fix

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

@@ -846,7 +846,7 @@ public class WxPropertyContractServiceImpl implements WxPropertyContractService
 	        	bfsvo.setStart(start);
 	        	bfsvo.setEnd(end);
 	        	bfsvo.setReceiveDate(DateUtils.getDaySet(start,Calendar.DATE,-1));
-	        	total.add(new BigDecimal(bfsvo.getTotal()));;
+	        	total = total.add(new BigDecimal(bfsvo.getTotal()));;
 	        }
 	    	return total.toPlainString();
     	}