diff --git a/x2paddle/core/convert_prim.py b/x2paddle/core/convert_prim.py
index 2a6a219cb984a2a3f586b7a4ea2413a516504156..669afe9d89f382506f18c518e74a2831e8a407c0 100644
--- a/x2paddle/core/convert_prim.py
+++ b/x2paddle/core/convert_prim.py
@@ -13,144 +13,220 @@
 # limitations under the License.
 
 
-def convert_prim(layer, indent=1, init_func=[], forward_func=[]):
-    def gen_codes(code_list, indent=0):
-        indent_blank = "    " * indent
-        codes = []
-        for code_line in code_list:
-            if code_line.strip() == "":
-                codes.append('\n')
-            else:
-                codes.append(indent_blank + code_line + '\n')
-        return codes
-
-    if layer.kernel == "prim.if":
-        line = "if {} :".format(list(layer.inputs.values())[0])
-        forward_func.extend(gen_codes([line], indent=indent))
-        block = layer.blocks[0]
-        b_init_lines, b_forward_lines = block.gen_dygraph_code(
-            indent=indent + 1)
-        init_func.extend(b_init_lines)
-        forward_func.extend(b_forward_lines)
-        block = layer.blocks[1]
-        if len(block.layers) > 0:
-            line = "else:"
-            forward_func.extend(gen_codes([line], indent=indent))
-            b_init_lines, b_forward_lines = block.gen_dygraph_code(
-                indent=indent + 1)
-            init_func.extend(b_init_lines)
-            forward_func.extend(b_forward_lines)
-        return
-    elif layer.kernel == "prim.loop":
-        loop_range = list(layer.inputs.values())[0]
-        if list(layer.inputs.values())[0] is None:
-            loop_range = str(layer.attrs[list(layer.inputs.keys())[0]])
-        line = "for {} in range({}):".format(layer.outputs[1], loop_range)
+def gen_codes(code_list, indent=0):
+    indent_blank = "    " * indent
+    codes = []
+    for code_line in code_list:
+        if code_line.strip() == "":
+            codes.append('\n')
+        else:
+            codes.append(indent_blank + code_line + '\n')
+    return codes
+
+
+def prim_add(layer, indent=1, init_func=[], forward_func=[]):
+    line = "{} = {} + {}".format(layer.outputs[0], layer.inputs["x"],
+                                 layer.inputs["y"])
+    forward_func.extend(gen_codes([line], indent=indent))
+
+
+def prim_add_(layer, indent=1, init_func=[], forward_func=[]):
+    line = "{} = {} + {} * {}".format(layer.outputs[0], layer.inputs["x"],
+                                      layer.attrs["alpha"], layer.inputs["y"])
+    forward_func.extend(gen_codes([line], indent=indent))
+
+
+def prim_and(layer, indent=1, init_func=[], forward_func=[]):
+    line = "{} = {} and {}".format(layer.outputs[0], layer.inputs["x"],
+                                   layer.inputs["y"])
+    forward_func.extend(gen_codes([line], indent=indent))
+
+
+def prim_append(layer, indent=1, init_func=[], forward_func=[]):
+    line = "{}.append({})".format(layer.inputs["list"], layer.inputs["element"])
+    forward_func.extend(gen_codes([line], indent=indent))
+
+
+def prim_assert(layer, indent=1, init_func=[], forward_func=[]):
+    if layer.attrs["type"] == "eq":
+        if isinstance(layer.attrs["value"], list):
+            s = ""
+            for v in layer.attrs["value"]:
+                s += "{} == {} or ".format(layer.attrs["key"], v)
+            if len(s) > 0:
+                s = s[:-4]
+            line = "assert {}, \'The {} must be {}!\'".format(
+                s, layer.attrs["key"], layer.attrs["value"])
+        else:
+            line = "assert {} == {}, \'The {} must be {}!\'".format(
+                layer.attrs["key"], layer.attrs["value"], layer.attrs["key"],
+                layer.attrs["value"])
+    else:
+        raise Exception("Not implement yet!")
+    forward_func.extend(gen_codes([line], indent=indent))
+
+
+def prim_constant(layer, indent=1, init_func=[], forward_func=[]):
+    line = "{} = {}".format(layer.outputs[0], layer.attrs["value"])
+    forward_func.extend(gen_codes([line], indent=indent))
+
+
+def prim_eq(layer, indent=1, init_func=[], forward_func=[]):
+    line = "{} = {} == {}".format(layer.outputs[0], layer.inputs["x"],
+                                  layer.inputs["y"])
+    forward_func.extend(gen_codes([line], indent=indent))
+
+
+def prim_equal(layer, indent=1, init_func=[], forward_func=[]):
+    line = "{} = {}".format(layer.outputs[0], layer.inputs["input"])
+    forward_func.extend(gen_codes([line], indent=indent))
+
+
+def prim_exception(layer, indent=1, init_func=[], forward_func=[]):
+    line = "raise RaiseException({})".format(layer.inputs["input"])
+    forward_func.extend(gen_codes([line], indent=indent))
+
+
+def prim_if(layer, indent=1, init_func=[], forward_func=[]):
+    line = "if {} :".format(list(layer.inputs.values())[0])
+    forward_func.extend(gen_codes([line], indent=indent))
+    block = layer.blocks[0]
+    b_init_lines, b_forward_lines = block.gen_dygraph_code(indent=indent + 1)
+    init_func.extend(b_init_lines)
+    forward_func.extend(b_forward_lines)
+    block = layer.blocks[1]
+    if len(block.layers) > 0:
+        line = "else:"
         forward_func.extend(gen_codes([line], indent=indent))
-        block = layer.blocks[0]
         b_init_lines, b_forward_lines = block.gen_dygraph_code(
             indent=indent + 1)
         init_func.extend(b_init_lines)
         forward_func.extend(b_forward_lines)
-        return
-    elif layer.kernel == "prim.equal":
-        line = "{} = {}".format(layer.outputs[0],
-                                list(layer.inputs.values())[0])
-    elif layer.kernel == "prim.constant":
-        line = "{} = {}".format(layer.outputs[0], layer.attrs["value"])
-    elif layer.kernel == "prim.list":
-        inputs_list = list(layer.inputs.values())
-        for i, input in enumerate(inputs_list):
-            if input is None:
-                inputs_list[i] = str(layer.attrs[list(layer.inputs.keys())[i]])
-        inputs_str = ', '.join(inputs_list)
-        line = "{} = [{}]".format(layer.outputs[0], inputs_str)
-    elif layer.kernel == "prim.exception":
-        exception = list(layer.inputs.values())[0]
-        if list(layer.inputs.values())[0] is None:
-            exception = str(layer.attrs[list(layer.inputs.keys())[0]])
-        line = "raise RaiseException({})".format(exception)
-    elif layer.kernel == "prim.min":
-        line = "{} = min({})".format(layer.outputs[0],
-                                     list(layer.inputs.values())[0])
-    elif layer.kernel == "prim.add_":
-        line = "{} = {} + {} * {}".format(layer.outputs[0],
-                                          list(layer.inputs.values())[0],
-                                          layer.attrs["alpha"],
-                                          list(layer.inputs.values())[1])
-    elif layer.kernel == "prim.append":
-        line = "{} = {}.append({})".format(layer.outputs[0],
-                                           list(layer.inputs.values())[0],
-                                           list(layer.inputs.values())[1])
-    elif layer.kernel == "prim.shape":
-        line = "{} = {}.shape".format(layer.outputs[0],
-                                      list(layer.inputs.values())[0])
-    elif layer.kernel == "prim.len":
-        line = "{} = len({})".format(layer.outputs[0],
-                                     list(layer.inputs.values())[0])
-    elif layer.kernel == "prim.eq":
-        line = "{} = {} == {}".format(layer.outputs[0],
-                                      list(layer.inputs.values())[0],
-                                      list(layer.inputs.values())[1])
-    elif layer.kernel == "prim.assert":
-        if layer.attrs["type"] == "eq":
-            if isinstance(layer.attrs["value"], list):
-                s = ""
-                for v in layer.attrs["value"]:
-                    s += "{} == {} or ".format(layer.attrs["key"], v)
-                if len(s) > 0:
-                    s = s[:-4]
-                line = "assert {}, \'The {} must be {}!\'".format(
-                    s, layer.attrs["key"], layer.attrs["value"])
-            else:
-                line = "assert {} == {}, \'The {} must be {}!\'".format(
-                    layer.attrs["key"], layer.attrs["value"],
-                    layer.attrs["key"], layer.attrs["value"])
-        else:
-            raise Exception("Not implement yet!")
-    elif layer.kernel == "prim.getitem":
-        item0 = list(layer.inputs.values())[0]
-        if list(layer.inputs.values())[0] is None:
-            item0 = str(layer.attrs[list(layer.inputs.keys())[0]])
-        item1 = list(layer.inputs.values())[1]
-        if list(layer.inputs.values())[1] is None:
-            item1 = str(layer.attrs[list(layer.inputs.keys())[1]])
-        line = "{} = {}[{}]".format(layer.outputs[0], item0, item1)
-    elif layer.kernel == "prim.le":
-        item0 = list(layer.inputs.values())[0]
-        if list(layer.inputs.values())[0] is None:
-            item0 = str(layer.attrs[list(layer.inputs.keys())[0]])
-        item1 = list(layer.inputs.values())[1]
-        if list(layer.inputs.values())[1] is None:
-            item1 = str(layer.attrs[list(layer.inputs.keys())[1]])
-        line = "{} = {} < {}".format(layer.outputs[0], item0, item1)
-    elif layer.kernel == "prim.ne":
-        item0 = list(layer.inputs.values())[0]
-        item1 = list(layer.inputs.values())[1]
-        line = "{} = {} < {}".format(layer.outputs[0], item0, item1)
-    elif layer.kernel == "prim.slice":
-        inputs_str = ""
-        for v in list(layer.inputs.values())[1:]:
-            inputs_str += "{}:".format(v)
-        inputs_str = inputs_str[:-1]
-        line = "{} = {}[{}]".format(layer.outputs[0],
-                                    list(layer.inputs.values())[0], inputs_str)
-    elif layer.kernel == "prim.add":
-        line = "{} = {} + {}".format(layer.outputs[0],
-                                     list(layer.inputs.values())[0],
-                                     list(layer.inputs.values())[1])
-    elif layer.kernel == "prim.sub":
-        line = "{} = {} - {}".format(layer.outputs[0],
-                                     list(layer.inputs.values())[0],
-                                     list(layer.inputs.values())[1])
-    elif layer.kernel == "prim.mul":
-        line = "{} = {} * {}".format(layer.outputs[0],
-                                     list(layer.inputs.values())[0],
-                                     list(layer.inputs.values())[1])
-    elif layer.kernel == "prim.neg":
-        line = "{} = -{}".format(layer.outputs[0],
-                                 list(layer.inputs.values())[0])
-    else:
-        print(layer.kernel)
-        line = ""
+
+
+def prim_getitem(layer, indent=1, init_func=[], forward_func=[]):
+    line = "{} = {}[{}]".format(layer.outputs[0], layer.inputs["list"],
+                                layer.inputs["index"])
+    forward_func.extend(gen_codes([line], indent=indent))
+
+
+def prim_gt(layer, indent=1, init_func=[], forward_func=[]):
+    line = "{} = {} > {}".format(layer.outputs[0], layer.inputs["x"],
+                                 layer.inputs["y"])
+    forward_func.extend(gen_codes([line], indent=indent))
+
+
+def prim_le(layer, indent=1, init_func=[], forward_func=[]):
+    line = "{} = {} <= {}".format(layer.outputs[0], layer.inputs["x"],
+                                  layer.inputs["y"])
+    forward_func.extend(gen_codes([line], indent=indent))
+
+
+def prim_len(layer, indent=1, init_func=[], forward_func=[]):
+    line = "{} = len({})".format(layer.outputs[0], layer.inputs["input"])
     forward_func.extend(gen_codes([line], indent=indent))
+
+
+def prim_lt(layer, indent=1, init_func=[], forward_func=[]):
+    line = "{} = {} < {}".format(layer.outputs[0], layer.inputs["x"],
+                                 layer.inputs["y"])
+    forward_func.extend(gen_codes([line], indent=indent))
+
+
+def prim_list(layer, indent=1, init_func=[], forward_func=[]):
+    inputs_list = list(layer.inputs.values())
+    inputs_str = ', '.join(inputs_list)
+    line = "{} = [{}]".format(layer.outputs[0], inputs_str)
+    forward_func.extend(gen_codes([line], indent=indent))
+
+
+def prim_loop(layer, indent=1, init_func=[], forward_func=[]):
+    loop_range = list(layer.inputs.values())[0]
+    if list(layer.inputs.values())[0] is None:
+        loop_range = str(layer.attrs[list(layer.inputs.keys())[0]])
+    line = "for {} in range({}):".format(layer.outputs[1], loop_range)
+    forward_func.extend(gen_codes([line], indent=indent))
+    block = layer.blocks[0]
+    b_init_lines, b_forward_lines = block.gen_dygraph_code(indent=indent + 1)
+    init_func.extend(b_init_lines)
+    forward_func.extend(b_forward_lines)
+
+
+def prim_min(layer, indent=1, init_func=[], forward_func=[]):
+    line = "{} = min({})".format(layer.outputs[0], layer.inputs["input"])
+    forward_func.extend(gen_codes([line], indent=indent))
+
+
+def prim_mul(layer, indent=1, init_func=[], forward_func=[]):
+    line = "{} = {} * {}".format(layer.outputs[0], layer.inputs["x"],
+                                 layer.inputs["y"])
+    forward_func.extend(gen_codes([line], indent=indent))
+
+
+def prim_ne(layer, indent=1, init_func=[], forward_func=[]):
+    line = "{} = {} < {}".format(layer.outputs[0], layer.inputs["x"],
+                                 layer.inputs["y"])
+    forward_func.extend(gen_codes([line], indent=indent))
+
+
+def prim_neg(layer, indent=1, init_func=[], forward_func=[]):
+    line = "{} = -{}".format(layer.outputs[0], layer.inputs["input"])
+    forward_func.extend(gen_codes([line], indent=indent))
+
+
+def prim_not(layer, indent=1, init_func=[], forward_func=[]):
+    line = "{} = not {}".format(layer.outputs[0], layer.inputs["input"])
+    forward_func.extend(gen_codes([line], indent=indent))
+
+
+def prim_requires_grad(layer, indent=1, init_func=[], forward_func=[]):
+    line = "{} = not {}.stop_gradient".format(layer.outputs[0],
+                                              layer.inputs["input"])
+    forward_func.extend(gen_codes([line], indent=indent))
+
+
+def prim_select(layer, indent=1, init_func=[], forward_func=[]):
+    line = "{} = {}[".format(layer.outputs[0], layer.inputs["input"])
+    for dim in range(layer.attrs["dim"]):
+        line += ":, "
+    line += (layer.inputs["index"] + "]")
+    forward_func.extend(gen_codes([line], indent=indent))
+
+
+def prim_shape(layer, indent=1, init_func=[], forward_func=[]):
+    line = "{} = {}.shape".format(layer.outputs[0], layer.inputs["input"])
+    forward_func.extend(gen_codes([line], indent=indent))
+
+
+def prim_slice(layer, indent=1, init_func=[], forward_func=[]):
+    line = "{} = {}[{}: {}: {}]".format(
+        layer.outputs[0], layer.inputs["input"], layer.inputs["start"],
+        layer.inputs["end"], layer.inputs["step"])
+    forward_func.extend(gen_codes([line], indent=indent))
+
+
+def prim_sub(layer, indent=1, init_func=[], forward_func=[]):
+    line = "{} = {} - {}".format(layer.outputs[0], layer.inputs["x"],
+                                 layer.inputs["y"])
+    forward_func.extend(gen_codes([line], indent=indent))
+
+
+def prim_tuple(layer, indent=1, init_func=[], forward_func=[]):
+    inputs_list = list(layer.inputs.values())
+    inputs_str = ', '.join(inputs_list)
+    line = "{} = ({})".format(layer.outputs[0], inputs_str)
+    forward_func.extend(gen_codes([line], indent=indent))
+
+
+def prim_tuple_unpack(layer, indent=1, init_func=[], forward_func=[]):
+    outputs_str = ', '.join(layer.outputs)
+    line = "{} = {}".format(outputs_str, layer.inputs["input"])
+    forward_func.extend(gen_codes([line], indent=indent))
+
+
+def prim_warnings(layer, indent=1, init_func=[], forward_func=[]):
+    lines = ["import warnings"]
+    line = "warnings.warn({}, stacklevel={})".format(layer.inputs["input"],
+                                                     layer.attrs["stacklevel"])
+    lines.append(line)
+    forward_func.extend(gen_codes(lines, indent=indent))
diff --git a/x2paddle/core/program.py b/x2paddle/core/program.py
index 7ccc873426ac00e7b6b23245f97f70a42d09c2c9..f28cffb4c68cc6862e698ca2cd9a246f519574eb 100644
--- a/x2paddle/core/program.py
+++ b/x2paddle/core/program.py
@@ -297,7 +297,6 @@ class PaddleGraph(object):
                 for output_name in layer.outputs:
                     if not output_name.startswith("x"):
                         continue
-                    print(layer.kernel)
                     self.outputs.append(output_name)
         self.outputs = list(set(self.outputs))
 
@@ -396,12 +395,19 @@ class PaddleGraph(object):
                     line += ")"
                 self.forward_func.extend(gen_codes([line], indent=indent))
             elif "prim" in layer.kernel:
-                from .convert_prim import convert_prim
-                convert_prim(
-                    layer,
-                    indent=indent,
-                    init_func=self.init_func,
-                    forward_func=self.forward_func)
+                func_name = layer.kernel.replace(".", "_")
+                from . import convert_prim
+                if hasattr(convert_prim, func_name):
+                    func = getattr(convert_prim, func_name)
+                    func(
+                        layer,
+                        indent=indent,
+                        init_func=self.init_func,
+                        forward_func=self.forward_func)
+                else:
+                    raise Exception(
+                        "The kind {} in paddle model is not supported yet.".
+                        format(layer.kernel))
             else:
                 if len(layer.outputs) == 1:
                     line = layer.outputs[0]
diff --git a/x2paddle/op_mapper/pytorch2paddle/aten.py b/x2paddle/op_mapper/pytorch2paddle/aten.py
index 738ca70ce1df358c817735a1597f864dc7cfd45d..03de27100e8a8977bb2c197ec10ff33525047325 100644
--- a/x2paddle/op_mapper/pytorch2paddle/aten.py
+++ b/x2paddle/op_mapper/pytorch2paddle/aten.py
@@ -183,6 +183,36 @@ def aten_add_(mapper, graph, node):
     return current_inputs, current_outputs
 
 
+def aten___and__(mapper, graph, node):
+    """ 构造与计算的PaddleLayer。
+
+    TorchScript示例:
+        %361 : bool = aten::__and__(%360, %358)
+        参数含义:
+        %361 (bool): 输出，与计算结果。
+        %360 (-): 输入 x。
+        %358 (-): 输入 y。
+    """
+    output_name = mapper._get_outputs_name(node)[0]
+    layer_outputs = [output_name]
+    layer_inputs = {}
+    inputs_name, inputs_node = mapper._get_inputs_name(node)
+    # 获取当前节点输出的list
+    current_outputs = [output_name]
+    # 处理输入0，即%i.12
+    mapper._check_input(graph, inputs_node[0], inputs_name[0], current_outputs)
+    layer_inputs["x"] = inputs_name[0]
+    # 处理输入1，即%288
+    mapper._check_input(
+        graph, inputs_node[1], inputs_name[1], current_outputs, add_dim=True)
+    layer_inputs["y"] = inputs_name[1]
+    # 获取当前节点输入的list
+    current_inputs = list(layer_inputs.values())
+
+    graph.add_layer("prim.and", inputs=layer_inputs, outputs=layer_outputs)
+    return current_inputs, current_outputs
+
+
 def aten_append(mapper, graph, node):
     """ 构造对list进行append的PaddleLayer。
 
@@ -193,12 +223,11 @@ def aten_append(mapper, graph, node):
         %_output_size.1 (list): 需要进行append的list。
         %v.1 (-): append的元素。
     """
-    output_name = mapper._get_outputs_name(node)[0]
-    layer_outputs = [output_name]
     layer_inputs = {}
     inputs_name, inputs_node = mapper._get_inputs_name(node)
+    layer_outputs = [inputs_name[0]]
     # 获取当前节点输出的list
-    current_outputs = [output_name]
+    current_outputs = [inputs_name[0]]
     # 处理输入0，即_output_size.1
     mapper._check_input(graph, inputs_node[0], inputs_name[0], current_outputs)
     layer_inputs["list"] = inputs_name[0]
@@ -212,6 +241,66 @@ def aten_append(mapper, graph, node):
     return current_inputs, current_outputs
 
 
+def aten_avg_pool2d(mapper, graph, node):
+    """ 构造最大池化的PaddleLayer。
+
+    TorchScript示例:
+        %branch_pool.2 : Tensor = aten::avg_pool2d(%x.43, %538, %539, %540, %273, %272, %271)
+        参数含义:
+        %branch_pool.2 (Tensor): 输出，池化后的结果。
+        %x.43 (Tensor): 需要池化的Tensor。
+        %538 (list): 池化kernel的大小。
+        %539 (list): 步长大小。
+        %540 (list): 填充大小。
+        %273 (bool): 是否用ceil函数计算输出高度和宽度。
+        %272 (bool): 是否在平均池化模式不忽略填充值，False为忽略。
+        %271 (int): 如果指定，它将用作除数，否则将使用池化区域的大小。
+    """
+    if "pool" in mapper.dygraph_name_id:
+        mapper.dygraph_name_id["pool"] += 1
+    else:
+        mapper.dygraph_name_id["pool"] = 0
+    pool_name = "pool" + str(mapper.dygraph_name_id["pool"])
+    output_name = mapper._get_outputs_name(node)[0]
+    layer_outputs = [pool_name, output_name]
+    layer_inputs = {}
+    layer_attrs = {}
+    inputs_name, inputs_node = mapper._get_inputs_name(node)
+    # 获取当前节点输出的list
+    current_outputs = [output_name]
+    # 处理输入0，即%x.34
+    mapper._check_input(graph, inputs_node[0], inputs_name[0], current_outputs)
+    layer_inputs["input"] = inputs_name[0]
+    # 获取当前节点输入的list
+    current_inputs = list(layer_inputs.values())
+    # 处理输入1，即%538
+    layer_attrs["pool_size"] = mapper.attrs[inputs_name[1]]
+    # 处理输入2，即%539
+    layer_attrs["pool_stride"] = mapper.attrs[inputs_name[2]]
+    # 处理输入3，即%540
+    layer_attrs["pool_padding"] = mapper.attrs[inputs_name[3]]
+    # 处理输入4，即%273
+    layer_attrs["ceil_mode"] = mapper.attrs[inputs_name[4]]
+    # 处理输入5，即%272
+    layer_attrs["exclusive"] = not mapper.attrs[inputs_name[5]]
+    # 处理输入6，即%271
+    graph.add_layer(
+        "prim.assert",
+        inputs={},
+        outputs=[inputs_name[6]],
+        type="eq",
+        key=mapper.attrs[inputs_name[6]],
+        value=None)
+    layer_attrs["pool_type"] = string("avg")
+
+    graph.add_layer(
+        "fluid.dygraph.Pool2D",
+        inputs=layer_inputs,
+        outputs=layer_outputs,
+        **layer_attrs)
+    return current_inputs, current_outputs
+
+
 def aten_batch_norm(mapper, graph, node):
     """ 构造BatchNorm的PaddleLayer。
 
@@ -278,6 +367,44 @@ def aten_batch_norm(mapper, graph, node):
     return current_inputs, current_outputs
 
 
+def aten_cat(mapper, graph, node):
+    """ 构造连接Tensor的PaddleLayer。
+
+    TorchScript示例:
+        %x.222 : Tensor = aten::cat(%32, %7)
+        参数含义:
+        %x.222 (Tensor): 输出，连接后的结果。
+        %i.12 (list): 需要连接的Tensor组成的list。
+        %7 (int): 连接的轴。
+    """
+    output_name = mapper._get_outputs_name(node)[0]
+    layer_outputs = [output_name]
+    layer_inputs = {}
+    layer_attrs = {}
+    inputs_name, inputs_node = mapper._get_inputs_name(node)
+    # 获取当前节点输出的list
+    current_outputs = [output_name]
+    # 处理输入0，即%13
+    mapper._check_input(graph, inputs_node[0], inputs_name[0], current_outputs)
+    layer_inputs["input"] = inputs_name[0]
+    # 获取当前节点输入的list
+    current_inputs = list(layer_inputs.values())
+    # 处理输入1，即%12
+    if inputs_name[1] in mapper.attrs:
+        layer_attrs["axis"] = mapper.attrs[inputs_name[1]]
+    else:
+        mapper._check_input(graph, inputs_node[1], inputs_name[1],
+                            current_outputs)
+        layer_attrs["axis"] = inputs_name[1]
+        current_inputs.append(inputs_name[1])
+    graph.add_layer(
+        "fluid.layers.concat",
+        inputs=layer_inputs,
+        outputs=layer_outputs,
+        **layer_attrs)
+    return current_inputs, current_outputs
+
+
 def aten_conv2d(mapper, graph, node):
     """ 构造conv2d的PaddleLayer。
 
@@ -512,6 +639,35 @@ def aten___getitem__(mapper, graph, node):
     return current_inputs, current_outputs
 
 
+def aten_gt(mapper, graph, node):
+    """ 构造对比大小的PaddleLayer。
+
+    TorchScript示例:
+        %83 : bool = aten::gt(%82, %78)
+        参数含义:
+        %83 (bool): 输出，第一个元素是否大于第二个元素。
+        %82 (-): 需对比的输入1。
+        %78 (-): 需对比的输入2。
+    """
+    output_name = mapper._get_outputs_name(node)[0]
+    layer_outputs = [output_name]
+    layer_inputs = {}
+    inputs_name, inputs_node = mapper._get_inputs_name(node)
+    # 获取当前节点输出的list
+    current_outputs = [output_name]
+    # 处理输入0，即%82
+    mapper._check_input(graph, inputs_node[0], inputs_name[0], current_outputs)
+    layer_inputs["x"] = inputs_name[0]
+    # 处理输入1，即%78
+    mapper._check_input(graph, inputs_node[1], inputs_name[1], current_outputs)
+    layer_inputs["y"] = inputs_name[1]
+    # 获取当前节点输入的list
+    current_inputs = list(layer_inputs.values())
+
+    graph.add_layer("prim.gt", inputs=layer_inputs, outputs=layer_outputs)
+    return current_inputs, current_outputs
+
+
 def aten_hardtanh_(mapper, graph, node):
     """ 构造hardtanh激活的PaddleLayer。
 
@@ -565,7 +721,7 @@ def aten_le(mapper, graph, node):
     TorchScript示例:
         %80 : bool = aten::le(%78, %79)
         参数含义:
-        %80 (bool): 输出，第一个元素是否小于第二个元素。
+        %80 (bool): 输出，第一个元素是否小于等于第二个元素。
         %78 (-): 需对比的输入1。
         %79 (-): 需对比的输入2。
     """
@@ -577,10 +733,10 @@ def aten_le(mapper, graph, node):
     current_outputs = [output_name]
     # 处理输入0，即%78
     mapper._check_input(graph, inputs_node[0], inputs_name[0], current_outputs)
-    layer_inputs["input0"] = inputs_name[0]
+    layer_inputs["x"] = inputs_name[0]
     # 处理输入1，即%79
     mapper._check_input(graph, inputs_node[1], inputs_name[1], current_outputs)
-    layer_inputs["input1"] = inputs_name[1]
+    layer_inputs["y"] = inputs_name[1]
     # 获取当前节点输入的list
     current_inputs = list(layer_inputs.values())
 
@@ -613,6 +769,35 @@ def aten_len(mapper, graph, node):
     return current_inputs, current_outputs
 
 
+def aten_lt(mapper, graph, node):
+    """ 构造对比大小的PaddleLayer。
+
+    TorchScript示例:
+        %80 : bool = aten::lt(%78, %79)
+        参数含义:
+        %80 (bool): 输出，第一个元素是否小于第二个元素。
+        %78 (-): 需对比的输入1。
+        %79 (-): 需对比的输入2。
+    """
+    output_name = mapper._get_outputs_name(node)[0]
+    layer_outputs = [output_name]
+    layer_inputs = {}
+    inputs_name, inputs_node = mapper._get_inputs_name(node)
+    # 获取当前节点输出的list
+    current_outputs = [output_name]
+    # 处理输入0，即%78
+    mapper._check_input(graph, inputs_node[0], inputs_name[0], current_outputs)
+    layer_inputs["x"] = inputs_name[0]
+    # 处理输入1，即%79
+    mapper._check_input(graph, inputs_node[1], inputs_name[1], current_outputs)
+    layer_inputs["y"] = inputs_name[1]
+    # 获取当前节点输入的list
+    current_inputs = list(layer_inputs.values())
+
+    graph.add_layer("prim.lt", inputs=layer_inputs, outputs=layer_outputs)
+    return current_inputs, current_outputs
+
+
 def aten_max_pool2d(mapper, graph, node):
     """ 构造最大池化的PaddleLayer。
 
@@ -784,6 +969,31 @@ def aten_neg(mapper, graph, node):
     return current_inputs, current_outputs
 
 
+def aten___not__(mapper, graph, node):
+    """ 构造对bool型取负的PaddleLayer。
+
+    TorchScript示例:
+        %4498 : bool = aten::__not__(%aux_defined.2)
+        参数含义:
+        %4498 (bool): 取负后结果。
+        %aux_defined.2 (bool): 需取负的输入。
+    """
+    output_name = mapper._get_outputs_name(node)[0]
+    layer_outputs = [output_name]
+    layer_inputs = {}
+    inputs_name, inputs_node = mapper._get_inputs_name(node)
+    # 获取当前节点输出的list
+    current_outputs = [output_name]
+    # 处理输入0，即%124
+    mapper._check_input(graph, inputs_node[0], inputs_name[0], current_outputs)
+    layer_inputs["input"] = inputs_name[0]
+    # 获取当前节点输入的list
+    current_inputs = list(layer_inputs.values())
+
+    graph.add_layer("prim.not", inputs=layer_inputs, outputs=layer_outputs)
+    return current_inputs, current_outputs
+
+
 def aten_relu_(mapper, graph, node):
     """ 构造ReLU激活的PaddleLayer。
 
@@ -874,6 +1084,43 @@ def aten_reshape(mapper, graph, node):
     return current_inputs, current_outputs
 
 
+def aten_select(mapper, graph, node):
+    """ 构造选取特定维度Variable的PaddleLayer。
+
+    TorchScript示例:
+        %19 : Tensor = aten::select(%18, %8, %7)
+        参数含义:
+        %19 (Tensor): 输出，选取的Tensor。
+        %18 (Tensor): 需要选取的Tensor。
+        %8 (int): select的维度。
+        %7 (int): select的第n个向量。
+    """
+    output_name = mapper._get_outputs_name(node)[0]
+    layer_outputs = [output_name]
+    layer_inputs = {}
+    layer_attrs = {}
+    inputs_name, inputs_node = mapper._get_inputs_name(node)
+    # 获取当前节点输出的list
+    current_outputs = [output_name]
+    # 处理输入0，即%18
+    mapper._check_input(graph, inputs_node[0], inputs_name[0], current_outputs)
+    layer_inputs["input"] = inputs_name[0]
+    # 处理输入1，即%8
+    layer_attrs["dim"] = mapper.attrs[inputs_name[1]]
+    # 处理输入2，即%75
+    mapper._check_input(graph, inputs_node[2], inputs_name[2], current_outputs)
+    layer_inputs["index"] = inputs_name[2]
+    # 获取当前节点输入的list
+    current_inputs = list(layer_inputs.values())
+
+    graph.add_layer(
+        "prim.select",
+        inputs=layer_inputs,
+        outputs=current_outputs,
+        **layer_attrs)
+    return current_inputs, current_outputs
+
+
 def aten_size(mapper, graph, node):
     """ 构造获取shape的PaddleLayer。
 
@@ -900,13 +1147,13 @@ def aten_size(mapper, graph, node):
 
 
 def aten_slice(mapper, graph, node):
-    """ 构造切分list的PaddleLayer。
+    """ 构造切分list或Variable的PaddleLayer。
 
     TorchScript示例:
         %83 : int[] = aten::slice(%73, %82, %75, %77)
         参数含义:
-        %83 (list): 输出，切分后的list。
-        %73 (list): 需要切分的list。
+        %83 (list/Tensor): 输出，切分后的list。
+        %73 (list/Tensor): 需要切分的list。
         %82 (int): 切分的开始索引。
         %75 (int): 切分的结束索引。
         %77 (int): 切分的步长。
@@ -993,3 +1240,79 @@ def aten_t(mapper, graph, node):
         outputs=layer_outputs,
         perm=[1, 0])
     return current_inputs, current_outputs
+
+
+def aten_unsqueeze(mapper, graph, node):
+    """ 构造插入维度的PaddleLayer。
+
+    TorchScript示例:
+        %13 : Tensor = aten::unsqueeze(%12, %7)
+        参数含义:
+        %13 (Tensor): 输出，插入维度后的Tensor。
+        %12 (Tensor): 需要插入维度的Tensor。
+        %7 (int): 维度。
+    """
+    output_name = mapper._get_outputs_name(node)[0]
+    layer_outputs = [output_name]
+    layer_inputs = {}
+    layer_attrs = {}
+    inputs_name, inputs_node = mapper._get_inputs_name(node)
+    # 获取当前节点输出的list
+    current_outputs = [output_name]
+    # 处理输入0，即%13
+    mapper._check_input(graph, inputs_node[0], inputs_name[0], current_outputs)
+    layer_inputs["input"] = inputs_name[0]
+    # 获取当前节点输入的list
+    current_inputs = list(layer_inputs.values())
+    # 处理输入1，即%12
+    if inputs_name[1] in mapper.attrs:
+        layer_attrs["axes"] = mapper.attrs[inputs_name[1]]
+    else:
+        mapper._check_input(graph, inputs_node[1], inputs_name[1],
+                            current_outputs)
+        layer_attrs["axes"] = inputs_name[1]
+        current_inputs.append(inputs_name[1])
+    graph.add_layer(
+        "fluid.layers.unsqueeze",
+        inputs=layer_inputs,
+        outputs=layer_outputs,
+        **layer_attrs)
+    return current_inputs, current_outputs
+
+
+def aten_warn(mapper, graph, node):
+    """ 构造warning的PaddleLayer。
+
+    TorchScript示例:
+        = aten::warn(%3, %2)
+        参数含义:
+        %3 (str): warning的提示字符串。
+        %2 (int): warning的stacklevel。
+    """
+    output_name = mapper._get_outputs_name(node)[0]
+    layer_outputs = [output_name]
+    layer_inputs = {}
+    layer_attrs = {}
+    inputs_name, inputs_node = mapper._get_inputs_name(node)
+    # 获取当前节点输出的list
+    current_outputs = [output_name]
+    # 处理输入0，即%3
+    mapper._check_input(graph, inputs_node[0], inputs_name[0], current_outputs)
+    layer_inputs["input"] = inputs_name[0]
+    # 获取当前节点输入的list
+    current_inputs = list(layer_inputs.values())
+    # 处理输入1，即%2
+    if inputs_name[1] in mapper.attrs:
+        layer_attrs["stacklevel"] = mapper.attrs[inputs_name[1]]
+    else:
+        mapper._check_input(graph, inputs_node[1], inputs_name[1],
+                            current_outputs)
+        layer_attrs["stacklevel"] = inputs_name[1]
+        current_inputs.append(inputs_name[1])
+
+    graph.add_layer(
+        "prim.warnings",
+        inputs=layer_inputs,
+        outputs=layer_outputs,
+        **layer_attrs)
+    return current_inputs, current_outputs
diff --git a/x2paddle/op_mapper/pytorch2paddle/prim.py b/x2paddle/op_mapper/pytorch2paddle/prim.py
index 600beef09e4089ea6010835f7ced620821e78e5a..a80e7836ac349ce50ae1baaaac1a199d155b2235 100644
--- a/x2paddle/op_mapper/pytorch2paddle/prim.py
+++ b/x2paddle/op_mapper/pytorch2paddle/prim.py
@@ -74,9 +74,9 @@ def prim_ListConstruct(mapper, graph, node):
     TorchScript示例:
         %86 : int[] = prim::ListConstruct(%84, %85)
         参数含义:
+        %86 (list): list节点输出。
         %84 (int/其他): list第一个元素信息。
         %85 (int/其他): list第二个元素信息。
-        %86 (list): list节点输出。
     """
     output_name = mapper._get_outputs_name(node)[0]
     layer_outputs = [output_name]
@@ -247,6 +247,32 @@ def prim_min(mapper, graph, node):
     return current_inputs, current_outputs
 
 
+def prim_requires_grad(mapper, graph, node):
+    """ 构造是否计算梯度的PaddleLayer。
+
+    TorchScript示例:
+        %356 : bool = prim::requires_grad(%tensor.31)
+        参数含义:
+        %356 (bool): 输出，当前Tensor是否计算梯度。
+        %tensor.31 (Tensor): 输入的Tensor。
+    """
+    output_name = mapper._get_outputs_name(node)[0]
+    layer_outputs = [output_name]
+    layer_inputs = {}
+    inputs_name, inputs_node = mapper._get_inputs_name(node)
+    # 获取当前节点输出的list
+    current_outputs = [output_name]
+    # 处理输入0，即%86
+    mapper._check_input(graph, inputs_node[0], inputs_name[0], current_outputs)
+    layer_inputs["input"] = inputs_name[0]
+    # 获取当前节点输入的list
+    current_inputs = list(layer_inputs.values())
+
+    graph.add_layer(
+        "prim.requires_grad", inputs=layer_inputs, outputs=layer_outputs)
+    return current_inputs, current_outputs
+
+
 def prim_SetAttr(mapper, graph, node):
     """ 设置attribute信息。
 
@@ -297,3 +323,70 @@ def prim_shape(mapper, graph, node):
 
     graph.add_layer("prim.shape", inputs=layer_inputs, outputs=layer_outputs)
     return current_inputs, current_outputs
+
+
+def prim_TupleConstruct(mapper, graph, node):
+    """ 构造tuple的PaddleLayer。
+
+    TorchScript示例:
+        %4492 : (Tensor, Tensor?) = prim::TupleConstruct(%x.46, %aux)
+        参数含义:
+        %4492 (tuple): 输出，tuple。
+        %x.46 (Tensor/其他): tuple第一个元素信息。
+        %aux (Tensor/其他): tuple第二个元素信息。
+    """
+    output_name = mapper._get_outputs_name(node)[0]
+    layer_outputs = [output_name]
+    layer_inputs = {}
+    inputs_name, inputs_node = mapper._get_inputs_name(node)
+    # 获取当前节点输出的list
+    current_outputs = [output_name]
+    # 处理每个输入
+    for i, input_name in enumerate(inputs_name):
+        layer_inputs["input{}".format(i)] = input_name
+    # 获取当前节点输入的list
+    current_inputs = list(layer_inputs.values())
+
+    graph.add_layer("prim.tuple", inputs=layer_inputs, outputs=layer_outputs)
+    return current_inputs, current_outputs
+
+
+def prim_TupleUnpack(mapper, graph, node):
+    """ 构造获取tuple元素的PaddleLayer。
+
+    TorchScript示例:
+        %x.223 : Tensor, %aux.3 : Tensor? = prim::TupleUnpack(%4492)
+        参数含义:
+        %x.223 (Tensor/其他): 输出，tuple第一个元素信息。
+        %aux.3 (Tensor/其他): 输出，tuple第二个元素信息。
+        %4492 (tuple): 需要获取元素的tuple。
+    """
+    outputs_name = mapper._get_outputs_name(node)
+    layer_outputs = outputs_name
+    layer_inputs = {}
+    inputs_name, inputs_node = mapper._get_inputs_name(node)
+    # 获取当前节点输出的list
+    current_outputs = outputs_name
+    layer_inputs["input"] = inputs_name[0]
+    # 获取当前节点输入的list
+    current_inputs = list(layer_inputs.values())
+
+    graph.add_layer(
+        "prim.tuple_unpack", inputs=layer_inputs, outputs=layer_outputs)
+    return current_inputs, current_outputs
+
+
+def prim_Uninitialized(mapper, graph, node):
+    """ 构造表示编译器永远不会使用的值的PaddleLayer，该节点转换为None。
+
+    TorchScript示例:
+        %345 : bool = prim::Uninitialized()
+        参数含义:
+        %345 (bool): 输出，为赋值的bool。
+    """
+    output_name = mapper._get_outputs_name(node)[0]
+    output = list(node.outputs())[0]
+    mapper.attrs[output_name] = None
+    graph.add_layer(
+        "prim.constant", inputs={}, outputs=[output_name], value=None)
+    return [], [output_name]
diff --git a/x2paddle/op_mapper/pytorch2paddle/pytorch_op_mapper.py b/x2paddle/op_mapper/pytorch2paddle/pytorch_op_mapper.py
index dd5ff7bb7067436b0e08a754d3ad5fbc7c149d5a..9d6a88ff9e873b5f1d408ca9fb1c82354788c7dd 100644
--- a/x2paddle/op_mapper/pytorch2paddle/pytorch_op_mapper.py
+++ b/x2paddle/op_mapper/pytorch2paddle/pytorch_op_mapper.py
@@ -56,11 +56,19 @@ class PyTorchOpMapper(OpMapper):
 
     def traverse(self, script_graph, parent_layer=None):
         # 用于获取graph的输入
-        def _update_graph_inputs(inputs, outputs):
-            current_node_outputs.extend(outputs)
+        def _update_graph_inputs(kind, inputs, outputs):
+            # extend只能放更新graph_inputs之前的情况：
+            # 1. loop的输出i也是输入；i是输入的原因是：子图中为父图得到的。
+            # 2. 在_check_input中需要使用to_variable。
+            # extend只能放更新graph_inputs之后的情况：
+            # 使用了append。
+            if kind != "aten::append":
+                current_node_outputs.extend(outputs)
             for name in inputs:
                 if name not in current_node_outputs:
                     graph_inputs.append(name)
+            if kind == "aten::append":
+                current_node_outputs.extend(outputs)
 
         # 初始化
         graph = PaddleGraph(parent_layer)
@@ -80,11 +88,11 @@ class PyTorchOpMapper(OpMapper):
             if hasattr(prim, func_name):
                 func = getattr(prim, func_name)
                 inputs, outputs = func(self, graph, node)
-                _update_graph_inputs(inputs, outputs)
+                _update_graph_inputs(kind, inputs, outputs)
             elif hasattr(aten, func_name):
                 func = getattr(aten, func_name)
                 inputs, outputs = func(self, graph, node)
-                _update_graph_inputs(inputs, outputs)
+                _update_graph_inputs(kind, inputs, outputs)
 
         # 转换输出节点
         if hasattr(script_graph, 'returnNode'):
@@ -99,7 +107,7 @@ class PyTorchOpMapper(OpMapper):
                     uid=script_unique_id,
                     parent_layer=parent_layer,
                     index=i)
-                _update_graph_inputs(inputs, outputs)
+                _update_graph_inputs("equal", inputs, outputs)
         # 设置graph的参数
         if isinstance(script_graph, torch._C.Graph):
             graph.set_parameters(self.paddle_params)
@@ -190,8 +198,10 @@ class PyTorchOpMapper(OpMapper):
             if parent_layer.kernel == "prim.loop":
                 control_output_id = index - 1
             output_node_name = parent_layer.outputs[control_output_id]
+            current_outputs = [output_node_name]
+            self._check_input(graph, node, input_node_name, current_outputs)
             graph.add_layer(
                 "prim.equal",
                 inputs={'input': input_node_name},
                 outputs=[output_node_name])
-            return [input_node_name], [output_node_name]
+            return [input_node_name], current_outputs