update

TEAMModelOS.SDK/Models/Service/Common/ActivityService.cs

@@ -562,11 +562,11 @@ namespace TEAMModelOS.SDK
             //先获取邀请制的
             string sqlInvite = $"select value c from c join t in c.inviteTeachers where   t.id='{tmdid}' and c.pk='ActivityTeacher'";
             var result = await _azureCosmos.GetCosmosClient().GetContainer(Constant.TEAMModelOS, Constant.Teacher).GetList<ActivityTeacher>(sqlInvite);
-            inviteActivityIds= result.list.Select(z => z.activityId).ToHashSet();
+            inviteActivityIds= result.list.Where(x=>!string.IsNullOrWhiteSpace(x.activityId)).Select(z => z.activityId).ToHashSet();
             if (inviteActivityIds.Count>0)
             {
                 string sqlActivity = $"select value c from c  where c.id in ({string.Join(",", inviteActivityIds.Select(z => $"'{z}'"))}) {yearSql} ";
-                var resultActivity = await _azureCosmos.GetCosmosClient().GetContainer(Constant.TEAMModelOS, Constant.Common).GetList<TeacherActivityDto>(sqlInvite, "Activity");
+                var resultActivity = await _azureCosmos.GetCosmosClient().GetContainer(Constant.TEAMModelOS, Constant.Common).GetList<TeacherActivityDto>(sqlActivity, "Activity");
                 if (resultActivity.list.IsNotEmpty())
                 {
                     activities.AddRange(resultActivity.list);