diff --git a/graphengine b/graphengine
index 63a27119bf7..86596e18efb 160000
--- a/graphengine
+++ b/graphengine
@@ -1 +1 @@
-Subproject commit 63a27119bf705511946f690c55c722c356f4b397
+Subproject commit 86596e18efba333aed421fcc7aa453aa57de001a
diff --git a/mindspore/ops/_op_impl/tbe/tile.py b/mindspore/ops/_op_impl/tbe/tile.py
index d55d427266e..178a623091f 100644
--- a/mindspore/ops/_op_impl/tbe/tile.py
+++ b/mindspore/ops/_op_impl/tbe/tile.py
@@ -26,9 +26,8 @@ tile_op_info = TBERegOp("Tile") \
     .attr("multiples", "optional", "listInt", "all")\
     .input(0, "x1", False, "required", "all") \
     .output(0, "y", False, "required", "all") \
-    .dtype_format(DataType.I32_Default, DataType.I32_Default) \
-    .dtype_format(DataType.I16_Default, DataType.I16_Default) \
-    .dtype_format(DataType.F32_Default, DataType.F32_Default) \
+    .op_pattern("dynamicFormat") \
+    .dtype_format(DataType.None_None, DataType.None_None) \
     .get_op_info()
 
 
diff --git a/mindspore/train/model.py b/mindspore/train/model.py
index dd2fdfab670..32da5a9e012 100755
--- a/mindspore/train/model.py
+++ b/mindspore/train/model.py
@@ -548,8 +548,6 @@ class Model:
             >>> model.train(2, dataset)
         """
         check_bool(dataset_sink_mode)
-        if sink_size == -1:
-            sink_size = train_dataset.get_dataset_size()
         check_int(sink_size)
         if sink_size < -1 or sink_size == 0:
             raise ValueError("The sink_size must be -1 or positive, but got sink_size {}.".format(sink_size))
diff --git a/tests/dataset_mock.py b/tests/dataset_mock.py
index ee9af3c40f3..0ee0a90813c 100644
--- a/tests/dataset_mock.py
+++ b/tests/dataset_mock.py
@@ -21,7 +21,7 @@ from mindspore import Tensor
 class MindData:
     """ Stub for MindData """
 
-    def __init__(self, size=1, batch_size=None, repeat_count=1,
+    def __init__(self, size=None, batch_size=None, repeat_count=1,
                  np_types=None, output_shapes=None, input_indexs=()):
         self._size = size
         self._batch_size = batch_size
diff --git a/tests/ut/python/parallel/test_loss_scale.py b/tests/ut/python/parallel/test_loss_scale.py
index 9649679474d..88997160f8e 100644
--- a/tests/ut/python/parallel/test_loss_scale.py
+++ b/tests/ut/python/parallel/test_loss_scale.py
@@ -113,7 +113,7 @@ class TrainOneStepWithLossScaleCell(nn.Cell):
 
 class DatasetLenet(MindData):
     def __init__(self, predict, label, length=3):
-        super(DatasetLenet, self).__init__(size=length)
+        super(DatasetLenet, self).__init__()
         self.predict = predict
         self.label = label
         self.index = 0