diff --git a/pkg/webconsole/server/tty_server.go b/pkg/webconsole/server/tty_server.go
index 4cf4f0757d..bde779afa8 100644
--- a/pkg/webconsole/server/tty_server.go
+++ b/pkg/webconsole/server/tty_server.go
@@ -99,11 +99,15 @@ func initSocketHandler(so socketio.Socket, p *session.Pty) {
 					log.Infof("exec: %s", p.Command)
 					args := strings.Split(p.Command, " ")
 					cmd := exec.Command(args[0], args[1:]...)
+					cmd.Env = append(cmd.Env, "TERM=screen-256color")
 					if _pty, err := pty.Start(cmd); err != nil {
 						so.Emit(OUTPUT_EVENT, err.Error()+"\r\n")
 						log.Errorf("exec error: %v", err)
 					} else {
 						p.Pty, p.Cmd, p.IsOk = _pty, cmd, true
+						if p.OriginSize != nil {
+							p.Resize(p.OriginSize)
+						}
 					}
 				}
 				p.Buffer, data = "", ""
diff --git a/pkg/webconsole/session/pty_session.go b/pkg/webconsole/session/pty_session.go
index 7cb2ea8182..64c2c893f6 100644
--- a/pkg/webconsole/session/pty_session.go
+++ b/pkg/webconsole/session/pty_session.go
@@ -12,17 +12,18 @@ import (
 )
 
 type Pty struct {
-	Session *SSession
-	Cmd     *exec.Cmd
-	Pty     *os.File
-	sizeCh  chan os.Signal
-	size    *pty.Winsize
-	Show    bool
-	IsOk    bool
-	Buffer  string
-	Output  string
-	Command string
-	Exit    bool
+	Session    *SSession
+	Cmd        *exec.Cmd
+	Pty        *os.File
+	sizeCh     chan os.Signal
+	size       *pty.Winsize
+	OriginSize *pty.Winsize
+	Show       bool
+	IsOk       bool
+	Buffer     string
+	Output     string
+	Command    string
+	Exit       bool
 }
 
 func NewPty(session *SSession) (p *Pty, err error) {
@@ -59,6 +60,7 @@ func (p *Pty) startResizeMonitor() {
 					log.Debugf("Resize pty to %#v, cmd: %#v", p.size, p.Cmd)
 				}
 			}
+			p.OriginSize = p.size
 		}
 	}()
 }