头像空处理

Learun.Framework.Ultimate V7/Learun.Application.WebApi/Modules/Arrangelesson.cs

@@ -162,7 +162,7 @@ namespace Learun.Application.WebApi.Modules
                 m.F_Account,
                 Year = "20" + stuInfoBasicIbll.GetStuInfoBasicEntityByStuNo(m.F_Account)?.Grade,
                 m.F_IdentityCardNo,
-                F_HeadIcon= webrootpath + m.F_HeadIcon
+                F_HeadIcon= webrootpath + m?.F_HeadIcon
             });
             return Success(result);
         }