diff --git a/agent-go/a_executor/BaseFunction.go b/agent-go/a_executor/BaseFunction.go
index f07504d..e8b61b9 100755
--- a/agent-go/a_executor/BaseFunction.go
+++ b/agent-go/a_executor/BaseFunction.go
@@ -4,7 +4,9 @@ import (
 	"fmt"
 	"net"
 	"os"
+	"path/filepath"
 	"strings"
+
 	"wdd.io/agent-go/a_agent"
 	"wdd.io/agent-go/a_executor/beans"
 )
@@ -962,7 +964,7 @@ func (op *AgentOsOperator) InstallDockerBastion() (bool, []string) {
 
 	BasicRemoveFolderComplete("/root/wdd/docker")
 
-	dockerLocalFile := OctopusAgentInstallPrefix + dockerOfflineFileName
+	dockerLocalFile := filepath.Join(OctopusAgentInstallPrefix, dockerOfflineFileName)
 	if !BasicFileExistAndNotNull(dockerLocalFile) {
 		sprintf := fmt.Sprintf("docker offline file not exists ! => %s", dockerLocalFile)
 		log.Error(sprintf)
@@ -974,7 +976,7 @@ func (op *AgentOsOperator) InstallDockerBastion() (bool, []string) {
 		"-vxf",
 		dockerLocalFile,
 		"-C",
-		"/root/wdd",
+		"/root/wdd/",
 	})
 
 	HardCodeCommandExecutor("chmod 777 -R /root/wdd/docker/*")
diff --git a/agent-go/a_executor/BasicFunction.go b/agent-go/a_executor/BasicFunction.go
index 08c3000..123372c 100755
--- a/agent-go/a_executor/BasicFunction.go
+++ b/agent-go/a_executor/BasicFunction.go
@@ -5,7 +5,6 @@ import (
 	"bytes"
 	"errors"
 	"fmt"
-	"golang.org/x/net/proxy"
 	"io"
 	"net/http"
 	"net/url"
@@ -14,6 +13,8 @@ import (
 	"path/filepath"
 	"regexp"
 	"strings"
+
+	"golang.org/x/net/proxy"
 )
 
 var RemoveForcePrefix = []string{"rm", "-rf"}
@@ -422,26 +423,15 @@ func BasicFileExists(filename string) bool {
 // BasicFileExistAndNotNull 文件不为空返回true 文件为空返回false
 func BasicFileExistAndNotNull(filename string) bool {
 
-	// Check if the file exists
-	if _, err := os.Stat(filename); os.IsNotExist(err) {
-		log.DebugF("文件 %s 不存在！", filename)
+	// 获取文件信息
+	fileInfo, err := os.Stat(filename)
+	if err != nil {
+		// 如果文件不存在或其他错误，返回 false
 		return false
 	}
 
-	// Open the file for reading
-	file, err := os.Open(filename)
-	defer file.Close()
-	if err != nil {
-		log.DebugF("文件 %s 打开有误！", filename)
-		return false // Handle error according to your needs
-	}
-
-	// Get the file size
-	info, _ := file.Stat()
-	size := info.Size()
-
-	// Check if the file is not empty
-	return size > 0
+	// 检查文件大小是否大于零
+	return fileInfo.Size() > 0
 }
 
 func BasicFolderExists(folderName string) bool {