diff --git a/x2paddle/op_mapper/onnx2paddle/opset9/opset.py b/x2paddle/op_mapper/onnx2paddle/opset9/opset.py
index 534d264a1f0e47e20de976e4bdf23dfc440b7606..71b51eb0f1037c6a51cc431d884414ba44a7fc25 100644
--- a/x2paddle/op_mapper/onnx2paddle/opset9/opset.py
+++ b/x2paddle/op_mapper/onnx2paddle/opset9/opset.py
@@ -646,7 +646,7 @@ class OpSet9():
                 node.fluid_code.add_layer(
                     'squeeze',
                     inputs={'input': node,
-                            'axes': [0]},
+                            'axes': [axis]},
                     output=node,
                     param_attr=None)
         elif axis == 0 and len(indices_shape) > 1:
@@ -894,8 +894,6 @@ class OpSet9():
                                  'this is not supported')
         if len(value) == 1:
             value = value[0]
-            if dtype.name == 'int64':
-                dtype = 'int32'
             attr = {
                 'shape': val_shape.layer_name,
                 'dtype': string(dtype),
@@ -1040,12 +1038,16 @@ class OpSet9():
     @print_mapping_info
     def Concat(self, node):
         inputs = []
+        dtypes = set()
         for i in range(len(node.layer.input)):
             ipt = self.graph.get_input_node(node, idx=i, copy=True)
             if isinstance(ipt, str):
                 inputs.append(ipt)
             else:
                 inputs.append(ipt.layer_name)
+                dtypes.add(ipt.dtype)
+        if len(dtypes) > 1:
+            assert 'Unspported situation happened, please create issue on https://github.com/PaddlePaddle/X2Paddle/issues.'
         axis = node.get_attr('axis')
         attr = {'axis': axis}
         node.fluid_code.add_layer(
@@ -1133,10 +1135,22 @@ class OpSet9():
     def MatMul(self, node):
         val_x = self.graph.get_input_node(node, idx=0, copy=True)
         val_y = self.graph.get_input_node(node, idx=1, copy=True)
+        x_shape = val_x.out_shapes[0]
+        y_shape = val_y.out_shapes[0]
         inputs = {"x": val_x, "y": val_y}
-        attr = {"name": string(node.layer_name)}
-        node.fluid_code.add_layer(
-            "matmul", inputs=inputs, output=node, param_attr=attr)
+        if y_shape[0] == 1 and x_shape[-1] != 1:
+            y_squeeze = val_y.layer_name + '_squeeze'
+            node.fluid_code.add_layer(
+                "squeeze",
+                inputs=val_y,
+                output=y_squeeze,
+                param_attr={'axes': [0]})
+            inputs['y'] = y_squeeze
+            node.fluid_code.add_layer(
+                "matmul", inputs=inputs, output=node, param_attr=None)
+        else:
+            node.fluid_code.add_layer(
+                "matmul", inputs=inputs, output=node, param_attr=None)
 
     @print_mapping_info
     def BatchNormalization(self, node):