补充lite field 的order_Value

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

@@ -53,7 +53,7 @@ TARGET=PSSYSTEM
     <#if defield.getUnionKeyValue()?? && defield.getUnionKeyValue()!=''>
     "union_key":"${defield.getUnionKeyValue()}",
     </#if>
-    <#if defield.getOrderValue()?? && defield.getOrderValue()!=''>
+    <#if defield.getOrderValue?? && defield.getOrderValue()?? && defield.getOrderValue()!=''>
     "order_value":"${defield.getOrderValue()}",
     </#if>
     "major_field":<#if defield.isMajorDEField()==true>1<#else>0</#if>