diff --git a/src/main/java/com/eactive/apim/portal/apps/commission/controller/CommissionController.java b/src/main/java/com/eactive/apim/portal/apps/commission/controller/CommissionController.java
index 4ca5ee7..2781e8a 100755
--- a/src/main/java/com/eactive/apim/portal/apps/commission/controller/CommissionController.java
+++ b/src/main/java/com/eactive/apim/portal/apps/commission/controller/CommissionController.java
@@ -64,6 +64,10 @@ public class CommissionController {
                 String obmUrl = portalPropertyService.getPortalPropertiesAsMap("Portal").getOrDefault("obp.obm.url", "");
                 String url = obmUrl + Constants.COMMISSION_PRINT_URL;
                 String result = externalService.getResponseHttpPost(url, toJson(search));
+                if (StringUtils.isEmpty(result)) {
+                    model.addAttribute("error", "외부 서버 연결에 실패하였습니다.");
+                    return "apps/commission/commissionPrint";
+                }
                 HashMap<String, Object> returnObj = new ObjectMapper().readValue(result, HashMap.class);
 
                 if (!StringUtils.isEmpty(returnObj.get("error"))) {
@@ -76,6 +80,10 @@ public class CommissionController {
                     log.debug("Found Together : " + search.getPartnerCode());
                     search.setPartnerCode("000002-02");
                     String togetherResult = externalService.getResponseHttpPost(url, toJson(search));
+                    if (StringUtils.isEmpty(togetherResult)) {
+                        model.addAttribute("error", "외부 서버 연결에 실패하였습니다.");
+                        return "apps/commission/commissionPrint";
+                    }
 
                     HashMap togetherLendingReturnObj = new ObjectMapper().readValue(togetherResult, HashMap.class);
                     log.debug("togetherLendingReturnObj : " + togetherLendingReturnObj.toString());
@@ -118,6 +126,9 @@ public class CommissionController {
                 String obmUrl = portalPropertyService.getPortalPropertiesAsMap("Portal").getOrDefault("obp.obm.url", "");
                 String url = obmUrl + Constants.COMMISSION_URL;
                 String result = externalService.getResponseHttpPost(url, toJson(search));
+                if (StringUtils.isEmpty(result)) {
+                    return ErrorUtil.create("fail.commission.serverError", "외부 서버 연결에 실패하였습니다.");
+                }
                 HashMap<String, Object> returnObj = new ObjectMapper().readValue(result, HashMap.class);
                 if (!StringUtils.isEmpty(returnObj.get("error"))) {
                     HashMap<String, Object> error = (HashMap) returnObj.get("error");
@@ -128,6 +139,9 @@ public class CommissionController {
                     log.debug("Found Together : " + search.getPartnerCode());
                     search.setPartnerCode("000002-02");
                     String togetherResult = externalService.getResponseHttpPost(url, toJson(search));
+                    if (StringUtils.isEmpty(togetherResult)) {
+                        return ErrorUtil.create("fail.commission.serverError", "외부 서버 연결에 실패하였습니다.");
+                    }
 
                     HashMap<String, Object> togetherLendingReturnObj = new ObjectMapper().readValue(togetherResult, HashMap.class);
                     log.debug("togetherLendingReturnObj : " + togetherLendingReturnObj.toString());