diff --git a/src/main/java/com/loafle/overflow/central/module/member/service/CentralMemberService.java b/src/main/java/com/loafle/overflow/central/module/member/service/CentralMemberService.java
index 0702652..e0587f4 100644
--- a/src/main/java/com/loafle/overflow/central/module/member/service/CentralMemberService.java
+++ b/src/main/java/com/loafle/overflow/central/module/member/service/CentralMemberService.java
@@ -2,6 +2,7 @@ package com.loafle.overflow.central.module.member.service;
 
 import com.loafle.overflow.central.commons.stereotype.WebappAPI;
 import com.loafle.overflow.central.commons.utils.EmailSender;
+import com.loafle.overflow.central.module.email.service.EmailAuthService;
 import com.loafle.overflow.central.module.member.dao.MemberDAO;
 import com.loafle.overflow.central.module.member.exception.*;
 
diff --git a/src/main/java/com/loafle/overflow/central/module/member/service/CentralMemberTotpService.java b/src/main/java/com/loafle/overflow/central/module/member/service/CentralMemberTotpService.java
index f051966..a3f4e72 100644
--- a/src/main/java/com/loafle/overflow/central/module/member/service/CentralMemberTotpService.java
+++ b/src/main/java/com/loafle/overflow/central/module/member/service/CentralMemberTotpService.java
@@ -28,11 +28,11 @@ public class CentralMemberTotpService implements MemberTotpService {
     public void  regist(Member member, String secretCode, String code) throws OverflowException {
 
         if (null == member || 0 >= member.getId()) {
-            throw new SignInIdNotExistException("Not Null Member ID");
+            throw new OverflowException("SignInIdNotExistException", new Throwable());
         }
 
         if (!this.checkCode(secretCode, code) ) {
-            throw new TotpCodeNotMatchException("Not Equal");
+            throw new OverflowException("TotpCodeNotMatchException",new Throwable());
         }
 
         MemberTotp totp = new MemberTotp();
@@ -44,10 +44,10 @@ public class CentralMemberTotpService implements MemberTotpService {
 
     public MemberTotp modify(MemberTotp totp) throws OverflowException {
         if ( null == totp.getSecretCode() || totp.getSecretCode().equals("")) {
-            throw new SecretCodeNotExistException("No secret code exists");
+            throw new OverflowException("SecretCodeNotExistException",new Throwable());
         }
         if (null == totp.getMember() || 0 < totp.getMember().getId()) {
-            throw new SignInIdNotExistException("There is no member ID in the TOTP table.");
+            throw new OverflowException("SignInIdNotExistException", new Throwable());
         }
 
         return this.totpDAO.save(totp);
@@ -57,14 +57,14 @@ public class CentralMemberTotpService implements MemberTotpService {
         this.totpDAO.delete(id);
     }
 
-    public MemberTotp read(long id) throws Exception {
+    public MemberTotp read(long id) throws OverflowException {
         return this.totpDAO.findOne(id);
     }
 
     public boolean checkCodeForMember(Member member, String code) throws OverflowException {
         MemberTotp totp = this.totpDAO.findByMember(member);
         if (null == totp && (totp.getSecretCode() == null || totp.getSecretCode().equals("")) ) {
-            throw new SignInIdNotExistException("Error TotpMember");
+            throw new OverflowException("SignInIdNotExistException", new Throwable());
         }
         return this.checkCode(totp.getSecretCode(), code);
     }
@@ -75,7 +75,7 @@ public class CentralMemberTotpService implements MemberTotpService {
         boolean isCheck = googleAuthenticator.authorize(secretCode, codeInt);
 
         if (!isCheck) {
-            throw new TotpCodeNotMatchException("Invalid Code");
+            throw new OverflowException("TotpCodeNotMatchException", new Throwable());
         }
 
         return isCheck;