diff --git a/src/com/platform/service/impl/CheckoutServiceImpl.java b/src/com/platform/service/impl/CheckoutServiceImpl.java
index 192c5e47..b8e7d116 100644
--- a/src/com/platform/service/impl/CheckoutServiceImpl.java
+++ b/src/com/platform/service/impl/CheckoutServiceImpl.java
@@ -20,6 +20,7 @@ import com.platform.entities.DataInfoEntity;
 import com.platform.entities.PreDataInfo;
 import com.platform.service.ICheckoutService;
 import com.platform.utils.BeanCopy;
+import com.platform.utils.Configs;
 import com.platform.utils.DateForm;
 
 @Service(value = "checkoutService")
@@ -111,7 +112,7 @@ public class CheckoutServiceImpl implements ICheckoutService {
 	}
 	
 	private int getMonBeforeHalfYear(int num){
-		num -= 6;
+		num -= Configs.dataBefore;
 		if (num <= 0) {
 			num = num + 12;
 		}