diff --git a/src/main/java/cn/com/tenlion/systemcard/util/PayUtil.java b/src/main/java/cn/com/tenlion/systemcard/util/PayUtil.java
new file mode 100644
index 0000000..72f7812
--- /dev/null
+++ b/src/main/java/cn/com/tenlion/systemcard/util/PayUtil.java
@@ -0,0 +1,30 @@
+package cn.com.tenlion.systemcard.util;
+
+import cn.com.tenlion.projectconfig.util.ProjectConfigUtil;
+import ink.wgink.interfaces.consts.ISystemConstant;
+import org.joda.time.DateTime;
+import org.joda.time.Days;
+import org.joda.time.format.DateTimeFormat;
+
+public class PayUtil {
+
+    /**
+     * 将double的价格转为int
+     * @param d
+     * @return
+     */
+    public static Integer buiderMoney(Double d) {
+        return (int)(d * 100);
+    }
+
+    public static void main(String[] args) {
+        String registerTime = "2021-08-31 08:09:09";
+        DateTime registerDateTime = DateTime.parse(registerTime, DateTimeFormat.forPattern(ISystemConstant.DATE_FORMATTER_YYYY_MM_DD_HH_MM_SS));
+       // DateTime withdrawDateTime =  registerDateTime.plusDays(3);
+        int lastDay = Days.daysBetween(registerDateTime , DateTime.now()).getDays();
+        System.out.println(lastDay);
+        if(lastDay > 0) {
+            // 可以提现
+        }
+    }
+}