fix

zhongzheng-system/src/main/resources/mapper/modules/order/OrderHandleMapper.xml

@@ -75,7 +75,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         <if test="endTime != null and endTime != ''">
             AND oh.check_time &lt;= #{refundStatus}
         </if>
-        <if test="payStatus != null and payStatus != ''">
+        <if test="payStatus != null">
             AND oh.pay_status = #{payStatus}
         </if>)u
         LEFT JOIN course_education_type cet ON u.education_type_id = cet.id