diff --git a/src/main/resources/sql/mapper/fims/crdn/crdn05-mapper.xml b/src/main/resources/sql/mapper/fims/crdn/crdn05-mapper.xml
index 5fe620b2..3db81ae5 100644
--- a/src/main/resources/sql/mapper/fims/crdn/crdn05-mapper.xml
+++ b/src/main/resources/sql/mapper/fims/crdn/crdn05-mapper.xml
@@ -32,7 +32,7 @@ SELECT C.CRDN_ID               <!-- 단속 ID -->
 <insert id="insertCrdn" parameterType="map">
 /* 단속 대장 등록(crdn05Mapper.insertCrdn) */
 <selectKey resultType="string" keyProperty="crdn.crdnId" keyColumn="NEW_ID" order="BEFORE">
-SELECT CAST(IFNULL(MAX(CRDN_ID) + 1, 1) AS INT) AS NEW_ID FROM TB_CRDN
+SELECT LPAD(IFNULL(MAX(TB_CRDN) + 1, 1), 20, '0') NEW_ID FROM TB_CRDN
 </selectKey>
 INSERT INTO TB_CRDN (
        CRDN_ID               <!-- 단속 ID -->