diff --git a/src/main/java/com/interplug/qcast/batch/estimate/EstimateSyncConfiguration.java b/src/main/java/com/interplug/qcast/batch/estimate/EstimateSyncConfiguration.java
index e6a340c6..801d0a73 100644
--- a/src/main/java/com/interplug/qcast/batch/estimate/EstimateSyncConfiguration.java
+++ b/src/main/java/com/interplug/qcast/batch/estimate/EstimateSyncConfiguration.java
@@ -4,6 +4,7 @@ import com.interplug.qcast.biz.estimate.EstimateService;
 import com.interplug.qcast.biz.estimate.dto.EstimateSyncResponse;
 import com.interplug.qcast.biz.estimate.dto.PlanSyncResponse;
 import com.interplug.qcast.util.InterfaceQsp;
+import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 import org.springframework.batch.core.Job;
@@ -77,7 +78,8 @@ public class EstimateSyncConfiguration implements JobExecutionListener {
   @Bean
   public ItemWriter<PlanSyncResponse> estimateSyncWriter() {
     return items -> {
-      estimateService.setEstimateSyncSave((List<PlanSyncResponse>) items.getItems());
+      List<PlanSyncResponse> planList = new ArrayList<>(items.getItems());
+      estimateService.setEstimateSyncSave(planList);
     };
   }
 }
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 d62ad457..b1a22c3c 100644
--- a/src/main/java/com/interplug/qcast/biz/estimate/EstimateService.java
+++ b/src/main/java/com/interplug/qcast/biz/estimate/EstimateService.java
@@ -20,7 +20,6 @@ import com.interplug.qcast.biz.canvaspopupstatus.CanvasPopupStatusService;
 import com.interplug.qcast.biz.canvaspopupstatus.dto.CanvasPopupStatus;
 import com.interplug.qcast.biz.estimate.dto.*;
 import com.interplug.qcast.biz.pwrGnrSimulation.dto.PwrGnrSimRoofResponse;
-import org.apache.commons.lang3.StringEscapeUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.apache.poi.ss.usermodel.Cell;
 import org.apache.poi.ss.usermodel.CellStyle;
@@ -32,7 +31,6 @@ import org.apache.poi.ss.usermodel.Workbook;
 import org.apache.poi.ss.usermodel.WorkbookFactory;
 import org.jsoup.nodes.Document;
 import org.jsoup.nodes.Element;
-import org.jxls.util.Util;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.http.HttpMethod;
@@ -1445,7 +1443,7 @@ public class EstimateService {
           InputStream imageInputStream = getClass().getResourceAsStream(imagePath);
 
           if (imageInputStream != null) {
-            byte[] degImg = Util.toByteArray(imageInputStream);
+            byte[] degImg = imageInputStream.readAllBytes();
             roofInfoResponse.setCompasDegImg(degImg);
             imageInputStream.close();
           } else {
@@ -2992,7 +2990,7 @@ public class EstimateService {
         }
       }
       try (InputStream imageInputStream = connection.getInputStream()) {
-        return Util.toByteArray(imageInputStream);
+        return imageInputStream.readAllBytes();
       }
     } catch (Exception e) {
       log.warn("Failed to load drawing image. url={}", url, e);