diff --git a/epmet-user/epmet-user-server/src/main/java/com/epmet/excel/handler/IcNatExcelImportListener.java b/epmet-user/epmet-user-server/src/main/java/com/epmet/excel/handler/IcNatExcelImportListener.java
index ebfb593947..1d06cd6b0d 100644
--- a/epmet-user/epmet-user-server/src/main/java/com/epmet/excel/handler/IcNatExcelImportListener.java
+++ b/epmet-user/epmet-user-server/src/main/java/com/epmet/excel/handler/IcNatExcelImportListener.java
@@ -60,7 +60,8 @@ public class IcNatExcelImportListener implements ReadListener<IcNatImportExcelDa
             // 先校验数据
             ValidatorUtils.validateEntity(data);
 
-            String natResult = "0";
+            // 默认空，没有结果
+            String natResult = "";
             String natResultZh = data.getNatResultZh();
             if (StringUtils.isNotBlank(natResultZh)) {
                 natResult = natResultZh.equals("阴性") ? "0" : "1";