style: 补充代码注释

src/modules/network_element/controller/ne_host.go

@@ -203,6 +203,7 @@ func (s *NeHostController) Test(c *gin.Context) {
 			return
 		}
 		defer client.Close()
+		// 是否有终止符
 		if strings.HasSuffix(client.LastResult, ">") || strings.HasSuffix(client.LastResult, "> ") || strings.HasSuffix(client.LastResult, "# ") {
 			c.JSON(200, result.Ok(nil))
 		} else {

src/modules/network_element/service/ne_license.impl.go

@@ -174,7 +174,7 @@ func (r *NeLicenseImpl) UploadLicense(neLicense model.NeLicense) error {
 
 	// 上传授权文件去覆盖
 	if err := sftpClient.CopyFileLocalToRemote(omcLicensePath, neLicensePath); err != nil {
-		return err
+		return fmt.Errorf("please check if scp remote copy is allowed")
 	}
 
 	// 重启服务

src/modules/ws/controller/ws.go

@@ -259,12 +259,12 @@ func (s *WSController) Telnet(c *gin.Context) {
 	// 终端单行字符数
 	cols, err := strconv.Atoi(c.Query("cols"))
 	if err != nil || cols > 254 {
-		cols = 80
+		cols = 120
 	}
 	// 终端显示行数
 	rows, err := strconv.Atoi(c.Query("rows"))
 	if err != nil || cols > rows {
-		rows = 40
+		rows = 128
 	}
 
 	// 创建Telnet客户端会话