diff --git a/interface.kr/updateJbHours.jsp b/interface.kr/updateJbHours.jsp
new file mode 100644
index 0000000..5b8ca98
--- /dev/null
+++ b/interface.kr/updateJbHours.jsp
@@ -0,0 +1,72 @@
+<%@ page import="com.alibaba.fastjson.JSONObject" %>
+<%@ page import="weaver.general.Util" %>
+<jsp:useBean id="bb" class="weaver.general.BaseBean"/>
+<%@ page import="weaver.conn.RecordSet" %>
+<%@ page import="com.alibaba.fastjson.JSONArray" %>
+<%@ page import="java.util.Date" %>
+<%@ page import="com.time.util.DateUtil" %>
+
+
+<%--
+  User: wangj
+  Design Ideas：
+  康瑞-加班申请【制造中心】流程
+    需要：批量修改计算 加班时长 记录
+    测试环境表名：formtable_main_24
+    生产环境表名：formtable_main_20
+--%>
+<%@ page contentType="text/html;charset=UTF-8" %>
+<%
+    JSONObject res = new JSONObject();
+    RecordSet rs = new RecordSet();
+    int count = 0;
+    String sql = "select id,ksrq,kssj,jsrq,jssj from formtable_main_20_dt1 where jbsc is null";
+    rs.execute(sql);
+    while (rs.next()){
+        String id = Util.null2String(rs.getString("id"));
+        String ksrq = Util.null2String(rs.getString("ksrq"));
+        String kssj = Util.null2String(rs.getString("kssj"));
+        String jsrq = Util.null2String(rs.getString("jsrq"));
+        String jssj = Util.null2String(rs.getString("jssj"));
+
+        if("".equals(ksrq)||"".equals(kssj)||"".equals(jsrq)||"".equals(jssj)){
+            continue;
+        }
+
+        double jbsc = getHours(ksrq,kssj,jsrq,jssj);
+
+        updateJbsc(id,jbsc);
+
+        count ++;
+
+    }
+
+
+
+
+
+    res.put("count", count);
+    out.print(res.toJSONString());
+%>
+
+<%!
+    private double getHours(String ksrq,String kssj,String jsrq,String jssj){
+
+        double hour = 0.00;
+        Date sdate = DateUtil.parseDate(ksrq+" "+kssj, "yyyy-MM-dd HH:mm");
+        Date edate = DateUtil.parseDate(jsrq+" "+jssj, "yyyy-MM-dd HH:mm");
+        hour = (Math.abs(sdate.getTime() - edate.getTime())/1800000);
+        hour = hour/2;
+        return hour;
+    }
+%>
+
+<%!
+    private void updateJbsc(String id, double jbsc){
+        RecordSet rs = new RecordSet();
+        rs.executeUpdate("update formtable_main_20_dt1 set jbsc = ? where id = ?",jbsc,id);
+    }
+%>
+
+
+