diff --git a/bonus-modules/bonus-material-mall/src/main/resources/mapper/material/back/BackChangeMapper.xml b/bonus-modules/bonus-material-mall/src/main/resources/mapper/material/back/BackChangeMapper.xml
index 9b58692..f717412 100644
--- a/bonus-modules/bonus-material-mall/src/main/resources/mapper/material/back/BackChangeMapper.xml
+++ b/bonus-modules/bonus-material-mall/src/main/resources/mapper/material/back/BackChangeMapper.xml
@@ -213,6 +213,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
                 AND cd.pro_code = #{proCode}
             </if>
         </where>
+        GROUP BY tl.tool_code
 
         UNION ALL
 
@@ -241,6 +242,9 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             <if test="typeModelName!=null and typeModelName!=''">
                 AND tt.type_name like concat('%',#{typeModelName},'%')
             </if>
+            <if test="devCode!=null and devCode!=''">
+                AND tl.tool_code like concat('%',#{devCode},'%')
+            </if>
             <if test="companyId!=null">
                 AND tl.company_id = #{companyId}
             </if>