diff --git a/ppocr/utils/export_model.py b/ppocr/utils/export_model.py
index 3394c20c79..3f613f5a90 100644
--- a/ppocr/utils/export_model.py
+++ b/ppocr/utils/export_model.py
@@ -53,7 +53,7 @@ def dump_infer_config(config, path, logger):
             }
         elif arch_config["model_type"] == "det":
             common_dynamic_shapes = {
-                "x": [[1, 3, 160, 160], [1, 3, 160, 160], [1, 3, 1280, 1280]]
+                "x": [[1, 3, 160, 160], [1, 3, 640, 640], [1, 3, 1280, 1280]]
             }
         elif arch_config["algorithm"] == "SLANet":
             common_dynamic_shapes = {
@@ -64,11 +64,17 @@ def dump_infer_config(config, path, logger):
                 "x": [[1, 3, 224, 224], [1, 3, 448, 448], [8, 3, 1280, 1280]]
             }
         elif arch_config["algorithm"] == "UniMERNet":
-            common_dynamic_shapes = {"x": [[1, 3, 192, 672]]}
+            common_dynamic_shapes = {
+                "x": [[1, 3, 192, 672], [1, 3, 192, 672], [8, 3, 192, 672]]
+            }
         elif arch_config["algorithm"] == "PP-FormulaNet-L":
-            common_dynamic_shapes = {"x": [[1, 3, 768, 768]]}
+            common_dynamic_shapes = {
+                "x": [[1, 3, 768, 768], [1, 3, 768, 768], [8, 3, 768, 768]]
+            }
         elif arch_config["algorithm"] == "PP-FormulaNet-S":
-            common_dynamic_shapes = {"x": [[1, 3, 384, 384]]}
+            common_dynamic_shapes = {
+                "x": [[1, 3, 384, 384], [1, 3, 384, 384], [8, 3, 384, 384]]
+            }
         else:
             common_dynamic_shapes = None
 
@@ -345,17 +351,22 @@ def export_single_model(
             ModuleNotFoundError
         ):  # Encryption is not needed if the module cannot be imported
             print("Skipping import of the encryption module")
+        paddle_version = version.parse(paddle.__version__)
         if config["Global"].get("export_with_pir", False):
-            paddle_version = version.parse(paddle.__version__)
             assert (
                 paddle_version >= version.parse("3.0.0b2")
                 or paddle_version == version.parse("0.0.0")
             ) and os.environ.get("FLAGS_enable_pir_api", None) not in ["0", "False"]
             paddle.jit.save(model, save_path)
         else:
-            model.forward.rollback()
-            with paddle.pir_utils.OldIrGuard():
-                model = dynamic_to_static(model, arch_config, logger, input_shape)
+            if paddle_version >= version.parse(
+                "3.0.0b2"
+            ) or paddle_version == version.parse("0.0.0"):
+                model.forward.rollback()
+                with paddle.pir_utils.OldIrGuard():
+                    model = dynamic_to_static(model, arch_config, logger, input_shape)
+                    paddle.jit.save(model, save_path)
+            else:
                 paddle.jit.save(model, save_path)
     else:
         quanter.save_quantized_model(model, save_path)