fix

mallinkService/src/main/java/com/iformall/domain/po/WxAllBill.java

@@ -118,10 +118,13 @@ public class WxAllBill extends TenantEntity {
 		if (StringUtils.isBlank(pay)) {
 			pay = "0";
 		}
+		if (StringUtils.isBlank(returnPay)) {
+			returnPay = "0";
+		}
 		if (StringUtils.isBlank(useMoney)) {
 			useMoney = "0";
 		}
-		return new BigDecimal(pay).subtract(new BigDecimal(useMoney)).toPlainString();
+		return new BigDecimal(pay).subtract(new BigDecimal(returnPay)).subtract(new BigDecimal(useMoney)).toPlainString();
 	}
 
 	@Excel(name = "周期开始时间", format = "yyyy-MM-dd", width = 20, orderNum = "4")