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	fix: 终端断连提示
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		@@ -14,6 +14,7 @@ import (
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const (
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	Resize = 1
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	Data   = 2
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	Ping   = 3
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)
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type TerminalSession struct {
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@@ -64,6 +65,9 @@ func (r TerminalSession) Stop() {
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	global.Log.Debug("close machine ssh terminal session")
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	r.tick.Stop()
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	r.cancel()
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	if r.wsConn != nil {
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		r.wsConn.Close()
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	}
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	if r.terminal != nil {
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		if err := r.terminal.Close(); err != nil {
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			global.Log.Errorf("关闭机器ssh终端失败: %s", err.Error())
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@@ -155,6 +159,12 @@ func (ts *TerminalSession) receiveWsMsg() {
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				if err != nil {
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					global.Log.Debug("机器ssh终端写入消息失败: %s", err)
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				}
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			case Ping:
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				_, err := ts.terminal.SshSession.SendRequest("ping", true, nil)
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				if err != nil {
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					WriteMessage(wsConn, "\r\n\033[1;31m提示: 终端连接已断开...\033[0m")
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					return
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				}
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			}
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		}
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	}
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