = file.Close() }()
-	if _, err = io.Copy(c.Writer, file); err != nil {
-		E.PanicErr(err)
-	}
 	c.Writer.Flush()
 }
 
diff --git a/app/admin/service/dvservice/explorer_sftp.go b/app/admin/service/dvservice/explorer_sftp.go
index b006ab8d52a9eac12d621952a60f247dfa8f91af..4a39d671e3838107c8f28559e09664660f62d89c 100644
--- a/app/admin/service/dvservice/explorer_sftp.go
+++ b/app/admin/service/dvservice/explorer_sftp.go
@@ -125,26 +125,28 @@ func (s *ExplorerSftpService) UploadFile(filePath string, file multipart.File, h
 	return err
 }
 
-func (s *ExplorerSftpService) DownloadFile(filePath string, host *dvmodel.Host) (*sftp.File, error) {
+func (s *ExplorerSftpService) DownloadFile(filePath string, host *dvmodel.Host, w io.Writer) error {
 	client, err := s.getSftpClient(host)
 	if err != nil {
-		return nil, fmt.Errorf("get sftp client error, %w", err)
+		return fmt.Errorf("get sftp client error, %w", err)
 	}
-	defer func() { _ = client.Close() }()
+	defer client.Close()
 
 	info, err := client.Stat(filePath)
 	if err != nil {
-		return nil, E.Message("获取文件信息失败")
+		return E.Message("获取文件信息失败")
 	}
 	if info.IsDir() {
-		return nil, E.Message("不支持下载文件夹")
+		return E.Message("不支持下载文件夹")
 	}
 
 	file, err := client.Open(filePath)
 	if err != nil {
-		return nil, fmt.Errorf("sftp open file error, %w", err)
+		return fmt.Errorf("sftp open file error, %w", err)
 	}
-	return file, nil
+	defer file.Close()
+	_, err = io.Copy(w, file)
+	return err
 }
 
 func (s *ExplorerSftpService) CreateDir(r *req.SftpCreateDirReq, host *dvmodel.Host) error {