diff --git a/frontend/src/modules/custMgt/views/SubsDetail.vue b/frontend/src/modules/custMgt/views/SubsDetail.vue
index ff78a94..7b13001 100644
--- a/frontend/src/modules/custMgt/views/SubsDetail.vue
+++ b/frontend/src/modules/custMgt/views/SubsDetail.vue
@@ -90,7 +90,7 @@
               <td colspan="4"><input type="text" disabled v-model="subsNo" /></td>
               <th>결합할인여부</th>
               <td colspan="1">
-              <select name="" id="" v-model="bindDcYn">
+              <select name="" id="" v-bind:disabled="stat != '유큐브개통'" v-model="bindDcYn">
                 <option value="Y">Y</option>
                 <option value="N">N</option>
               </select>
@@ -349,6 +349,8 @@ export default {
       this.row.adminId = this.adminId;
       this.row.adminNm = this.adminNm;
       this.row.bindDcYn = this.bindDcYn;
+      this.row.stat = this.stat;
+      this.row.subsNo = this.subsNo;
 
       try {
         const response = await custMgtApi.updateAdminInfo(this.row);
diff --git a/src/main/java/kr/co/uplus/ez/api/custMgt/CustMgtMapper.java b/src/main/java/kr/co/uplus/ez/api/custMgt/CustMgtMapper.java
index bb022d1..c36af77 100644
--- a/src/main/java/kr/co/uplus/ez/api/custMgt/CustMgtMapper.java
+++ b/src/main/java/kr/co/uplus/ez/api/custMgt/CustMgtMapper.java
@@ -102,4 +102,8 @@ public interface CustMgtMapper {
 	int insertLmtdctDtl(LmtdctDtlDto lmtdctDtlDto);
 	/** 한도 초기화 저장 */
 	int insertUserLmt(UserLmtDto lmtdctDtlDto);
+	
+	/** 결합할인여부 수정*/
+	int updateBindDcYn(SubsDetail subDetail);
+	
 }
diff --git a/src/main/java/kr/co/uplus/ez/api/custMgt/CustMgtService.java b/src/main/java/kr/co/uplus/ez/api/custMgt/CustMgtService.java
index d2f997a..6a63570 100644
--- a/src/main/java/kr/co/uplus/ez/api/custMgt/CustMgtService.java
+++ b/src/main/java/kr/co/uplus/ez/api/custMgt/CustMgtService.java
@@ -242,6 +242,8 @@ public class CustMgtService {
      * @return updateAdminInfoResDto
      */
     public UpdateAdminInfoResDto updateAdminInfo(UpdateAdminInfoReqDto adminInfoReqDto) {
+    	
+    	logger.info("call 청약정보 수정, param ={}",adminInfoReqDto);
         CustMgtMapper custMgtMapper = sqlSessionMaster.getMapper(CustMgtMapper.class);
 
         SubsDetail subsDetail = new SubsDetail();
@@ -249,9 +251,19 @@ public class CustMgtService {
         subsDetail.setAdminNm(adminInfoReqDto.getAdminNm());
         subsDetail.setServiceId(adminInfoReqDto.getServiceId());
         subsDetail.setBindDcYn(adminInfoReqDto.getBindDcYn());
+        subsDetail.setStat(adminInfoReqDto.getStat());
+        subsDetail.setEntrNo(adminInfoReqDto.getSubsNo());
+        
+        
 
 		try {
 			custMgtMapper.updateAdminInfo(subsDetail);
+	
+			//청약상태가 유큐브 개통 상태일 시에만 수정 가능
+			if("유큐브개통".equals(subsDetail.getStat())) {
+				custMgtMapper.updateBindDcYn(subsDetail);
+				logger.info("결합여부 수정. ID={}, 결합여부 ={}, 청약상태 ={}",subsDetail.getAdminId(),subsDetail.getBindDcYn(),subsDetail.getStat());
+			}
 		} catch (Exception e) {
 			logger.info(e.toString());
 			// TODO: handle exception
diff --git a/src/main/java/kr/co/uplus/ez/api/custMgt/dto/SubsDetail.java b/src/main/java/kr/co/uplus/ez/api/custMgt/dto/SubsDetail.java
index 256c3e7..3bca137 100644
--- a/src/main/java/kr/co/uplus/ez/api/custMgt/dto/SubsDetail.java
+++ b/src/main/java/kr/co/uplus/ez/api/custMgt/dto/SubsDetail.java
@@ -59,5 +59,7 @@ public class SubsDetail implements Serializable {
 	private String userCnt;
 	@ApiModelProperty(example = "결합할인여부", name = "결합할인여부", dataType = "String")
 	private String bindDcYn;
+	@ApiModelProperty(example = "유큐브가입번호", name = "유큐브가입번호", dataType = "String")
+	private String entrNo;
 
 }
\ No newline at end of file
diff --git a/src/main/java/kr/co/uplus/ez/api/custMgt/dto/UpdateAdminInfoReqDto.java b/src/main/java/kr/co/uplus/ez/api/custMgt/dto/UpdateAdminInfoReqDto.java
index 94ef1f0..4b41ffb 100644
--- a/src/main/java/kr/co/uplus/ez/api/custMgt/dto/UpdateAdminInfoReqDto.java
+++ b/src/main/java/kr/co/uplus/ez/api/custMgt/dto/UpdateAdminInfoReqDto.java
@@ -21,4 +21,9 @@ public class UpdateAdminInfoReqDto implements Serializable {
 	@ApiModelProperty(example = "결합할인여부", name = "결합할인여부", dataType = "String")
 	private String bindDcYn;
 
+	@ApiModelProperty(example = "청약상태", name = "청약상태", dataType = "String")
+	private String stat;
+	
+	@ApiModelProperty(example = "유큐브가입번호", name = "유큐브가입번호", dataType = "String")
+	private String subsNo;
 }
diff --git a/src/main/resources/mapper/mysql/custMgt/custMgt-mapper.xml b/src/main/resources/mapper/mysql/custMgt/custMgt-mapper.xml
index 77b260d..b2fea96 100644
--- a/src/main/resources/mapper/mysql/custMgt/custMgt-mapper.xml
+++ b/src/main/resources/mapper/mysql/custMgt/custMgt-mapper.xml
@@ -423,7 +423,6 @@
         SET
            CHG_ID = #{serviceId}
            ,CHG_DT = NOW()
-           ,BIND_DC_YN = #{bindDcYn}
            <if test="adminId != null and adminId != ''">
            ,SUBSMNGR_ID= #{adminId}
            </if>
@@ -1130,4 +1129,15 @@
 	   		,now()
 	   	)
 	</insert>
+	
+	
+	<update id="updateBindDcYn" parameterType="kr.co.uplus.ez.api.custMgt.dto.SubsDetail">
+		/* custMgt-mapper.xml(updateBindDcYn) */
+		UPDATE hubez_common.EZ_SUBS_INFO
+        SET
+           BIND_DC_YN = #{bindDcYn},
+           CHG_DT = NOW()
+        WHERE 
+           ENTR_NO = #{entrNo}
+	</update>
 </mapper>