补充lite主从关系

SLN/%PUBPRJ%-core/src/main/resources/sysmodel/%SYS%.json.ftl

@@ -44,7 +44,7 @@ TARGET=PSSYSTEM
     "predefined":"${defield.getPredefinedType()}",
     </#if>
     "key_field":<#if defield.isKeyDEField()==true>1<#else>0</#if>,
-    <#if defield.getUnionKeyValue()??>
+    <#if defield.getUnionKeyValue()?? && defield.getUnionKeyValue()!=''>
     "union_key":"${defield.getUnionKeyValue()}",
     </#if>
     "major_field":<#if defield.isMajorDEField()==true>1<#else>0</#if>
@@ -59,7 +59,7 @@ TARGET=PSSYSTEM
      "relation_type":"${majorPSDER.getDERType()}",
      "code_name":"${majorPSDER.getCodeName()}",
      "entity_name":"${majorPSDER.getMajorPSDataEntity().name}",
-     "ref_entity_name":"${majorPSDER.getMinorPSDataEntity().name}",
+     "ref_entity_name":"${majorPSDER.getMinorPSDataEntity().name}"
      <#--"nested_name":"",-->
      <#--"lookup":""-->
     }<#if majorPSDER_has_next>,</#if>
@@ -73,7 +73,7 @@ TARGET=PSSYSTEM
      "relation_type":"${minorPSDER.getDERType()}",
      "code_name":"${minorPSDER.getCodeName()}",
      "entity_name":"${minorPSDER.getMajorPSDataEntity().name}",
-     "ref_entity_name":"${minorPSDER.getMinorPSDataEntity().name}",
+     "ref_entity_name":"${minorPSDER.getMinorPSDataEntity().name}"
      <#--"nested_name":"",-->
      <#--"lookup":""-->
     }<#if minorPSDER_has_next>,</#if>