diff --git a/library/src/main/java/com/github/tbouron/shakedetector/library/ShakeDetector.java b/library/src/main/java/com/github/tbouron/shakedetector/library/ShakeDetector.java
index a8aaa60f6b09ff637031aeaa297f80a32fe470d3..4eecdc3378d36b813665eb900d0d2d53b0ff6212 100644
--- a/library/src/main/java/com/github/tbouron/shakedetector/library/ShakeDetector.java
+++ b/library/src/main/java/com/github/tbouron/shakedetector/library/ShakeDetector.java
@@ -47,7 +47,7 @@ public class ShakeDetector implements ICategoryOrientationDataCallback {
     private ArrayList<SensorBundle> mSensorBundles;
     private Object mLock;
     private int direction = 1;
-    long interval = 500l;
+    long interval = 500L;
     /**
      * 上一次检测的时间
      */