diff --git a/src/main/java/com/eactive/eai/rms/ext/kjb/smsauth/SmsAuthService.java b/src/main/java/com/eactive/eai/rms/ext/kjb/smsauth/SmsAuthService.java
index 17deb65..4769cc8 100644
--- a/src/main/java/com/eactive/eai/rms/ext/kjb/smsauth/SmsAuthService.java
+++ b/src/main/java/com/eactive/eai/rms/ext/kjb/smsauth/SmsAuthService.java
@@ -7,6 +7,7 @@ import com.eactive.ext.kjb.common.KjbPropertyHolder;
 import com.eactive.ext.kjb.common.KjbUmsException;
 import com.eactive.ext.kjb.ums.KjbUmsService;
 import com.eactive.ext.kjb.ums.UmsBizWorkCode;
+import com.eactive.ext.kjb.ums.gson.IUmsGsonObject;
 import com.eactive.ext.kjb.ums.gson.VerifyPhoneUmsTemplate;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.StringUtils;
@@ -120,9 +121,8 @@ public class SmsAuthService {
             String guid = String.format("EAPIM_EMS-%s",
                     DateTimeFormatter.ofPattern("yyyyMMddHHmmssSSS").format(LocalDateTime.now()));
 
-            VerifyPhoneUmsTemplate content = VerifyPhoneUmsTemplate.builder()
-                    .authNumber(authCode)
-                    .build();
+            IUmsGsonObject content = null;
+            content = VerifyPhoneUmsTemplate.builder().authNumber(authCode).build();
 
             getUmsService().sendKakaoAlimTalk(guid, UmsBizWorkCode.VERIFY_PHONE, cleanedPhone, content);
             log.info("SMS 인증번호 발송 완료 - guid: {}, phone: {}****{}",