修改返回字段类型

src/Hotline.Api/Controllers/IdentityController.cs

@@ -105,7 +105,7 @@ jxrWXHbT1FB6DqkdOnBbQqS1Azqz5HxLlSyEK3F60e3SgB5iZsDZ
     [HttpGet("login-page-info")]
     public async Task<LoginPageInfoDto> LoginPageInfo()
     {
-        var SysName = _systemSettingCacheManager.GetSetting(SettingConstants.SysName).SettingValue;
+        var SysName = _systemSettingCacheManager.GetSetting(SettingConstants.SysName).SettingValue?.FirstOrDefault();
         var loginImage = _systemSettingCacheManager.GetSetting(SettingConstants.LoginImage).SettingValue?.FirstOrDefault();
         var changePwdImage = _systemSettingCacheManager.GetSetting(SettingConstants.ChangePwdImage).SettingValue?.FirstOrDefault();
         var faviconImage = _systemSettingCacheManager.GetSetting(SettingConstants.FaviconImage).SettingValue?.FirstOrDefault();

src/Hotline.Share/Dtos/Identity/LoginDto.cs

@@ -16,7 +16,7 @@ namespace Hotline.Share.Dtos.Identity
     public class LoginPageInfoDto
     {
 
-        public List<string> SysName { get; set; }
+        public string SysName { get; set; }
 
         /// <summary>
         /// 首页图片