diff --git a/IRaCIS.Core.Application/Helper/FileDocProcess/ExcelExportHelper.cs b/IRaCIS.Core.Application/Helper/FileDocProcess/ExcelExportHelper.cs
index 12d0b97f1..48700c78c 100644
--- a/IRaCIS.Core.Application/Helper/FileDocProcess/ExcelExportHelper.cs
+++ b/IRaCIS.Core.Application/Helper/FileDocProcess/ExcelExportHelper.cs
@@ -64,7 +64,7 @@ public static class ExcelExportHelper
             foreach (var key in dic.Keys)
             {
                 //是数组 那么找到对应的属性 进行翻译
-                if (dic[key].GetType().GetInterfaces().Any(i => i.IsGenericType && i.GetGenericTypeDefinition() == typeof(IList<>)))
+                if (dic[key]!=null && dic[key].GetType().GetInterfaces().Any(i => i.IsGenericType && i.GetGenericTypeDefinition() == typeof(IList<>)))
                 {
 
                     var newObjList = new List<object>();