diff --git a/ppocr/modeling/heads/rec_robustscanner_head.py b/ppocr/modeling/heads/rec_robustscanner_head.py
index 7956059ecfe01f27db364d3d748d6af24dad0aac..550836bd401b0b8799e2afb9b185de8ed6b3d5b1 100644
--- a/ppocr/modeling/heads/rec_robustscanner_head.py
+++ b/ppocr/modeling/heads/rec_robustscanner_head.py
@@ -99,10 +99,11 @@ class DotProductAttentionLayer(nn.Layer):
         logits = paddle.reshape(logits, [n, c, h, w])
         if valid_ratios is not None:
             # cal mask of attention weight
-            for i, valid_ratio in enumerate(valid_ratios):
-                valid_width = min(w, int(w * valid_ratio + 0.5))
-                if valid_width < w:
-                    logits[i, :, :, valid_width:] = float('-inf')
+            with paddle.fluid.framework._stride_in_no_check_dy2st_diff():
+                for i, valid_ratio in enumerate(valid_ratios):
+                    valid_width = min(w, int(w * valid_ratio + 0.5))
+                    if valid_width < w:
+                        logits[i, :, :, valid_width:] = float('-inf')
 
         # reshape to (n, c, h, w)
         logits = paddle.reshape(logits, [n, c, t])