diff --git a/base-buildpackage/src/main/java/com/hzya/frame/plugin/zjmaterielsynchronizationevent/service/impl/ZjMaterielSynchronizationEventServiceImpl.java b/base-buildpackage/src/main/java/com/hzya/frame/plugin/zjmaterielsynchronizationevent/service/impl/ZjMaterielSynchronizationEventServiceImpl.java
index 4525347d..c12997ae 100644
--- a/base-buildpackage/src/main/java/com/hzya/frame/plugin/zjmaterielsynchronizationevent/service/impl/ZjMaterielSynchronizationEventServiceImpl.java
+++ b/base-buildpackage/src/main/java/com/hzya/frame/plugin/zjmaterielsynchronizationevent/service/impl/ZjMaterielSynchronizationEventServiceImpl.java
@@ -353,12 +353,12 @@ public class ZjMaterielSynchronizationEventServiceImpl extends BaseService<ZjMat
                     if(maxnum == null){
                         entity.setDataSourceCode(zju8);
                         String num = zjMaterielSynchronizationEventDao.queryMaxLsh(entity);
-                        num = num.substring(entity.getField0043code().length()+1,entity.getField0043code().length()+4);
+                        num = num.substring(entity.getField0043code().length(),entity.getField0043code().length()+4);
                         maxnum = Integer.valueOf(num);
                     }
-                    String formattedNum = String.format("%03d", ++maxnum);
+                    String formattedNum = String.format("%04d", ++maxnum);
                     lsh.put(entity.getField0043code(),maxnum);
-                    wlcode.append(entity.getField0043code()).append("0").append(formattedNum);
+                    wlcode.append(entity.getField0043code()).append(formattedNum);
                     if(entity.getField0008code() != null && !"".equals(entity.getField0008code())){
                         wlcode.append("01");
                     }else {