diff --git a/src/test/java/count/Count.java b/src/test/java/count/Count.java
index 39b8854..624b5d8 100644
--- a/src/test/java/count/Count.java
+++ b/src/test/java/count/Count.java
@@ -5,8 +5,9 @@ import java.text.SimpleDateFormat;
 import java.util.Date;
 
 public class Count {
-	double charging(int lengthtime)
+	double charging(String beginReceiveTime,String lastReceiveTime)
 	{
+		long lengthtime=dateMethod(beginReceiveTime,lastReceiveTime);
 		if(lengthtime<30)
 			return 0;
 		else if(30<=lengthtime&&lengthtime<100)