Update app.py

app.py

@@ -55,7 +55,7 @@ def load_model(check_type):
     return model.to(device), tokenizer, transform, device
 
 def process_image(model, tokenizer, transform, device, check_type, image, text):
-    global current_vis, current_bpe
+    global current_vis, current_bpe, current_index
     src_size = image.size
     if 'TokenOCR' in check_type:
         images, target_ratio = dynamic_preprocess(image, min_num=1, max_num=12, 
@@ -114,7 +114,7 @@ def process_image(model, tokenizer, transform, device, check_type, image, text):
 
 # 事件处理函数
 def update_index(change):
-    global current_index
+    global current_vis, current_bpe, current_index
     current_index = max(0, min(len(current_vis) - 1, current_index + change))
     return current_vis[current_index], format_bpe_display(current_bpe[current_index])