diff --git a/src/main/java/com/glxp/api/service/basic/UdiContrastService.java b/src/main/java/com/glxp/api/service/basic/UdiContrastService.java
index 3778889c1..fe264e5d2 100644
--- a/src/main/java/com/glxp/api/service/basic/UdiContrastService.java
+++ b/src/main/java/com/glxp/api/service/basic/UdiContrastService.java
@@ -446,7 +446,7 @@ public class UdiContrastService {
                 udiProductEntity.setCpmctymc(CopyUtils.copyNullStr(udiProductEntity.getCpmctymc(), thirdAliDrug.getCpmctymc()));
                 udiProductEntity.setSpmc(CopyUtils.copyNullStr(udiProductEntity.getSpmc(), thirdAliDrug.getSpmc()));
 
-                udiProductEntity.setBzgg(CopyUtils.copyNullStr(udiProductEntity.getBzgg(), thirdAliDrug.getBzgg()));
+                udiProductEntity.setBzgg(CopyUtils.copyNullStr(thirdAliDrug.getBzgg(), udiProductEntity.getBzgg()));
                 udiProductEntity.setPackRatio(CopyUtils.copyNullStr(udiProductEntity.getPackRatio(), thirdAliDrug.getPackRatio()));
                 //最小产品单位
                 udiProductEntity.setPackUnit(CopyUtils.copyNullStr(udiProductEntity.getPackUnit(), thirdAliDrug.getPackUnitName()));