diff --git a/panda-jdbc/src/main/java/org/panda/jdbc/id/SnowflakeIdGenerate.java b/panda-jdbc/src/main/java/org/panda/jdbc/id/SnowflakeIdGenerate.java
index 431bce3..4889137 100644
--- a/panda-jdbc/src/main/java/org/panda/jdbc/id/SnowflakeIdGenerate.java
+++ b/panda-jdbc/src/main/java/org/panda/jdbc/id/SnowflakeIdGenerate.java
@@ -9,7 +9,7 @@ public class SnowflakeIdGenerate implements IdGenerate<Long> {
     /**
      * 开始时间戳
      */
-    private final long twepoch = 1420041600000L;
+    private final long TWEPOCH = 1420041600000L;
 
     /**
      * 机器id所占的位数
@@ -107,7 +107,7 @@ public class SnowflakeIdGenerate implements IdGenerate<Long> {
         }
         //上次生成ID的时间戳
         lastTimeStamp = timestamp;
-        return ((timestamp-twepoch)<<timestampLeftShift)
+        return ((timestamp-TWEPOCH)<<timestampLeftShift)
                 |(dataCenterId<<dataCenterIdShift)
                 |(workerId<<workerIdShift)
                 |sequence;