diff --git a/modelscope/pipelines/cv/ocr_utils/model_dla34.py b/modelscope/pipelines/cv/ocr_utils/model_dla34.py
index cd114a48..9f2b6396 100644
--- a/modelscope/pipelines/cv/ocr_utils/model_dla34.py
+++ b/modelscope/pipelines/cv/ocr_utils/model_dla34.py
@@ -635,7 +635,7 @@ class DLAUp(nn.Module):
                 "ida_{}".format(i),
                 IDAUp(3, channels[j], in_channels[j:], scales[j:] // scales[j]),
             )
-            scales[j + 1 :] = scales[j]
+            scales[j + 1:] = scales[j]
             in_channels[j + 1 :] = [channels[j] for _ in channels[j + 1 :]]
 
     def forward(self, layers):
diff --git a/modelscope/pipelines/cv/ocr_utils/table_process.py b/modelscope/pipelines/cv/ocr_utils/table_process.py
index 193f64ea..c8e91b11 100644
--- a/modelscope/pipelines/cv/ocr_utils/table_process.py
+++ b/modelscope/pipelines/cv/ocr_utils/table_process.py
@@ -212,7 +212,6 @@ def gbox_post_process(gbox, c, s, h, w):
 def nms(dets, thresh):
     if len(dets) < 2:
         return dets
-    scores = dets[:, 8]
     index_keep = []
     keep = []
     for i in range(len(dets)):