fix

mallinkService/src/main/java/com/iformall/service/impl/WxRentContractServiceImpl.java

@@ -1209,7 +1209,7 @@ public class WxRentContractServiceImpl implements WxRentContractService {
     		WxRentContractFreePeriod  fp = freePeriods.get(i);
     		List<Date> dates = DateUtils.getAllDays(fp.getStartDate(), fp.getEndDate());
     		if (null != dates && dates.size() > 0 ) {
-    			allDate.retainAll(dates);
+    			allDate.removeAll(dates);
     			allDate.addAll(dates);
     		}
     	}