diff --git a/emis-biz/src/main/resources/mapper/EmisRegionMapper.xml b/emis-biz/src/main/resources/mapper/EmisRegionMapper.xml
index 497c02ac8..2bc73833a 100644
--- a/emis-biz/src/main/resources/mapper/EmisRegionMapper.xml
+++ b/emis-biz/src/main/resources/mapper/EmisRegionMapper.xml
@@ -37,7 +37,7 @@
         <include refid="selectEmisRegionVo"/>
         <where>
             <if test="id != null "> and id = #{id}</if>
-            <if test="regionCode != null  and regionCode != ''"> and region_code like concat('%', #{regionCode}, '%')</if>
+            <if test="regionCode != null  and regionCode != ''"> and region_code=#{regionCode}</if>
             <if test="regionName != null  and regionName != ''"> and region_name like concat('%', #{regionName}, '%')</if>
             <if test="regionNameEn != null  and regionNameEn != ''"> and region_name_en like concat('%', #{regionNameEn}, '%')</if>
             <if test="regionType != null "> and region_type = #{regionType}</if>