fix(采购合同):bug修复

src/main/resources/mapping/purchManagement/CPurchContractManagementMapper.xml

@@ -110,7 +110,7 @@
         ) m
         GROUP BY
         m.busness_key
-        ) t8 ON t8.busness_key = c.id
+        ) t8 ON t8.busness_key = t1.id
         <where>
             <if test="businessNumber != null and businessNumber !=''  ">
                 AND ( t1.business_number LIKE CONCAT('%', #{businessNumber},'%') OR c.contract_number LIKE CONCAT('%',