lxm--表单项更新置空bug修复

APP/src/service/%DE_PKGPATH%/%APP_DELOGIC%-logic-base.ts.ftl

@@ -23,7 +23,7 @@ import { Verify } from '@/utils/verify/verify';
         Object.assign(params,{${logicparam.getDstFieldName()?lower_case}:<#if logicparam.getSrcFieldName()?? && logicparam.getSrcFieldName() != "">params.${logicparam.getSrcFieldName()?lower_case}<#else>params.${logicparam.getDstFieldName()?lower_case}</#if>});
         <#if logicparam.getDstPSDELogicParam?? && logicparam.getDstPSDELogicParam()?? && logicparam.getDstPSDELogicParam().getParamPSAppDataEntity()??>
         <#if logicparam.getSrcFieldName()?lower_case?contains("id") >
-        Object.assign(context,{${logicparam.getDstPSDELogicParam().getParamPSAppDataEntity().getCodeName()?lower_case}:params.${logicparam.getSrcFieldName()?lower_case}});
+        Object.assign(context,{${logicparam.getDstPSDELogicParam().getParamPSAppDataEntity().getCodeName()?lower_case}:params.${logicparam.getSrcFieldName()?lower_case} ? params.${logicparam.getSrcFieldName()?lower_case} : null});
         </#if>
         </#if>
 </#if>