diff --git a/src/main/resources/egovframework/sqlmap/config/mappers/trublcfrncmng/trublcfrncmng_sql.xml b/src/main/resources/egovframework/sqlmap/config/mappers/trublcfrncmng/trublcfrncmng_sql.xml
index 8165afc7..936e7f2b 100644
--- a/src/main/resources/egovframework/sqlmap/config/mappers/trublcfrncmng/trublcfrncmng_sql.xml
+++ b/src/main/resources/egovframework/sqlmap/config/mappers/trublcfrncmng/trublcfrncmng_sql.xml
@@ -439,7 +439,7 @@
 			#{conferenceGubun},
 			'0501000000',
 			#{lunchCheck},
-			#{fixDay},
+			REPLACE(#{fixDay}, 'null', '00'),
 			#{conferencePlace},
 			SYSDATE,
 			#{memberId},
@@ -731,7 +731,8 @@
 		, LUNCH_CHECK = #{lunchCheck}
 		</if>
 		<if test='fixDay neq "" and fixDay neq null'>
-		, FIX_DAY = #{fixDay}
+		<!-- , FIX_DAY = #{fixDay} -->
+		, FIX_DAY = REPLACE(#{fixDay}, 'null', '00')
 		</if>
 		<if test='conferencePlace neq "" and conferencePlace neq null'>
 		, CONFERENCE_PLACE = #{conferencePlace}
diff --git a/src/main/webapp/WEB-INF/jsp/seed/_extra/gtm/trublcfrncmng/redyWrite.jsp b/src/main/webapp/WEB-INF/jsp/seed/_extra/gtm/trublcfrncmng/redyWrite.jsp
index 928bf8c0..d0778910 100644
--- a/src/main/webapp/WEB-INF/jsp/seed/_extra/gtm/trublcfrncmng/redyWrite.jsp
+++ b/src/main/webapp/WEB-INF/jsp/seed/_extra/gtm/trublcfrncmng/redyWrite.jsp
@@ -549,7 +549,7 @@ function fn_checkList() {
 							<div class="form-inline">
 								<div class="form-group" style="vertical-align: middle;">
 									<div class="calendar">
-										<input type="text" class="form-element" style="width:160px !important;" id="fixDay" name="fixDay"/>
+										<input type="text" class="form-element" style="width:160px !important;" id="fixDay" name="fixDay" readonly/>
 									</div>
 									<!-- <input type="text" class="form-element" style="width:140px;" placeholder="시간(ex: 11:00)"/> -->
 								</div>