diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 9f2e7d1..e795f31 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -9,11 +9,15 @@
     <option name="autoReloadType" value="SELECTIVE" />
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="4099ff18-820b-4e43-a4c5-6159d58dccc4" name="변경" comment="- 체크리스트 오류사항 수정">
+    <list default="true" id="4099ff18-820b-4e43-a4c5-6159d58dccc4" name="변경" comment="- 기본음악파일 삭제불가처리">
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/com/backoffice/m/login/M_LoginBO.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/backoffice/m/login/M_LoginBO.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/com/backoffice/m/login/M_LoginBOImpl.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/backoffice/m/login/M_LoginBOImpl.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/com/backoffice/m/login/M_LoginController.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/backoffice/m/login/M_LoginController.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/com/backoffice/m/util/M_Util.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/backoffice/m/util/M_Util.java" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/src/main/resources/sqlmap/m/login/com.backoffice.m.login.xml" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/resources/sqlmap/m/login/com.backoffice.m.login.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/resources/sqlmap/m/member_env/com.backoffice.m.member_env.xml" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/resources/sqlmap/m/member_env/com.backoffice.m.member_env.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/webapp/WEB-INF/views/ftl/m/member_env/view_set_music.ftl" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/webapp/WEB-INF/views/ftl/m/member_env/view_set_music.ftl" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/webapp/WEB-INF/views/ftl/m/login/view_join_member_01.ftl" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/webapp/WEB-INF/views/ftl/m/login/view_join_member_01.ftl" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/webapp/WEB-INF/views/ftl/m/login/view_join_member_02.ftl" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/webapp/WEB-INF/views/ftl/m/login/view_join_member_02.ftl" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -230,7 +234,9 @@
       <workItem from="1650613105021" duration="532000" />
       <workItem from="1650638814398" duration="7670000" />
       <workItem from="1650687202332" duration="1688000" />
-      <workItem from="1650693305284" duration="10033000" />
+      <workItem from="1650693305284" duration="10783000" />
+      <workItem from="1650722240024" duration="593000" />
+      <workItem from="1650776418092" duration="11549000" />
     </task>
     <task id="LOCAL-00001" summary="최초 커밋">
       <created>1645354476031</created>
@@ -519,7 +525,14 @@
       <option name="project" value="LOCAL" />
       <updated>1650706673085</updated>
     </task>
-    <option name="localTasksCounter" value="42" />
+    <task id="LOCAL-00042" summary="- 기본음악파일 삭제불가처리">
+      <created>1650709918086</created>
+      <option name="number" value="00042" />
+      <option name="presentableId" value="LOCAL-00042" />
+      <option name="project" value="LOCAL" />
+      <updated>1650709918086</updated>
+    </task>
+    <option name="localTasksCounter" value="43" />
     <servers />
   </component>
   <component name="TypeScriptGeneratedFilesManager">
@@ -539,7 +552,6 @@
   <component name="VcsManagerConfiguration">
     <option name="CHECK_CODE_SMELLS_BEFORE_PROJECT_COMMIT" value="false" />
     <option name="CHECK_NEW_TODO" value="false" />
-    <MESSAGE value="데이터 연동작업" />
     <MESSAGE value="퍼블리싱 기능 적용&#10;1. 설정하기&#10; - 인증코드 확인&#10; - 계정연동 하기&#10; - 기록 카테고리 수정&#10; - 자주쓰는 표현 수정&#10; &#10;2. 로그인화면" />
     <MESSAGE value="index_bottom 공유관련 html 스크립트 분리" />
     <MESSAGE value="index_bottom 공유관련 html 스크립트 분리-2" />
@@ -564,6 +576,7 @@
     <MESSAGE value="d-day 체크리스트 사항 수정" />
     <MESSAGE value="- 전화번호 인증 만료시 재발행 버튼 적용&#10;- 메인화면 기록이미지 노출(대표이미지 관련 문의해야함)&#10;- 아기정보 성별 변경 오류 수정" />
     <MESSAGE value="- 체크리스트 오류사항 수정" />
-    <option name="LAST_COMMIT_MESSAGE" value="- 체크리스트 오류사항 수정" />
+    <MESSAGE value="- 기본음악파일 삭제불가처리" />
+    <option name="LAST_COMMIT_MESSAGE" value="- 기본음악파일 삭제불가처리" />
   </component>
 </project>
\ No newline at end of file
diff --git a/src/main/java/com/backoffice/m/login/M_LoginBO.java b/src/main/java/com/backoffice/m/login/M_LoginBO.java
index e0c3cd5..9283ce9 100644
--- a/src/main/java/com/backoffice/m/login/M_LoginBO.java
+++ b/src/main/java/com/backoffice/m/login/M_LoginBO.java
@@ -17,6 +17,7 @@ public interface M_LoginBO {
 	public abstract DataMap select_member(DataMap paramMap) throws Exception;
 
 	public abstract int select_member_check_pw(DataMap paramMap) throws Exception;
+	public abstract int select_member_check_nickname(DataMap paramMap) throws Exception;
 
 	int update_member_with_pwd(DataMap paramMap) throws Exception;
 	int update_member(DataMap paramMap) throws Exception;
diff --git a/src/main/java/com/backoffice/m/login/M_LoginBOImpl.java b/src/main/java/com/backoffice/m/login/M_LoginBOImpl.java
index cd17adb..b618d1c 100644
--- a/src/main/java/com/backoffice/m/login/M_LoginBOImpl.java
+++ b/src/main/java/com/backoffice/m/login/M_LoginBOImpl.java
@@ -98,6 +98,18 @@ public class M_LoginBOImpl extends AbstractBOManager implements M_LoginBO {
 		return result;
 	}
 
+	public int select_member_check_nickname(DataMap paramMap) throws Exception{
+		int result = 0;
+
+		try {
+			generalDAO.setNamespace(SQLMAP_NAMESPACE);
+			result = generalDAO.select_item_to_number("select_member_check_nickname", paramMap);
+		} catch (SQLException e) {
+			throw e;
+		}
+
+		return result;
+	}
 
 	@Override
 	public int update_member_with_pwd(DataMap paramMap) throws Exception{
diff --git a/src/main/java/com/backoffice/m/login/M_LoginController.java b/src/main/java/com/backoffice/m/login/M_LoginController.java
index 4a2e779..e43e5fe 100644
--- a/src/main/java/com/backoffice/m/login/M_LoginController.java
+++ b/src/main/java/com/backoffice/m/login/M_LoginController.java
@@ -113,9 +113,23 @@ public class M_LoginController extends AbstractControllerManager{
 	 */
 	@RequestMapping(value="view_join_member_01_confirm")
 	public String view_join_member_01_confirm(@ModelAttribute("model") ModelMap model, HttpServletRequest  request){
-		DataMap paramMap = gmUtil.getDataMapFromRequest(request);
+		DataMap paramMap = gmUtil.getDataMapFromRequest(request);	//페이지의 파라미터 값을 얻어옴.
 
-		HttpSession session = request.getSession(false);
+		HttpSession session = request.getSession(false);		//현재 세션값을 얻어옴.
+		DataMap rm_mem = (DataMap) session.getAttribute(ConstantSystem.SESSION_RM_MEMBER);	//SNS 가입정보(이름, 이메일, 닉네임 등) 확인
+		
+		//소셜정보가 있다면 paramMap에 소셜가입정보 세팅
+		if(rm_mem != null) {
+			paramMap.put("sns_id", rm_mem.get("sns_id"));
+			paramMap.put("userEmail", rm_mem.get("userEmail"));
+
+			//소셜정보에 전화번호가 있다면 전화번호값 세팅
+			if(!rm_mem.get("phone").equals("")) {
+				paramMap.put("phone", rm_mem.get("phone"));	
+			}
+			paramMap.put("social_type", rm_mem.get("social_type"));
+		}
+		
 		session.setAttribute(M_Util.SESSION_RM_MEMBER, paramMap);
 
 		gmUtil.redirectParam(model, paramMap);
@@ -590,6 +604,34 @@ public class M_LoginController extends AbstractControllerManager{
 		return redirect_url;
 	}
 
+	/**
+	 * 닉네임 중복 체크
+	 * @param model
+	 * @param request
+	 * @param response
+	 * @return
+	 */
+	@RequestMapping(value="ajax_check_nickname", method=RequestMethod.POST)
+	@ResponseBody
+	public HashMap<String, Object> ajax_check_nickname(@ModelAttribute("model") ModelMap model, HttpServletRequest request, HttpServletResponse response) {
+
+		DataMap paramMap = gmUtil.getDataMapFromRequest(request);
+		HashMap<String, Object> rm = new HashMap<String, Object>();
+		rm.put("RESULT", ConstantResultCode.RESULT_INIT);
+
+		try {
+			int check_cnt = loginBO.select_member_check_nickname(paramMap);
+			rm.put("RESULT", ConstantResultCode.RESULT_SUCCESS);
+			rm.put("check_cnt", check_cnt);
+		} catch (Exception ex1) {
+			ex1.printStackTrace();
+			rm.put("RESULT", ConstantResultCode.RESULT_EXCEPTION);
+		}
+
+		return rm;
+
+	}
+
 	@RequestMapping(value="nhnLogin_callback")
 	public String nhnLogin_callback(@ModelAttribute("model") ModelMap model, HttpServletRequest  request){
 		return "m/login/nhnLogin_callback";
@@ -657,8 +699,8 @@ public class M_LoginController extends AbstractControllerManager{
 		DataMap map_json = new DataMap();
 		ConstantResultCode.putResultCode(map_json, false, ConstantResultCode.RESULT_INIT); // json result code
 		DataMap paramMap = gmUtil.getDataMapFromRequest(request);
-		String socialType = request.getParameter("socialType");
-		String userPhone = "";
+//		String socialType = request.getParameter("socialType");
+//		String userPhone = "";
 
 		try {
 			paramMap = gmUtil.social_connect(request, paramMap);
@@ -671,14 +713,18 @@ public class M_LoginController extends AbstractControllerManager{
 
 				//소셜아이디로 회원가입이 안되어 있을경우 회원가입페이지로 이동
 				if(socialMemberMap == null) {
+//					userPhone = paramMap.getString("phone");	//소셜회원가입정보 - 전화번호
+					redirect_url = "/m/login/view_join_member_01";
+
 					//소셜연동결과 전화번호값이 없으면 휴대폰 회원인증 1단계 회원가입페이지 이동
+					/*
 					if("".equals(userPhone)) {
 						redirect_url = "/m/login/view_join_member_01";
 					} else {	//전화번호가 있으면 실명인증 없이 2단계 회원가입페이지 이동
 						redirect_url = "redirect:/m/login/view_join_member_02.do";
 					}
-					session.setAttribute(M_Util.SESSION_RM_MEMBER, 	paramMap);			//세션에 소셜에서 받은 회원정보 세팅
-
+					*/
+					session.setAttribute(M_Util.SESSION_RM_MEMBER, paramMap);			//세션에 소셜에서 받은 회원정보 세팅
 				} else {
 					String member_id = RenaStringUtil.getData(socialMemberMap, "member_id");		//회원아이디
 					ConstantResultCode.putResultCode(socialMemberMap, true, ConstantResultCode.RESULT_SUCCESS); // json result code - 결과코드 세팅
@@ -704,7 +750,7 @@ public class M_LoginController extends AbstractControllerManager{
 				}
 
 			} else {
-				redirect_url = "redirect:/m/login/view_join_member.do";
+				redirect_url = "redirect:/m/login/view_join_member_01.do";
 			}
 		} catch (final Exception e) {
 			e.printStackTrace();
diff --git a/src/main/java/com/backoffice/m/util/M_Util.java b/src/main/java/com/backoffice/m/util/M_Util.java
index 8b52dcf..e8a5688 100644
--- a/src/main/java/com/backoffice/m/util/M_Util.java
+++ b/src/main/java/com/backoffice/m/util/M_Util.java
@@ -30,7 +30,6 @@ public class M_Util {
 	private static Log log = LogFactory.getLog(LogAdminLog.class);
 
 	public static final String SESSION_RM_MEMBER = "rm_member";
-	
 	public static final String SESSION_MEMBER_ID = "member_id";
 	public static final String SESSION_MEMBER_PASSWORD_DEC = "password_dec";
 	
diff --git a/src/main/resources/sqlmap/m/login/com.backoffice.m.login.xml b/src/main/resources/sqlmap/m/login/com.backoffice.m.login.xml
index 4a73df3..f7d9799 100644
--- a/src/main/resources/sqlmap/m/login/com.backoffice.m.login.xml
+++ b/src/main/resources/sqlmap/m/login/com.backoffice.m.login.xml
@@ -25,6 +25,14 @@
 		AND x.password = #password#
 	</select>
 
+	<select id="select_member_check_nickname" resultClass="Integer" parameterClass="dataMap">
+		SELECT
+			count(*)
+		FROM tbl_member x
+		WHERE x.nickname = #nickname#
+	</select>
+
+
 	<select id="select_member_confirm_for_check_social" resultClass="dataMap" parameterClass="dataMap">
 		SELECT
 			x.member_id,
diff --git a/src/main/webapp/WEB-INF/views/ftl/m/login/view_join_member_01.ftl b/src/main/webapp/WEB-INF/views/ftl/m/login/view_join_member_01.ftl
index 2174928..b442f6c 100644
--- a/src/main/webapp/WEB-INF/views/ftl/m/login/view_join_member_01.ftl
+++ b/src/main/webapp/WEB-INF/views/ftl/m/login/view_join_member_01.ftl
@@ -22,13 +22,23 @@
             <div class="sign_up_chk">
                 <h5>이름</h5>
                 <div class="input_name">
-                    <input type="text" id="name" name="name" placeholder="이름을 입력하세요" maxlength="30" class="input_box" onfocus="this.placeholder=''"
-                           onblur="this.placeholder='이름을 입력하세요'" />
+                    <#if Session['rm_member']?exists>
+                        <input type="text" id="name" name="name" value="${Session.rm_member['name']!}" placeholder="이름을 입력하세요" maxlength="30" class="input_box" onfocus="this.placeholder=''"
+                               onblur="this.placeholder='이름을 입력하세요'" />
+                    <#else>
+                        <input type="text" id="name" name="name" value="" placeholder="이름을 입력하세요" maxlength="30" class="input_box" onfocus="this.placeholder=''"
+                               onblur="this.placeholder='이름을 입력하세요'" />
+                    </#if>
                 </div>
                 <h5>전화번호</h5>
                 <div class="input_phone">
-                    <input type="text" maxlength="15" id="phone" name="phone" onkeyup="this.value = phone_mask(this.value)" placeholder="010-xxxx-zzzz" value="" class="input_box" onfocus="this.placeholder=''"
-                           onblur="this.placeholder='전화번호를 입력하세요'" />
+                    <#if Session['rm_member']?exists>
+                        <input type="text" maxlength="15" id="phone" name="phone" value="${Session.rm_member['phone']!}" onkeyup="this.value = phone_mask(this.value)" placeholder="010-xxxx-zzzz" value="" class="input_box" onfocus="this.placeholder=''"
+                               onblur="this.placeholder='전화번호를 입력하세요'" />
+                    <#else>
+                        <input type="text" maxlength="15" id="phone" name="phone" value="" onkeyup="this.value = phone_mask(this.value)" placeholder="010-xxxx-zzzz" value="" class="input_box" onfocus="this.placeholder=''"
+                               onblur="this.placeholder='전화번호를 입력하세요'" />
+                    </#if>
                 </div>
 
                 <div class="input_search_phone_btn">
diff --git a/src/main/webapp/WEB-INF/views/ftl/m/login/view_join_member_02.ftl b/src/main/webapp/WEB-INF/views/ftl/m/login/view_join_member_02.ftl
index 4b79630..930af9e 100644
--- a/src/main/webapp/WEB-INF/views/ftl/m/login/view_join_member_02.ftl
+++ b/src/main/webapp/WEB-INF/views/ftl/m/login/view_join_member_02.ftl
@@ -34,9 +34,10 @@
                 <p>* 로그인과 비밀번호 분실 시 이용되므로 실제 사용하는 이메일 주소를 정확하게 입력해 주세요.</p>
                 <h6>닉네임</h6>
                 <div class="input_phone">
-                    <input type="text" id="nickname" name="nickname" maxlength="25" value="${Session.rm_member['userNm']!}" placeholder="닉네임을 입력해주세요" class="input_box" onfocus="this.placeholder=''"
+                    <input type="text" onkeyup="characterCheck(this)" onkeydown="characterCheck(this)" onfocusout="check_nickname()" id="nickname" name="nickname" maxlength="25" value="${Session.rm_member['userNm']!}" placeholder="닉네임을 입력해주세요" class="input_box" onfocus="this.placeholder=''"
                            onblur="this.placeholder='닉네임을 입력해주세요'" />
                     <p>* 닉네임은 커뮤니티 게시글 작성 시 사용됩니다.</p>
+                    <p id="nickname_check_text"></p>
                 </div>
                 <h6 id="divPw">비밀번호</h6>
                 <div class="input_reset_pw">
@@ -76,11 +77,15 @@
 
 
 <script>
+    var b_check_nickname = false;
     $(document).ready(function(){
         if($("#sns_id").val() == "") {
             // $("#divPassword").show();
             $("#divPw").show();
             $(".input_reset_pw").show();
+        } else {
+            $("#divPw").hide();
+            $(".input_reset_pw").hide();
         }
     });
 
@@ -128,10 +133,52 @@
             Swal.fire({text:"개인정보 취급방침에 동의하셔야 합니다"}).then((result) => {$('#agree_privacy').focus()})
         }else if(agree_other == false){
             Swal.fire({text:"이용약관에 동의하셔야 합니다"}).then((result) => {$('#agree_other').focus()})
+        }else if(b_check_nickname == false) {
+            Swal.fire({text:"다른 닉네임을 설정해 주세요."}).then((result) => {$('#nickname').focus()})
         }else{
             theForm.submit();
         }
     }
+
+    function characterCheck(obj){
+        var regExp = /[ \{\}\[\]\/?.,;:|\)*~`!^\-_+┼<>@\#$%&\'\"\\\(\=]/gi;
+        // 허용할 특수문자는 여기서 삭제하면 됨, 띄어쓰기도 특수문자 처리됨 참고하셈
+        if( regExp.test(obj.value) ){
+            Swal.fire({ text: "특수문자는 입력하실수 없습니다.", icon: 'warning', showConfirmButton: false, timer: 1500 }); // success
+            obj.value = obj.value.substring( 0 , obj.value.length - 1 ); // 입력한 특수문자 한자리 지움
+        }
+    }
+
+    /* 닉네임 중복검사 */
+    function check_nickname() {
+        if($("#nickname").val() == "") {
+            b_check_nickname = false;
+            $("#nickname_check_text").html("");
+            return;
+        }
+
+        $.ajax({
+            url:'${URL_ROOT}/m/login/ajax_check_nickname.do',
+            type:'post',
+            data:{
+                "nickname":$("#nickname").val()
+            },
+            dataType:'json',
+            error:function(request,status,error){
+            },
+            success:function(result){
+                if(result.RESULT==0) {
+                    if(result.check_cnt == 0) {
+                        b_check_nickname = true;
+                        $("#nickname_check_text").html("<span style='color:green'>해당 닉네임은 사용 가능합니다.</span>");
+                    } else {
+                        b_check_nickname = false;
+                        $("#nickname_check_text").html("<span style='color:red'>해당 닉네임은 사용 불가 합니다.</span>");
+                    }
+                }
+            }
+        });
+    }
 </script>
 
 <#include "/m/include/index_bottom.ftl">
\ No newline at end of file