diff --git a/src/main/java/com/interplug/qcast/biz/object/ObjectService.java b/src/main/java/com/interplug/qcast/biz/object/ObjectService.java
index ac3ac90c..f66afc1a 100644
--- a/src/main/java/com/interplug/qcast/biz/object/ObjectService.java
+++ b/src/main/java/com/interplug/qcast/biz/object/ObjectService.java
@@ -378,6 +378,7 @@ public class ObjectService {
                 .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
         response = om.readValue(strResponse, PlanReqResponse.class);
 
+        @SuppressWarnings("unchecked")
         Map<String, Object> map = (Map<String, Object>) response.getResult();
         if ("E".equals(String.valueOf(map.get("resultCode")))) {
           throw new QcastException(ErrorCode.INTERNAL_SERVER_ERROR,
@@ -464,7 +465,8 @@ public class ObjectService {
                     .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
             response = om.readValue(strResponse, PlanReqResponse.class);
 
-            Map<String, Object> map = (Map<String, Object>) response.getResult();
+            @SuppressWarnings("unchecked")
+        Map<String, Object> map = (Map<String, Object>) response.getResult();
             if ("E".equals(String.valueOf(map.get("resultCode")))) {
               throw new QcastException(ErrorCode.INTERNAL_SERVER_ERROR,
                   String.valueOf(map.get("resultMsg")));
@@ -545,7 +547,8 @@ public class ObjectService {
                   .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
           response = om.readValue(strResponse, PlanReqResponse.class);
 
-          Map<String, Object> map = (Map<String, Object>) response.getResult();
+          @SuppressWarnings("unchecked")
+        Map<String, Object> map = (Map<String, Object>) response.getResult();
           if ("E".equals(String.valueOf(map.get("resultCode")))) {
             throw new QcastException(ErrorCode.INTERNAL_SERVER_ERROR,
                 String.valueOf(map.get("resultMsg")));