diff --git a/src/main/java/com/interplug/qcast/biz/estimate/EstimateService.java b/src/main/java/com/interplug/qcast/biz/estimate/EstimateService.java
index b1a22c3c..4621d767 100644
--- a/src/main/java/com/interplug/qcast/biz/estimate/EstimateService.java
+++ b/src/main/java/com/interplug/qcast/biz/estimate/EstimateService.java
@@ -1986,7 +1986,7 @@ public class EstimateService {
 
     if ("YJSS".equals(estimateType)) {
       pkgTotPrice = pkgAsp.multiply(totVol);
-      pkgTotPrice = pkgTotPrice.setScale(0, BigDecimal.ROUND_HALF_UP);
+      pkgTotPrice = pkgTotPrice.setScale(0, RoundingMode.HALF_UP);
       supplyPrice = supplyPrice.add(pkgTotPrice);
     }
 
@@ -1996,14 +1996,14 @@ public class EstimateService {
     totPrice = totPrice.add(supplyPrice.add(vatPrice));
 
     estimateResponse.setPkgTotPrice(String.valueOf(pkgTotPrice));
-    estimateResponse.setTotAmount(String.valueOf(totAmount.setScale(0, BigDecimal.ROUND_HALF_UP)));
+    estimateResponse.setTotAmount(String.valueOf(totAmount.setScale(0, RoundingMode.HALF_UP)));
     estimateResponse.setTotVol(String.valueOf(totVol));
     estimateResponse.setTotVolKw(String
-            .valueOf(totVol.multiply(new BigDecimal("0.001")).setScale(3, BigDecimal.ROUND_FLOOR)));
+            .valueOf(totVol.multiply(new BigDecimal("0.001")).setScale(3, RoundingMode.FLOOR)));
     estimateResponse
-            .setSupplyPrice(String.valueOf(supplyPrice.setScale(0, BigDecimal.ROUND_HALF_UP)));
-    estimateResponse.setVatPrice(String.valueOf(vatPrice.setScale(0, BigDecimal.ROUND_HALF_UP)));
-    estimateResponse.setTotPrice(String.valueOf(totPrice.setScale(0, BigDecimal.ROUND_HALF_UP)));
+            .setSupplyPrice(String.valueOf(supplyPrice.setScale(0, RoundingMode.HALF_UP)));
+    estimateResponse.setVatPrice(String.valueOf(vatPrice.setScale(0, RoundingMode.HALF_UP)));
+    estimateResponse.setTotPrice(String.valueOf(totPrice.setScale(0, RoundingMode.HALF_UP)));
   }
 
   private static final Set<String> EXCEL_ITEM_NUMBER_FIELDS = new HashSet<>(
@@ -2313,9 +2313,11 @@ public class EstimateService {
                         .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
         response = om.readValue(strResponse, EstimateApiResponse.class);
 
+        @SuppressWarnings("unchecked")
         Map<String, Object> result = (Map<String, Object>) response.getData();
 
         if (result != null) {
+          @SuppressWarnings("unchecked")
           List<Map<String, Object>> succList =
                   (List<Map<String, Object>>) result.get("successList");
           for (Map<String, Object> succ : succList) {