diff --git a/web/App_Code/api/FollowerController.cs b/web/App_Code/api/FollowerController.cs
index 6373c90..872eeff 100644
--- a/web/App_Code/api/FollowerController.cs
+++ b/web/App_Code/api/FollowerController.cs
@@ -94,7 +94,7 @@ public class FollowerController : ApiController
     {
         if (!string.IsNullOrEmpty(nums))
         {
-            var getDelItem = nums.TrimEnd(',').Split(',').Select(s => int.Parse(s));
+            var getDelItem = nums.TrimEnd(',').Split(',').Select(s => int.Parse(s)).ToList();
 
             var prod = _db.followers.Where(q => getDelItem.Contains(q.num)).ToList();
             if (prod.Count() > 0)
diff --git a/web/App_Code/api/accountingController.cs b/web/App_Code/api/accountingController.cs
index af5f598..44ea0c4 100644
--- a/web/App_Code/api/accountingController.cs
+++ b/web/App_Code/api/accountingController.cs
@@ -89,7 +89,7 @@ public class accountingController : BaseApiController
     {
         if (!string.IsNullOrEmpty(nums))
         {
-            var getDelItem = nums.TrimEnd(',').Split(',').Select(s => int.Parse(s));
+            var getDelItem = nums.TrimEnd(',').Split(',').Select(s => int.Parse(s)).ToList();
 
             var prod = _db.accountings.Where(q => getDelItem.Contains(q.num)).ToList();
             if (prod.Count() > 0)
diff --git a/web/App_Code/api/memberController.cs b/web/App_Code/api/memberController.cs
index 79d57ce..0be0c1a 100644
--- a/web/App_Code/api/memberController.cs
+++ b/web/App_Code/api/memberController.cs
@@ -93,7 +93,7 @@ public class memberController : BaseApiController
     {
         if (!string.IsNullOrEmpty(nums))
         {
-            var getDelItem = nums.TrimEnd(',').Split(',').Select(s => int.Parse(s));
+            var getDelItem = nums.TrimEnd(',').Split(',').Select(s => int.Parse(s)).ToList();
 
             var prod = _db.members.Where(q => getDelItem.Contains(q.num)).ToList();
             if (prod.Count() > 0)
@@ -135,7 +135,7 @@ public class memberController : BaseApiController
     {
         if (!string.IsNullOrEmpty(nums))
         {
-            var ids = nums.TrimEnd(',').Split(',').Select(s => int.Parse(s));
+            var ids = nums.TrimEnd(',').Split(',').Select(s => int.Parse(s)).ToList();
             var prod = _db.member_check.Where(q => ids.Contains(q.num)).ToList();
             if (prod.Count() > 0)
             {
diff --git a/web/App_Code/api/stockController.cs b/web/App_Code/api/stockController.cs
index fc38c8c..015d842 100644
--- a/web/App_Code/api/stockController.cs
+++ b/web/App_Code/api/stockController.cs
@@ -85,7 +85,7 @@ public class stockController : BaseApiController
     {
         if (!string.IsNullOrEmpty(nums))
         {
-            var getDelItem = nums.TrimEnd(',').Split(',').Select(s => int.Parse(s));
+            var getDelItem = nums.TrimEnd(',').Split(',').Select(s => int.Parse(s)).ToList();
             var prod = _db.stocks.Where(q => getDelItem.Contains(q.num)).ToList();
             if (prod.Count() > 0)
             {