modify byte.trackerupdate, add list first_finded

tracking/test_tracking.py

@@ -90,7 +90,7 @@ def have_tracked():
     k = 0
     gt = Profile()
     for filename in os.listdir(trackdict):
-        filename = 'test_20240402-173935_6920152400975_front_174037379.pkl'
+        filename = 'test_20240402-173935_6920152400975_back_174037372.pkl'
         file, ext = os.path.splitext(filename)
         filepath = os.path.join(trackdict, filename)
         TracksDict = np.load(filepath, allow_pickle=True)
@@ -121,9 +121,9 @@ def have_tracked():
         
         
         
-        # k += 1
-        # if k==1:
-        #     break
+        k += 1
+        if k==1:
+            break
     
     if len(alltracks):
         drawFeatures(alltracks, save_dir)