fix momentum bug

mindspore/nn/layer/quant.py

@@ -842,7 +842,7 @@ class Conv2dBnWithoutFoldQuant(Cell):
                                                      channel_axis=channel_axis,
                                                      num_channels=out_channels,
                                                      quant_dtype=quant_dtype)
-        self.batchnorm = BatchNorm2d(out_channels, eps=eps, momentum=1-momentum)
+        self.batchnorm = BatchNorm2d(out_channels, eps=eps, momentum=momentum)
 
     def construct(self, x):
         weight = self.fake_quant_weight(self.weight)