diff --git a/lib/pages/pass_track/view.dart b/lib/pages/pass_track/view.dart
index 6438b19..af6b1bd 100644
--- a/lib/pages/pass_track/view.dart
+++ b/lib/pages/pass_track/view.dart
@@ -105,6 +105,7 @@ class _PasstrackState extends State<PassTrackWidget> {
         _passTrackPlugin.waitForTile(() {
           var start = DateTime.now().millisecondsSinceEpoch;
           print("len: ${_passTrackPlugin.allTileCnt()}");
+          controller.allLen = _passTrackPlugin.allTileCnt();
           _rangevalues = SfRangeValues(0, _passTrackPlugin.allTileCnt());
           _passTrackPlugin.playTrack(0, _passTrackPlugin.allTileCnt(), true, 0, ffi.nullptr);
           var end = DateTime.now().millisecondsSinceEpoch;
@@ -167,7 +168,8 @@ class _PasstrackState extends State<PassTrackWidget> {
               child: SfRangeSlider(
                 min: 0.0,
                 // max: maxLength,
-                max: controller.allLen > 0
+                max: 
+                controller.allLen > 0
                     ? controller.allLen
                     : 1.0, // 确保 max 大于 0
                 values: _rangevalues,
diff --git a/plugins/pass_track b/plugins/pass_track
index 30a101b..0b6aef3 160000
--- a/plugins/pass_track
+++ b/plugins/pass_track
@@ -1 +1 @@
-Subproject commit 30a101b8415cd162ab14f661f6f75ac7751962d3
+Subproject commit 0b6aef315a6b7b05eec413cc6e9368611fad8e2b