diff --git a/APT.MicroApi/APT.FO.WebApi/Controllers/CrucialLicenseJobOutsourceController.cs b/APT.MicroApi/APT.FO.WebApi/Controllers/CrucialLicenseJobOutsourceController.cs
index a294d06..eb9b15b 100644
--- a/APT.MicroApi/APT.FO.WebApi/Controllers/CrucialLicenseJobOutsourceController.cs
+++ b/APT.MicroApi/APT.FO.WebApi/Controllers/CrucialLicenseJobOutsourceController.cs
@@ -323,7 +323,7 @@ namespace APT.FO.WebApi.Controllers
                         var curentApprove = appdetails.FirstOrDefault(i => i.APPROVE_USER_ID == applyUserId);
                         if (curentApprove != null)
                         {
-                            var removeApprove = appdetails.Where(i => i.NUM < curentApprove.NUM && i.NODE_APPROVE_STATUS == (int)NodeApproveStatus.Doing);
+                            var removeApprove = appdetails.Where(i => i.NUM < curentApprove.NUM && i.NODE_APPROVE_STATUS == (int)NodeApproveStatus.Doing).ToList();
                             if (removeApprove != null && removeApprove.Any())
                             {
                                 foreach (var item in removeApprove)