diff --git a/agent-go/a_executor/BaseFunction.go b/agent-go/a_executor/BaseFunction.go
index bf1d3ab..f07504d 100755
--- a/agent-go/a_executor/BaseFunction.go
+++ b/agent-go/a_executor/BaseFunction.go
@@ -74,7 +74,7 @@ func (op *AgentOsOperator) Exec(baseFuncName string, funcArgs ...string) (bool,
 		resultOk, errorLog = op.installDockerExec(funcArgs)
 		break
 	case "installDockerByOffline":
-		resultOk, errorLog = op.installDockerOfflineExec(funcArgs)
+		resultOk, errorLog = op.InstallDockerBastion()
 		break
 	case "removeDocker":
 		resultOk, errorLog = op.removeDockerExec()
@@ -728,7 +728,7 @@ func (op *AgentOsOperator) installDockerExec(args []string) (bool, []string) {
 		if !op.CanAccessInternet {
 			// offline version
 			log.InfoF("[installDockerExec] - can not access to internet, installing by offline !")
-			return op.installDockerOfflineExec(args)
+			return op.InstallDockerBastion()
 		}
 
 		installDependencyCommand := append(op.InstallCommandPrefix, []string{
@@ -904,7 +904,7 @@ func (op *AgentOsOperator) installDockerExec(args []string) (bool, []string) {
 		if !op.CanAccessInternet || op.IsOsTypeEuler {
 			// offline version
 			log.InfoF("[installDockerExec] - centos can not access to internet, installing by offline !")
-			return op.installDockerOfflineExec(args)
+			return op.InstallDockerBastion()
 		}
 
 		// download
@@ -946,113 +946,6 @@ func (op *AgentOsOperator) installDockerExec(args []string) (bool, []string) {
 	}
 }
 
-func (op *AgentOsOperator) installDockerOfflineExec(args []string) (bool, []string) {
-
-	log.InfoF("[installDockerOfflineExec] - install docker 20.10.15 by offline method !")
-	BasicCreateFolder("/root/wdd")
-
-	// download static binary installer of docker
-	var dockerOfflineFileName string
-	if strings.HasPrefix(op.AgentArch, "amd") {
-		dockerOfflineFileName = "docker-amd64-20.10.15.tgz"
-	} else if strings.HasPrefix(op.AgentArch, "arm64") {
-		dockerOfflineFileName = "docker-arm64-20.10.15.tgz"
-	}
-
-	ok, resultLog := BasicDownloadFile(op.OssOfflinePrefix+dockerOfflineFileName, "", "", "", OctopusAgentInstallPrefix+dockerOfflineFileName)
-	if !ok {
-		return false, resultLog
-	}
-
-	BasicRemoveFolderComplete("/root/wdd/docker")
-
-	PureResultSingleExecute([]string{
-		"tar",
-		"-vxf",
-		OctopusAgentInstallPrefix + dockerOfflineFileName,
-		"-C",
-		"/root/wdd",
-	})
-
-	HardCodeCommandExecutor("chmod 777 -R /root/wdd/docker/*")
-
-	resultOk, l := HardCodeCommandExecutor("mv /root/wdd/docker/* /usr/bin")
-	if !resultOk {
-		return false, append(l, "[installDockerOfflineExec] - cp docker executable file error!")
-	}
-
-	// systemd daemonize docker
-	downloadOk, log2 := BasicDownloadFile(op.OssOfflinePrefix+"docker-containerd-daemon.service", "", "", "", beans.ContainerdServiceFile)
-	if !downloadOk {
-		return false, append(log2, "[installDockerOfflineExec] - daemon file download error !")
-	}
-
-	downloadOk, log2 = BasicDownloadFile(op.OssOfflinePrefix+"docker-socket-daemon.service", "", "", "", beans.DockerSocketDaemonService)
-	if !downloadOk {
-		return false, append(log2, "[installDockerOfflineExec] - daemon file download error !")
-	}
-
-	downloadOk, log2 = BasicDownloadFile(op.OssOfflinePrefix+"docker-daemon.service", "", "", "", beans.DockerServiceFile)
-	if !downloadOk {
-		return false, append(log2, "[installDockerOfflineExec] - daemon file download error !")
-	}
-
-	// run the docker
-	executor, log3 := AllCommandExecutor([]string{
-		"systemctl",
-		"daemon-reload",
-	})
-	if !executor {
-		return false, append(log3, "[installDockerOfflineExec] -  daemon reload error !")
-	}
-
-	AllCompleteExecutor([][]string{
-		{
-			"groupadd",
-			"docker",
-		},
-		{
-			"usermod",
-			"-aG",
-			"docker",
-			"root",
-		},
-		{
-			"newgrp",
-			"docker",
-		},
-	})
-
-	systemdUp, log5 := BasicSystemdUp("containerd")
-	if !systemdUp {
-		return false, append(log5, "[installDockerOfflineExec] - start containerd service error !")
-	}
-
-	commandExecutor, log6 := AllCompleteExecutor([][]string{
-		{
-			"systemctl",
-			"start",
-			"docker.socket",
-		},
-		{
-			"systemctl",
-			"enable",
-			"docker.socket",
-		},
-	})
-	if !commandExecutor {
-		return false, append(log6, "[installDockerOfflineExec] - start docker.socket error !")
-	}
-
-	up, log4 := BasicSystemdUp("docker")
-	if !up {
-		return false, append(log4, "[installDockerOfflineExec] - start docker service error !")
-	}
-
-	return true, []string{
-		"[installDockerOfflineExec] - docker offline installation success!",
-	}
-}
 func (op *AgentOsOperator) InstallDockerBastion() (bool, []string) {
 
 	// check offline file exits
diff --git a/server/src/test/java/io/wdd/server/func/TestBaseFuncScheduler.java b/server/src/test/java/io/wdd/server/func/TestBaseFuncScheduler.java
index 706ce5a..9e9c8f6 100755
--- a/server/src/test/java/io/wdd/server/func/TestBaseFuncScheduler.java
+++ b/server/src/test/java/io/wdd/server/func/TestBaseFuncScheduler.java
@@ -97,7 +97,7 @@ public class TestBaseFuncScheduler {
                 BaseFunctionEnum.DISABLE_SELINUX,
                 BaseFunctionEnum.MODIFY_SYSCONFIG,
                 BaseFunctionEnum.SHUTDOWN_FIREWALL,
-                BaseFunctionEnum.INSTALL_DOCKER,
+                BaseFunctionEnum.INSTALL_DOCKER_OFFLINE,
                 BaseFunctionEnum.INSTALL_DEFAULT_SSH_KEY,
                 BaseFunctionEnum.INSTALL_DOCKER_COMPOSE,
                 BaseFunctionEnum.MODIFY_DOCKER_CONFIG,