diff --git a/web/App_Code/api/activityController.cs b/web/App_Code/api/activityController.cs
index 3f715c2..dc3ec19 100644
--- a/web/App_Code/api/activityController.cs
+++ b/web/App_Code/api/activityController.cs
@@ -224,7 +224,7 @@ public class activityController : ApiController
     public IHttpActionResult GetList([FromBody] Model.ViewModel.activity q, int page, int pageSize = 10,
      string sortBy = "", bool sortDesc = false)
     {
-        var qry = _db.activities.AsQueryable();
+        var qry = _db.activities.AsEnumerable();
         if (!string.IsNullOrEmpty(q.subject))
             qry = qry.Where(o => o.subject.Contains(q.subject));
         if (q.kind.HasValue && q.kind > 0)
@@ -281,10 +281,10 @@ public class activityController : ApiController
             qry = qry.OrderByDescending(o => o.num);
 
         var count = qry.Count(); //pageSize = count;//一次取回??
-        if (pageSize > 0) qry = qry.ToPagedList(page, pageSize);
+        var qryList = (pageSize > 0) ? qry.ToPagedList(page, pageSize).ToList() : qry.ToList();
         var ret = new
         {
-            list = qry.Select(x => new
+            list = qryList.Select(x => new
             {
                 num = x.num,
                 subject = x.subject,
@@ -348,7 +348,7 @@ public class activityController : ApiController
 
 
         ////var qry = _db.actItems.Where(a => a.IsDel == false).AsEnumerable();////不確定是否新增欄位? 先註解
-        var qry = _db.actItems.AsQueryable();
+        var qry = _db.actItems.AsEnumerable();
 
         if (!string.IsNullOrEmpty(q.subject))
             qry = qry.Where(o => o.subject.Contains(q.subject.Trim()));
@@ -364,7 +364,7 @@ public class activityController : ApiController
 
         }
         if (!string.IsNullOrEmpty(q.kindTxt))
-            qry = qry.Where(o => o.actItem_kind?.kind != null && o.actItem_kind.kind.Contains(q.kindTxt));
+            qry = qry.Where(o => o.actItem_kind != null && o.actItem_kind.kind != null && o.actItem_kind.kind.Contains(q.kindTxt));
         if (q.category.HasValue && q.category.Value > 0)
             qry = qry.Where(o => o.category == q.category.Value);
         if (!string.IsNullOrEmpty(q.categorys))
@@ -410,10 +410,10 @@ public class activityController : ApiController
 
         var tdesc = publicFun.enum_desc<Model.activity.category>();
         var count = qry.Count(); //pageSize = count;//一次取回??
-        if (pageSize > 0) qry = qry.ToPagedList(page, pageSize);
+        var qryList = (pageSize > 0) ? qry.ToPagedList(page, pageSize).ToList() : qry.ToList();
         var ret = new
         {
-            list = qry.Select(x => new
+            list = qryList.Select(x => new
             {
                 num = x.num,
                 subject = x.subject,
@@ -731,16 +731,15 @@ public class activityController : ApiController
         if (this_id > 0)
         {
             //檢查
-            var qry = _db.activity_kind_detail.AsQueryable();
-            qry = qry.Where(o => o.activity_kind_num == this_id);
+            var qry = _db.activity_kind_detail.Where(o => o.activity_kind_num == this_id);
             int i = 1;
 
             //已有值
             var count = qry.Count(); //pageSize = count;//一次取回??
-            if (pageSize > 0) qry = qry.ToPagedList(page, pageSize);
+            var qryList = (pageSize > 0) ? qry.ToPagedList(page, pageSize).ToList() : qry.ToList();
             var ret = new
             {
-                list = qry.Select(x => new
+                list = qryList.Select(x => new
                 {
                     id = i++,
                     num = x.num,
@@ -927,13 +926,12 @@ public class activityController : ApiController
                     if (kind > 0)
                     {
                         int i = 1;
-                        var qry2 = _db.activity_kind_detail.AsQueryable();
-                        qry2 = qry2.Where(o => o.activity_kind_num == kind);
+                        var qry2 = _db.activity_kind_detail.Where(o => o.activity_kind_num == kind);
                         var count2 = qry2.Count(); //pageSize = count2;//一次取回??
-                        if (pageSize > 0) qry2 = qry2.ToPagedList(page, pageSize);
+                        var qry2List = (pageSize > 0) ? qry2.ToPagedList(page, pageSize).ToList() : qry2.ToList();
                         var ret = new
                         {
-                            list = qry2.Select(x => new
+                            list = qry2List.Select(x => new
                             {
                                 id = i++,
                                 num = 0,
@@ -1176,18 +1174,15 @@ public class activityController : ApiController
 
                 int kind = prod.kind ?? 0; //分類
 
-                var qry1 = _db.activity_spares.AsQueryable();
-                qry1 = qry1.Where(o => o.activity_num == this_act_id);
-
-                qry1 = qry1.OrderBy(o => o.num);
+                var qry1 = _db.activity_spares.Where(o => o.activity_num == this_act_id).OrderBy(o => o.num);
 
 
                 var count = qry1.Count(); //pageSize = count;//一次取回??
                 int i = 1;
-                if (pageSize > 0) qry1 = qry1.ToPagedList(page, pageSize);
+                var qry1List = (pageSize > 0) ? qry1.ToPagedList(page, pageSize).ToList() : qry1.ToList();
                 var ret = new
                 {
-                    list = qry1.Select(x => new
+                    list = qry1List.Select(x => new
                     {
                         id = i++,
                         num = x.num,
@@ -1331,7 +1326,7 @@ public class activityController : ApiController
      string sortBy = "", bool sortDesc = false)
     {
 
-        var qry = _db.activity_check.AsQueryable();
+        var qry = _db.activity_check.AsEnumerable();
 
         if (!string.IsNullOrEmpty(q.activityTxt))
             qry = qry.Where(o => o.activity.subject.Contains(q.activityTxt.Trim()));
@@ -1388,10 +1383,10 @@ public class activityController : ApiController
 
         var tdesc = publicFun.enum_desc<Model.activity_check.keyin1>();
         var count = qry.Count(); //pageSize = count;//一次取回??
-        if (pageSize > 0) qry = qry.ToPagedList(page, pageSize);
+        var qryList = (pageSize > 0) ? qry.ToPagedList(page, pageSize).ToList() : qry.ToList();
         var ret = new
         {
-            list = qry.Select(x => new
+            list = qryList.Select(x => new
             {
                 num = x.num,
                 subject = x.activity?.subject,
@@ -1466,7 +1461,7 @@ public class activityController : ApiController
             qry = qry.Where(o => o.reg_time < Convert.ToDateTime(q.reg_time2.Value).AddDays(1));
 
 
-        qry = qry.Where(o => (_now >= o.startDate_solar && _now < o.endDate_lunar) || (_now < o.startDate_solar && o.dueDate?.Date.CompareTo(_now) <= 180));
+        qry = qry.Where(o => (_now >= o.startDate_solar && _now < o.endDate_lunar) || (_now < o.startDate_solar && o.dueDate.HasValue && o.dueDate.Value.Date.CompareTo(_now) <= 180));
 
         qry = qry.OrderByDescending(o => o.num);
 
@@ -1518,10 +1513,10 @@ public class activityController : ApiController
         qry = qry.OrderBy(O => O.kind).ThenBy(o => o.num);
 
         var count = qry.Count(); //pageSize = count;//一次取回??
-        if (pageSize > 0) qry = qry.ToPagedList(page, pageSize);
+        var qryList = (pageSize > 0) ? qry.ToPagedList(page, pageSize).ToList() : qry.ToList();
         var ret = new
         {
-            list = qry.Select(x => new
+            list = qryList.Select(x => new
             {
                 num = x.num,
                 kind = x.kind,
diff --git a/web/App_Code/api/orderController.cs b/web/App_Code/api/orderController.cs
index c0ba040..8c8501b 100644
--- a/web/App_Code/api/orderController.cs
+++ b/web/App_Code/api/orderController.cs
@@ -220,32 +220,32 @@ public class orderController : ApiController
         if (!string.IsNullOrEmpty(q.address))
             qry = qry.Where(o => o.address.Contains(q.address.Trim()));
         if (!string.IsNullOrEmpty(q.subject))
-            qry = qry.Where(o => o.activity_num.HasValue && o.activity.subject.Contains(q.subject?.Trim()));
+            qry = qry.Where(o => o.activity_num.HasValue && o.activity.subject.Contains(q.subject.Trim()));
         if (!string.IsNullOrEmpty(q.u_name))
-            qry = qry.Where(o => o.f_num.HasValue && o.follower.u_name.Contains(q.u_name?.Trim()));
+            qry = qry.Where(o => o.f_num.HasValue && o.follower.u_name.Contains(q.u_name.Trim()));
         if (!string.IsNullOrEmpty(q.introducerTxt))
-            qry = qry.Where(o => o.introducer.HasValue && o.follower1.u_name.Contains(q.introducerTxt?.Trim()));
+            qry = qry.Where(o => o.introducer.HasValue && o.follower1.u_name.Contains(q.introducerTxt.Trim()));
 
         if (!string.IsNullOrEmpty(q.actItemTxt))
         {
             //qry = qry.Where(o => o.pro_order_detail.Where(f2 => f2.order_no == o.order_no &&  aIDt.ToArray().Contains(f2.actItem_num?.ToString())).Count() > 0);
             // qry = qry.Where(o => o.pro_order_detail.Where(f2 => f2.order_no == o.order_no && aIDt.Any(x => x == f2.actItem_num)).Count() > 0);
 
-            qry = qry.Where(o => o.pro_order_detail.Where(f2 => f2.actItem_num.HasValue && f2.actItem.subject.Contains(q.actItemTxt?.Trim())).Count() > 0);
+            qry = qry.Where(o => o.pro_order_detail.Where(f2 => f2.actItem_num.HasValue && f2.actItem.subject.Contains(q.actItemTxt.Trim())).Count() > 0);
 
         }
 
         if (!string.IsNullOrEmpty(q.country))
-            qry = qry.Where(o => o.f_num != null && o.follower?.country == q.country);
+            qry = qry.Where(o => o.f_num != null && o.follower != null && o.follower.country == q.country);
         if (!string.IsNullOrEmpty(q.country2))
         {
             if (q.country2 == "1")
             {
-                qry = qry.Where(o => o.f_num != null && o.follower?.country == "158");
+                qry = qry.Where(o => o.f_num != null && o.follower != null && o.follower.country == "158");
             }
             else if (q.country2 == "2")
             {
-                qry = qry.Where(o => o.f_num != null && o.follower?.country != "158");
+                qry = qry.Where(o => o.f_num != null && o.follower != null && o.follower.country != "158");
 
             }
         }
@@ -275,16 +275,16 @@ public class orderController : ApiController
         else if (sortBy.Equals("u_name"))
         {
             if (sortDesc)
-                qry = qry.OrderByDescending(o => o.follower?.u_name);
+                qry = qry.OrderByDescending(o => o.follower != null ? o.follower.u_name : "");
             else
-                qry = qry.OrderBy(o => o.follower?.u_name);
+                qry = qry.OrderBy(o => o.follower != null ? o.follower.u_name : "");
         }
         else if (sortBy.Equals("subject"))
         {
             if (sortDesc)
-                qry = qry.OrderByDescending(o => o.activity?.subject);
+                qry = qry.OrderByDescending(o => o.activity != null ? o.activity.subject : "");
             else
-                qry = qry.OrderBy(o => o.activity?.subject);
+                qry = qry.OrderBy(o => o.activity != null ? o.activity.subject : "");
         }
         else
             qry = qry.OrderByDescending(o => o.reg_time);
@@ -802,7 +802,7 @@ public class orderController : ApiController
 
                 //家族 : 家長是我的人,跟我同家長的人,我的家長本人,我本人
                 var ccList = _db.followers.Where(x => x.num == _follower || x.leader == _follower).Select(x => x.num).ToList();
-                var qry = _db.followers.Where(f => ccList.Contains(f.num) || ccList.Contains(f.leader));
+                var qry = _db.followers.Where(f => ccList.Contains(f.num) || (f.leader.HasValue && ccList.Contains(f.leader.Value)));
 
                 //未付款資料
                 var unpayDt = _db.pro_order_detail.AsQueryable();
diff --git a/web/App_Code/appapi/apporderController.cs b/web/App_Code/appapi/apporderController.cs
index ed81626..94b5571 100644
--- a/web/App_Code/appapi/apporderController.cs
+++ b/web/App_Code/appapi/apporderController.cs
@@ -199,7 +199,7 @@ public class apporderController : ApiController
      string sortBy = "", bool sortDesc = false)
     {      
 
-        var qry = _db.pro_order.AsQueryable();
+        var qry = _db.pro_order.AsEnumerable();
         //var aIDt = _db.actItems.Where(f => f.subject.Contains(q.actItemTxt.Trim())).Select(f => f.num);//品項
 
 
@@ -218,32 +218,32 @@ public class apporderController : ApiController
         if (!string.IsNullOrEmpty(q.address))
             qry = qry.Where(o => o.address.Contains(q.address.Trim()));
         if (!string.IsNullOrEmpty(q.subject))
-            qry = qry.Where(o => o.activity_num.HasValue && o.activity.subject.Contains(q.subject?.Trim()));
+            qry = qry.Where(o => o.activity_num.HasValue && o.activity.subject.Contains(q.subject.Trim()));
         if (!string.IsNullOrEmpty(q.u_name))
-            qry = qry.Where(o => o.f_num.HasValue && o.follower.u_name.Contains(q.u_name?.Trim()));
+            qry = qry.Where(o => o.f_num.HasValue && o.follower.u_name.Contains(q.u_name.Trim()));
         if (!string.IsNullOrEmpty(q.introducerTxt))
-            qry = qry.Where(o => o.introducer.HasValue && o.follower1.u_name.Contains(q.introducerTxt?.Trim()));
+            qry = qry.Where(o => o.introducer.HasValue && o.follower1.u_name.Contains(q.introducerTxt.Trim()));
 
         if (!string.IsNullOrEmpty(q.actItemTxt))
         {
             //qry = qry.Where(o => o.pro_order_detail.Where(f2 => f2.order_no == o.order_no &&  aIDt.ToArray().Contains(f2.actItem_num?.ToString())).Count() > 0);
            // qry = qry.Where(o => o.pro_order_detail.Where(f2 => f2.order_no == o.order_no && aIDt.Any(x => x == f2.actItem_num)).Count() > 0);
 
-            qry = qry.Where(o => o.pro_order_detail.Where(f2 => f2.actItem_num.HasValue && f2.actItem.subject.Contains(q.actItemTxt?.Trim())).Count() > 0);
+            qry = qry.Where(o => o.pro_order_detail.Where(f2 => f2.actItem_num.HasValue && f2.actItem.subject.Contains(q.actItemTxt.Trim())).Count() > 0);
 
         }
 
         if (!string.IsNullOrEmpty(q.country))
-            qry = qry.Where(o => o.f_num != null && o.follower?.country == q.country);
+            qry = qry.Where(o => o.f_num != null && o.follower != null && o.follower.country == q.country);
         if (!string.IsNullOrEmpty(q.country2))
         {
             if (q.country2 == "1")
             {
-                qry = qry.Where(o => o.f_num != null && o.follower?.country == "158");
+                qry = qry.Where(o => o.f_num != null && o.follower != null && o.follower.country == "158");
             }
             else if (q.country2 == "2")
             {
-                qry = qry.Where(o => o.f_num != null && o.follower?.country != "158");
+                qry = qry.Where(o => o.f_num != null && o.follower != null && o.follower.country != "158");
 
             }
         }