fix:券筛选模糊搜索字段NULL处理;

liquidnet-bus-do/liquidnet-service-candy-do/src/main/resources/com/liquidnet/service/candy/mapper/CandyCouponMapper.xml

@@ -29,7 +29,7 @@
                 AND cc.busi_type = #{busiType,jdbcType=SMALLINT}
             </if>
             <if test="keyword != null and keyword != ''">
-                AND INSTR(CONCAT(cc.title, cc.notice, ccr.busi_name), #{keyword,jdbcType=VARCHAR})
+                AND INSTR(CONCAT(cc.title, ifnull(cc.notice,''), ifnull(ccr.busi_name,'')), #{keyword,jdbcType=VARCHAR})
             </if>
         </where>
     </select>