diff --git a/src/main/java/com/xujie/sys/modules/ecss/service/impl/CoDelExcelTXServiceImpl.java b/src/main/java/com/xujie/sys/modules/ecss/service/impl/CoDelExcelTXServiceImpl.java
index 7cd8278b..b45cd4ef 100644
--- a/src/main/java/com/xujie/sys/modules/ecss/service/impl/CoDelExcelTXServiceImpl.java
+++ b/src/main/java/com/xujie/sys/modules/ecss/service/impl/CoDelExcelTXServiceImpl.java
@@ -132,6 +132,10 @@ public class CoDelExcelTXServiceImpl implements CoDelExcelTXService {
                 headerMap.put(headerName, j);
             }
         }
+        if (!headerMap.containsKey("发票号")) {
+            log.info("TX预览跳过sheet: sheetName={}, reason=缺少发票号列", sheet.getSheetName());
+            return null;
+        }
         validateTxImportHeaders(headerMap, sheet.getSheetName());
 
         String cmcInvoice = "";
@@ -498,6 +502,10 @@ public class CoDelExcelTXServiceImpl implements CoDelExcelTXService {
                 headerMap.put(headerName, j);
             }
         }
+        if (!headerMap.containsKey("发票号")) {
+            log.info("TX导入跳过sheet: sheetName={}, reason=缺少发票号列", sheet.getSheetName());
+            return;
+        }
         // 检查导入表头：必须与程序定义一致
         validateTxImportHeaders(headerMap, sheet.getSheetName());