diff --git a/ppocr/utils/e2e_utils/extract_textpoint_fast.py b/ppocr/utils/e2e_utils/extract_textpoint_fast.py
index 06a68d3aa..787cd3017 100644
--- a/ppocr/utils/e2e_utils/extract_textpoint_fast.py
+++ b/ppocr/utils/e2e_utils/extract_textpoint_fast.py
@@ -21,7 +21,6 @@ import math
 
 import numpy as np
 from itertools import groupby
-from cv2.ximgproc import thinning as thin
 from skimage.morphology._skeletonize import thin
 
 
diff --git a/tools/program.py b/tools/program.py
index c22bf18b9..d4c358382 100755
--- a/tools/program.py
+++ b/tools/program.py
@@ -196,10 +196,8 @@ def train(config,
         train_reader_cost = 0.0
         batch_sum = 0
         batch_start = time.time()
-        for idx, batch in enumerate(train_dataloader):
+        for idx, batch in enumerate(train_dataloader()):
             train_reader_cost += time.time() - batch_start
-            if idx >= len(train_dataloader):
-                break
             lr = optimizer.get_lr()
             images = batch[0]
             if use_srn: