diff --git a/app/src/main/java/com/aispeech/nativedemo/entity/PersonInfo.java b/app/src/main/java/com/aispeech/nativedemo/entity/PersonInfo.java
index 98dac06..413a19e 100644
--- a/app/src/main/java/com/aispeech/nativedemo/entity/PersonInfo.java
+++ b/app/src/main/java/com/aispeech/nativedemo/entity/PersonInfo.java
@@ -28,8 +28,8 @@ public class PersonInfo {
     public static long LEAVE_DURATION = 15 * 1000;//间隔多少毫秒重新进入屏幕重置打招呼招呼状态 默认60*1000ms
     private static final int DELTA_X = 20;
     private static final int RIGHT_MAX = 1600;
-    private static final int LEFT_MIN = 600;
-    private static final int MIDDLE = 1100;
+    private static final int LEFT_MIN = 448;
+    private static final int MIDDLE = 1024;
     private static final int MAX_LENGTH = 700;
     private static final int MIN_LENGTH = 350;
     private static final int MIN_MOVE_LENGTH = 210;