diff --git a/emis-biz/src/main/resources/mapper/EmisSiteMapper.xml b/emis-biz/src/main/resources/mapper/EmisSiteMapper.xml
index 30bc8a0c0..ddabf282e 100644
--- a/emis-biz/src/main/resources/mapper/EmisSiteMapper.xml
+++ b/emis-biz/src/main/resources/mapper/EmisSiteMapper.xml
@@ -159,7 +159,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         <include refid="selectEmisSiteVo"/>
         <where>  
             <if test="id != null "> and id = #{id}</if>
-            <if test="siteCode != null  and siteCode != ''"> and site_code like concat('%', #{siteCode}, '%')</if>
+            <if test="siteCode != null  and siteCode != ''"> and site_code= #{siteCode}</if>
             <if test="siteName != null  and siteName != ''"> and site_name like concat('%', #{siteName}, '%')</if>
             <if test="siteNameEn != null  and siteNameEn != ''"> and site_name_en like concat('%', #{siteNameEn}, '%')</if>
             <if test="parentSiteId != null  and parentSiteId != ''"> and parent_site_id like concat('%', #{parentSiteId}, '%')</if>