diff --git a/Base/Controller/FOCommon.cs b/Base/Controller/FOCommon.cs
index 800dcb9..41767a4 100644
--- a/Base/Controller/FOCommon.cs
+++ b/Base/Controller/FOCommon.cs
@@ -166,6 +166,7 @@ namespace NP.Base.Controllers
                 return JsonOK(u129 * -1);
             }
             u.userpass = NP.Base.Lib.KISA_SHA256.SHA256Hash(u.userpass.Trim());
+            u.birthday = u.birthday != null && u.birthday.Length == 8 ? (u.birthday ?? "").Substring(0, 4) + "-" + (u.birthday ?? "").Substring(4, 2) + "-" + (u.birthday ?? "").Substring(6, 2) : null;
             u.usertype = u.status = 1;
             Dao.Insert("users.in", u);
             return JsonOK(u.userno);
diff --git a/Dao/MyBatis/Maps/User.xml b/Dao/MyBatis/Maps/User.xml
index 517e32c..8376fee 100644
--- a/Dao/MyBatis/Maps/User.xml
+++ b/Dao/MyBatis/Maps/User.xml
@@ -299,13 +299,13 @@
             ,asno,pasname,depart,ccposition,ccpositionetc,fgnoprofile,ccjobs
             ,userpno,bankname,bankno
             ,post,address1,address2,introhtml,status,logintime,send335time,pwcalltime,pwcallno,eastereggkey,eetime,kfcfyear,isassignuser,edus
-            ,isacceptmobile,uduty,slevel,jointype,birthday,snsid,rrnum,di,ci,vssn,<include refid="sql.inc"></include>)
+            ,isacceptmobile,uduty,slevel,jointype,birthday,snsid,di,ci,vssn,<include refid="sql.inc"></include>)
             values (#usertype#,#userkind#,#userid#,#userpass#,#username#,#usernameeng#
             ,gender,HEX(AES_ENCRYPT(#email#, <include refid="sql.digest"></include>)),#isacceptemail#,HEX(AES_ENCRYPT(#mobile#, <include refid="sql.digest"></include>)),HEX(AES_ENCRYPT(#telno#, <include refid="sql.digest"></include>))
             ,#asno#,#pasname#,#depart#,#ccposition#,#ccpositionetc#,#fgnoprofile#,#ccjobs#
             ,HEX(AES_ENCRYPT(#userpno#, <include refid="sql.digest"></include>)),#bankname#,HEX(AES_ENCRYPT(#bankno#, <include refid="sql.digest"></include>))
             ,#post#,#address1#,#address2#,#introhtml#,#status#,<include refid="sql.now"></include>,null,null,null,null,null,#kfcfyear#,#isassignuser#,#edus#
-          ,#isacceptmobile#,#uduty#,#slevel#,#jointype#,HEX(AES_ENCRYPT(#birthday#, <include refid="sql.digest"></include>)),#snsid#,HEX(AES_ENCRYPT(#rrnum#, <include refid="sql.digest"></include>)),#di#,#ci#,#vssn#,<include refid="sql.inv"></include>);
+          ,#isacceptmobile#,#uduty#,#slevel#,#jointype#,HEX(AES_ENCRYPT(#birthday#, <include refid="sql.digest"></include>)),#snsid#,#di#,#ci#,#vssn#,<include refid="sql.inv"></include>);
 
             <selectKey type="post" property="userno" resultClass="int">SELECT  LAST_INSERT_ID()</selectKey>
         </insert>
@@ -375,7 +375,7 @@
         </select>
         <select id="users.usersall" parameterClass="string" resultClass="users">
           select 
-          userno,usertype,jointype,snsid,userkind,userid,userpass,username,usernameeng,rrnum,gender,birthday,email,isacceptemail,mobile,isacceptmobile,telno,asno,pasname,depart,ccposition,ccpositionetc,fgnoprofile
+          userno,usertype,jointype,snsid,userkind,userid,userpass,username,usernameeng,gender,birthday,email,isacceptemail,mobile,isacceptmobile,telno,asno,pasname,depart,ccposition,ccpositionetc,fgnoprofile
           ,ccjobs,userpno,bankname,bankno,post,address1,address2,introhtml,status,exitreason,logintime,loginkey,send335time,pwcalltime,pwcallno,eastereggkey,eetime,kfcfyear,isassignuser,uduty,slevel,edus,remotekey
           from users
         </select>
diff --git a/FO/Views/Account/Join.cshtml b/FO/Views/Account/Join.cshtml
index 352887c..3aaeb33 100644
--- a/FO/Views/Account/Join.cshtml
+++ b/FO/Views/Account/Join.cshtml
@@ -41,10 +41,11 @@ else
         @Html.HiddenFor(w => w.User.jointype)
         @Html.HiddenFor(w => w.IsSaveOK)
         <input type="hidden" name="jointype" id="jointype" value="@(Model.User.jointype)" />
+        <input type="hidden" name="birthday" id="birthday" value="@(Model.User.birthday)" />
         <input type="hidden" name="di" id="di" value="@(Model.User.di)" />
         <input type="hidden" name="ci" id="ci" value="@(Model.User.ci)" />
         <input type="hidden" name="vssn" id="vssn" value="@(Model.User.vssn)" />
-        <input type="hidden" name="rrnum" id="rrnum" />
+        <input type="hidden" name="userpno" id="userpno" />
         <input type="hidden" name="intval" id="intval" value="0" />
         <div class="joinForm">
             <ul>
@@ -61,9 +62,9 @@ else
                 <li><input type="password" id="userpass2" placeholder="비밀번호확인"></li>
                 <li>
                     <ul class="jnNum">
-                        <li><input type="text" id="rrnum1" value="@((Model.User.birthday ?? "").Substring(2))" @(!string.IsNullOrEmpty(Model.User.birthday) ? Html.Raw("readonly=\"\" style=\"background-color:#ddd;\"") : Html.Raw(""))></li>
+                        <li><input type="text" id="userpno1" maxlength="6" class="int nocomma" value="@((Model.User.birthday ?? "").Substring(2))" @(!string.IsNullOrEmpty(Model.User.birthday) ? Html.Raw("readonly=\"\" style=\"background-color:#ddd;\"") : Html.Raw(""))></li>
                         <li>-</li>
-                        <li><input type="tel" id="rrnum2" placeholder="주민등록번호 뒤 7자리"></li>
+                        <li><input type="tel" id="userpno2" maxlength="7"  class="int nocomma" placeholder="주민등록번호 뒤 7자리"></li>
                     </ul>
                 </li>
                 @*인증완료상태여도 재인증 가능*@
@@ -130,7 +131,7 @@ else
         });
         function save() {
             setv("userid", val("userid").replace(/ /, '').replace(/	/, ''));
-            setv("rrnum", val("rrnum1").replace(/ /, '').replace(/	/, '') + "" + val("rrnum2").replace(/ /, '').replace(/	/, ''));
+            setv("userpno", val("userpno1").replace(/ /, '').replace(/	/, '') + "" + val("userpno2").replace(/ /, '').replace(/	/, ''));
             setv("userpass", val("userpass").replace(/ /, '').replace(/	/, ''));
             setv("username", val("username").replace(/ /, '').replace(/	/, ''));
             setv("email", val("email").replace(/ /, '').replace(/	/, ''));
@@ -147,8 +148,8 @@ else
             else if (check("userpass", null, "비밀번호를 입력해주세요.")) { }
             else if (!ispassword(val("userpass"))) { focus("userpass"); msg("(8자 이상, 영문/숫자/특수기호 포함) 규칙으로 비밀번호를 입력해주세요."); }
             else if (val("userpass") != val("userpass2")) { focus("userpass2"); msg("비밀번호 확인이 다릅니다."); }
-            else if (check("rrnum", null, "주민등록번호를 입력해주세요")) { }
-            else if (getBytes(val("rrnum")) != 13) { focus("rrnum2"); msg("주민등록번호를 확인해주세요");}
+            else if (check("userpno", null, "주민등록번호를 입력해주세요")) { }
+            else if (getBytes(val("userpno1")) != 6 || getBytes(val("userpno2")) != 7) { focus("userpno2"); msg("주민등록번호를 확인해주세요"); }
             else if (!ismobilenumber(val("mobile"))) {focus("mobile");msg("핸드폰번호를 확인해주세요.");}
             else if (check("post", null, "우편번호를 등록해주세요.") || check("address1", null, "우편번호를 등록해주세요.") || check("address2", null, "우편번호를 등록해주세요.")) { }
             else if (check("asno", null, "직장을 등록해주세요.")) { }
diff --git a/FO/css/style.css b/FO/css/style.css
index f9e636c..084b016 100644
--- a/FO/css/style.css
+++ b/FO/css/style.css
@@ -2096,9 +2096,9 @@ html.lock, body.lock {display:block; width:100%; height:100%; overflow:hidden;}
 .jnStep li:nth-child(1).current span:before {background: url('../../img/common/join_step01_on.png')no-repeat center center;}
 .jnStep li:nth-child(2).current span:before {background: url('../../img/common/join_step02_on.png')no-repeat center center;}
 .jnStep li:nth-child(3).current span:before {background: url('../../img/common/join_step03_on.png')no-repeat center center;}
-.jnSel {margin: 0 -30px; padding-top: 50px;}
+.jnSel {margin: 0 -30px; padding-top: 50px; text-align:center;}
 .jnSel:after {content: ''; display: table; clear: both;}
-.jnSel > div {float: left; width: 33.3333%; padding: 0 30px;}
+.jnSel > div {/*float: left;*/ width: 33.3333%; padding: 0 30px; display:inline-block;}
 .jnsCont {background: #f8f8f8; border: solid 1px #e1e1e1; text-align: center; padding: 50px 0;}
 .jnsCont img {}
 .jnsCont p {font-size: 14pt; font-weight: 500; margin: 20px 0;}
diff --git a/References/OkCert3ComLib.dll b/References/OkCert3ComLib.dll
new file mode 100644
index 0000000..8b704ff
Binary files /dev/null and b/References/OkCert3ComLib.dll differ