diff --git a/mens-api/src/main/java/kr/xit/biz/mbl/web/MobilePageController.java b/mens-api/src/main/java/kr/xit/biz/mbl/web/MobilePageController.java
index 50cf950..d6378b1 100644
--- a/mens-api/src/main/java/kr/xit/biz/mbl/web/MobilePageController.java
+++ b/mens-api/src/main/java/kr/xit/biz/mbl/web/MobilePageController.java
@@ -3,9 +3,14 @@ package kr.xit.biz.mbl.web;
 import javax.servlet.http.HttpServletRequest;
 
 import org.apache.commons.lang.StringUtils;
-import org.springframework.http.HttpMethod;
 import org.springframework.http.MediaType;
-import org.springframework.web.bind.annotation.*;
+import org.springframework.web.bind.annotation.ModelAttribute;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
 
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
@@ -15,6 +20,7 @@ import kr.xit.biz.ens.model.cntc.CntcDTO;
 import kr.xit.biz.ens.model.kt.KtTokenDTO;
 import kr.xit.biz.mbl.model.MobilePageDTO;
 import kr.xit.biz.mbl.service.IMobilePageService;
+import kr.xit.core.exception.BizRuntimeException;
 import kr.xit.core.model.IApiResponse;
 import lombok.RequiredArgsConstructor;
 
@@ -54,6 +60,11 @@ public class MobilePageController {
         value = {"/kko/mblPage"}, method = {RequestMethod.POST, RequestMethod.GET}, produces = MediaType.APPLICATION_JSON_VALUE)
     public IApiResponse findKkoMyDocReadyAndMblData(@ModelAttribute final MobilePageDTO.KakaoValidTokenRequest reqDTO) {
 
+        if((StringUtils.isEmpty(reqDTO.getDocumentBinderUuid()) && StringUtils.isEmpty(reqDTO.getEnvelopeId()))
+          || StringUtils.isEmpty(reqDTO.getToken())) {
+            throw BizRuntimeException.create("정상적인 요청이 아닙니다. 재인증 후 시도하시기 바랍니다.");
+        }
+
         if(StringUtils.isNotEmpty(reqDTO.getDocumentBinderUuid())) {
             return service.findKkopayReadyAndMblPage(reqDTO);
         }else{