diff --git a/emis-biz/src/main/resources/mapper/EmisSpecialCalcWeightMapper.xml b/emis-biz/src/main/resources/mapper/EmisSpecialCalcWeightMapper.xml
index ff0c5e1c6..16a62fc59 100644
--- a/emis-biz/src/main/resources/mapper/EmisSpecialCalcWeightMapper.xml
+++ b/emis-biz/src/main/resources/mapper/EmisSpecialCalcWeightMapper.xml
@@ -31,7 +31,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         <include refid="selectEmisSpecialCalcWeightVo"/>
         <where>  
             <if test="id != null "> and id = #{id}</if>
-            <if test="prodCode != null  and prodCode != ''"> and prod_code like concat('%', #{prodCode}, '%')</if>
+            <if test="prodCode != null  and prodCode != ''"> and prod_code=#{prodCode}</if>
             <if test="prodName != null  and prodName != ''"> and prod_name like concat('%', #{prodName}, '%')</if>
             <if test="status != null "> and status = #{status}</if>
             <if test="carryType != null  and carryType != ''"> and carry_type like concat('%', #{carryType}, '%')</if>