<SRS> Add log.

@@ -43,6 +43,12 @@ public class MktCostReportFormServiceImpl implements IMktCostReportFormService {
         List<MktReportForm> mktReportFormList = mktReportFormDAO.selectMktReportFormByDateId(queryParam);
 
         Map<Integer, MktReportBean> resultMap = mergeData(appActiveList, mktReportFormList);
+        if (!resultMap.isEmpty()){
+            logger.info("getMktReportForm impl resultMap size is : " + resultMap.size());
+        } else {
+            logger.info("getMktReportForm impl resultMap size is : zero");
+        }
+
 
         MktReportFormRspBO rspBO = composingResult(resultMap);
 
@@ -129,6 +135,10 @@ public class MktCostReportFormServiceImpl implements IMktCostReportFormService {
     }
 
     private MktReportFormRspBO composingResult(Map<Integer, MktReportBean> resultMap){
+        if (null == resultMap){
+            return null;
+        }
+
         List<String> dateIdStrList = Lists.newArrayList();
         List<BigDecimal> totalActualCostList = Lists.newArrayList();
         List<BigDecimal> iosActualCostList = Lists.newArrayList();
@@ -197,7 +207,7 @@ public class MktCostReportFormServiceImpl implements IMktCostReportFormService {
 
             Integer androidNewUser = mktReportBean.getAndroidNewUdid() == null ? 0 : mktReportBean.getAndroidNewUdid();
             androidNewUserList.add(androidNewUser);
-            
+
             Integer totalNewUser = iosNewUser + androidNewUser;
             totalNewUserList.add(totalNewUser);