网管课导出fix

mec-biz/src/main/resources/config/mybatis/StudentPaymentOrderMapper.xml

@@ -242,7 +242,7 @@
             </if>
 
             <if test="balancePaymentAmount != null">
-                AND spo.balance_payment_amount >= #{balancePaymentAmount}
+                AND spo.balance_payment_amount_ >= #{balancePaymentAmount}
             </if>
         </where>
     </sql>