diff --git a/src/framework/cmd/cmd_session.go b/src/framework/cmd/cmd_session.go
index 25fa65d9..dfeb146c 100644
--- a/src/framework/cmd/cmd_session.go
+++ b/src/framework/cmd/cmd_session.go
@@ -4,7 +4,6 @@ import (
 	"fmt"
 	"os"
 	"os/exec"
-	"syscall"
 
 	"github.com/creack/pty"
 )
@@ -13,10 +12,7 @@ import (
 func NewClientSession(cols, rows int) (*LocalClientSession, error) {
 	// Create arbitrary command.
 	c := exec.Command("bash")
-	// 为防止当前进程阻塞，设置为后台执行
-	c.SysProcAttr = &syscall.SysProcAttr{
-		Setpgid: true, // 设置新进程组，确保安装进程与当前进程不在同一进程组
-	}
+
 	// Start the command with a pty.
 	ptmx, err := pty.StartWithSize(c, &pty.Winsize{
 		Rows: uint16(rows), // ws_row: Number of rows (in cells).
diff --git a/src/modules/network_element/service/ne_version.go b/src/modules/network_element/service/ne_version.go
index aea61466..414df5c6 100644
--- a/src/modules/network_element/service/ne_version.go
+++ b/src/modules/network_element/service/ne_version.go
@@ -270,7 +270,7 @@ func (r NeVersion) operateCommand(action, neType string, neFilePaths []string) (
 
 		// 2s后执行omc相关命令
 		cmdStrArr = append(cmdStrArr, fmt.Sprintf("sudo rm -f /tmp/operate_run_%s_omc.out \n", action))
-		cmdStrArr = append(cmdStrArr, fmt.Sprintf("nohup sh -c \"sleep 2s && %s\" > /tmp/operate_run_%s_omc.out2>&1 & \n", strings.Join(omcStrArr, " && "), action))
+		cmdStrArr = append(cmdStrArr, fmt.Sprintf("nohup sh -c \"sleep 2s && %s\" > /tmp/operate_run_%s_omc.out >&1 & \n", strings.Join(omcStrArr, " && "), action))
 		cmdStrArr = append(cmdStrArr, fmt.Sprintf("echo '%s' \n", okFlagStr))
 		return okFlagStr, cmdStrArr, nil
 	} else if neType == "IMS" {