/// <summary>
        /// 添加分组。仅添加分组,不添加版本
        /// </summary>
        /// <param name="title">标题</param>
        /// <param name="name">名称</param>
        /// <param name="description">描述</param>
        public void AddGroup(string title, string name, string description)
        {
            ApiGroupInfo apiGroup = GetApiGroup(name) ?? new ApiGroupInfo {
                Title = title, Name = name, Description = string.Empty, IsCustomGroup = true
            };

            if (!ExistsApiGroup(name))
            {
                ApiGroups.Add(apiGroup);
            }
        }
        /// <summary>
        /// 添加APi分组
        /// </summary>
        /// <param name="name">名称</param>
        public void AddApiGroupByCustomGroup(string name)
        {
            ApiGroupInfo apiGroup = GetApiGroup(name) ?? new ApiGroupInfo {
                Title = name, Name = name, Description = string.Empty, IsCustomGroup = true
            };

            apiGroup.AddItem(new ApiVersionInfo()
            {
                Name    = name,
                Version = string.Empty
            });
            if (!ExistsApiGroup(name))
            {
                ApiGroups.Add(apiGroup);
            }
        }
        /// <summary>
        /// 添加API分组
        /// </summary>
        /// <param name="title">标题</param>
        /// <param name="name">名称</param>
        /// <param name="description">描述</param>
        /// <param name="versionName">版本名称</param>
        /// <param name="version">版本号</param>
        public void AddApiGroup(string title, string name, string description, string versionName, string version)
        {
            ApiGroupInfo apiGroup = GetApiGroup(name) ?? new ApiGroupInfo {
                Title = title, Name = name, Description = description
            };

            apiGroup.AddItem(new ApiVersionInfo()
            {
                Name    = versionName,
                Version = version
            });
            if (!ExistsApiGroup(name))
            {
                ApiGroups.Add(apiGroup);
            }
        }