fix

@@ -59,7 +59,7 @@
       </choose>
     </if>
     <if test="billsTradeReq.payErrorCode != null">
-      pay_error_code = #{billsTradeReq.payErrorCode,jdbcType=VARCHAR},
+      and pay_error_code = #{billsTradeReq.payErrorCode,jdbcType=VARCHAR}
     </if>
   </sql>
 

@@ -220,6 +220,7 @@ public class TradeBillsServiceImpl implements ITradeBillsService {
 
 		if (Objects.isNull(req.getUid())
 				&& Objects.isNull(req.getOrderCode())
+				&& Objects.isNull(req.getPayErrorCode())
 				&& (Objects.isNull(req.getStartTime()) || Objects.isNull(req.getEndTime()))) {
 			return null;
 		}
@@ -230,6 +231,10 @@ public class TradeBillsServiceImpl implements ITradeBillsService {
 			ServiceExceptions.throwServiceExceptionIf(range > 30 * 24 * 3600, "时间范围最大为30天");
 		}
 
+		if (StringUtils.isBlank(req.getPayErrorCode())){
+			req.setPayErrorCode(null);
+		}
+
 
 		int total = tradeBillsMapper.selectCountByCondition(req);
 		if (total == 0) {