diff --git a/emis-biz/src/main/resources/mapper/EmisTmsScanRecordMapper.xml b/emis-biz/src/main/resources/mapper/EmisTmsScanRecordMapper.xml
index 5194ecc56..9a70e6e2c 100644
--- a/emis-biz/src/main/resources/mapper/EmisTmsScanRecordMapper.xml
+++ b/emis-biz/src/main/resources/mapper/EmisTmsScanRecordMapper.xml
@@ -62,7 +62,7 @@
 
     <select id="checkSiteScanUnique" parameterType="EmisTmsScanRecord" resultType="int">
 		select count(1) from emis_tms_scan_record
-		where billCode = #{billCode} and scan_type=#{scanType}
+		where bill_code = #{billCode} and scan_type=#{scanType}
 		and scan_site_code=#{scanSiteCode}
 		and to_days(scan_date) = to_days(#{scanDate})
 		limit 1