diff --git a/code/src/Modules/SettleAccount/src/SettleAccount.Job/Services/Report/MaiDanBBACSaSeCompareExportService.cs b/code/src/Modules/SettleAccount/src/SettleAccount.Job/Services/Report/MaiDanBBACSaSeCompareExportService.cs
index 356a5623..06c042c0 100644
--- a/code/src/Modules/SettleAccount/src/SettleAccount.Job/Services/Report/MaiDanBBACSaSeCompareExportService.cs
+++ b/code/src/Modules/SettleAccount/src/SettleAccount.Job/Services/Report/MaiDanBBACSaSeCompareExportService.cs
@@ -209,8 +209,8 @@ namespace SettleAccount.Job.Services.Report
                 threeMatchHaveSaHaveSes.AddRange(threeMatchHaveSaHaveSesItem);
             }
 
-            saSeCompareDiffs.RemoveAll(t => t.Category == EnumPubSaSeCompareCategory.NotHaveSaHaveSe && matchPNs.ContainsKey(t.PN));
-            saSeCompareDiffs.RemoveAll(t => t.Category == EnumPubSaSeCompareCategory.HaveSaNotHaveSe && matchPNs.ContainsValue(t.PN));
+            saSeCompareDiffs.RemoveAll(t => t.Category == EnumPubSaSeCompareCategory.NotHaveSaHaveSe && !string.IsNullOrEmpty(t.PN) && matchPNs.ContainsKey(t.PN));
+            saSeCompareDiffs.RemoveAll(t => t.Category == EnumPubSaSeCompareCategory.HaveSaNotHaveSe && !string.IsNullOrEmpty(t.PN) && matchPNs.ContainsValue(t.PN));
 
             saSeCompareDiffs.AddRange(threeMatchHaveSaHaveSes);