fix

x2paddle/op_mapper/dygraph/onnx2paddle/opset9/opset.py

@@ -1388,13 +1388,13 @@ class OpSet9():
                         "y": output_name + "__mul"}, 
                 outputs=[output_name])
         else:
-            if mode == 'channel' and len(shape_slope) == 1:
+            if mode == 'channel':
                 slope_data = _const_weight_or_none(val_slope)
-                self.weights[val_slope.name] = slope_data
+                if len(shape_slope) > 1:
+                    self.weights[val_slope.name] = np.reshape(slope_data, shape_slope[0])
                 num_parameters = val_x.out_shapes[0][1]
             else:
                 num_parameters = 1
-
             self.paddle_graph.add_layer(
                 "paddle.nn.PReLU", 
                 inputs={"x": val_x.name},