diff --git a/jsowell-admin/src/main/java/com/jsowell/service/MemberService.java b/jsowell-admin/src/main/java/com/jsowell/service/MemberService.java
index 789566e9c..12a103618 100644
--- a/jsowell-admin/src/main/java/com/jsowell/service/MemberService.java
+++ b/jsowell-admin/src/main/java/com/jsowell/service/MemberService.java
@@ -320,7 +320,7 @@ public class MemberService {
 		}
 		relation.setPhoneNumber(dto.getPhoneNumber());
 		if (StringUtils.isNotBlank(dto.getVinCode())) {
-			relation.setVinCode(dto.getVinCode());
+			relation.setVinCode(dto.getVinCode().toUpperCase(Locale.ROOT));
 			relation.setVinStatus("0");
 		}
 		memberPlateNumberRelationService.insertMemberPlateNumberRelation(relation);