diff --git a/Learun.Framework.Ultimate V7/Learun.Application.WebApi/Modules/Arrangelesson.cs b/Learun.Framework.Ultimate V7/Learun.Application.WebApi/Modules/Arrangelesson.cs
index 229932095..118371e1e 100644
--- a/Learun.Framework.Ultimate V7/Learun.Application.WebApi/Modules/Arrangelesson.cs	
+++ b/Learun.Framework.Ultimate V7/Learun.Application.WebApi/Modules/Arrangelesson.cs	
@@ -144,7 +144,7 @@ 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);
         }