fix 增加null校验

Src/Dlhis.ScheduledTask/TaskAssignment/Response/SettlementSupplierPageResponse.cs

@@ -3,14 +3,20 @@ namespace Dlhis.ScheduledTask.TaskAssignment.Response;
 public class SettlementSupplierPageResponse
 {
     /// <summary>
-    /// YYYYMM
+    /// 对账日期
     /// </summary>
     public string SettleMonth { get; set; }
     
+    /// <summary>
+    /// 供应商名称
+    /// </summary>
     public string SupplierName { get; set; }
     
     public Guid BusinessPlaceCode { get; set; }
     
+    /// <summary>
+    /// 营业点
+    /// </summary>
     public string BusinessPlaceName { get; set; }
 
     /// <summary>
@@ -43,5 +49,9 @@ public class SettlementSupplierPageResponse
     public string TenantId { get; set; }
 
     public int CreatedBy { get; set; }
+    
+    /// <summary>
+    /// 操作人
+    /// </summary>
     public string Creator { get; set; }
 }