完善关键零部件型号申请流程

laws-modules/src/main/java/com/jero/modules/activiti/process/part/service/impl/ProcessPartTypeApplyRecordServiceImpl.java

@@ -136,7 +136,12 @@ public class ProcessPartTypeApplyRecordServiceImpl extends ServiceImpl<ProcessPa
                 partRelevanceType = lawsPartRelevance.getSystemCode() + "AAA";
             }else{
                 String str = max.getPartRelevanceType().replace(lawsPartRelevance.getSystemCode(),"");
-                partRelevanceType = lawsPartRelevance.getSystemCode() + generateNext(str);
+                if(StringUtils.isEmpty(str)){
+                    partRelevanceType = lawsPartRelevance.getSystemCode() + "AAA";
+                }else{
+                    partRelevanceType = lawsPartRelevance.getSystemCode() + generateNext(str);
+                }
+
             }
         }else{
             // 型号型式不是奇瑞型号的，设计工程师手填