diff --git a/x2paddle/core/graph.py b/x2paddle/core/graph.py
index 9689fe9c65106b9b5257bbf208095704cbb1b512..18aa6831bf313ea19d629c2941357d607d468021 100644
--- a/x2paddle/core/graph.py
+++ b/x2paddle/core/graph.py
@@ -60,15 +60,16 @@ class Graph(object):
         num_inputs = dict()
         for name, node in self.node_map.items():
             num_inputs[name] = len(node.inputs)
+        print(len(self.node_map))
 
         self.topo_sort = self.input_nodes[:]
         idx = 0
         while idx < len(self.topo_sort):
             current_node = self.node_map[self.topo_sort[idx]]
             for node in current_node.outputs:
-                num_inputs[node.layer_name] -= 1
-                if num_inputs[node.layer_name] == 0:
-                    self.topo_sort.append(node.layer_name)
+                num_inputs[node] -= 1
+                if num_inputs[node] == 0:
+                    self.topo_sort.append(node)
             idx += 1
 
         for i, tmp in enumerate(self.topo_sort):
@@ -84,3 +85,4 @@ class Graph(object):
         if dst not in self.node_map:
             raise Exception("node[{}] not in graph".format(dst))
         self.node_map[dst].inputs.append(src)
+        self.node_map[src].outputs.append(dst)
diff --git a/x2paddle/parser/tf_parser.py b/x2paddle/parser/tf_parser.py
index 5db5055372f47356b23cac7bf3307a4848f95c3c..ef7b9fc201792c6623dacc3bc0936bbd333138ba 100644
--- a/x2paddle/parser/tf_parser.py
+++ b/x2paddle/parser/tf_parser.py
@@ -29,9 +29,6 @@ class TFGraphNode(GraphNode):
 class TFGraph(Graph):
     def __init__(self, model):
         super(TFGraph, self).__init__(model)
-        self.multi_output_ops = [
-                            'Split',
-                            'Unpack']
 
     def build(self):
         for layer in self.model.node:
@@ -41,12 +38,10 @@ class TFGraph(Graph):
             for in_node in node.layer.input:
                 if in_node not in self.node_map:
                     if in_node.strip().split(':')[0] in self.node_map:
-                        self.connect(in_node, layer_name)
+                        self.connect(in_node.strip().split(':')[0], layer_name)
                     else:
                         raise Exception('input[{}] of node[{}] does not exist in node_map'.format(in_node, layer_name))
                 else:
-                    if self.node_map[in_node].layer_type in self.multi_output_ops:
-                        in_node += ":0"
                     self.connect(in_node, layer_name)
 
         super(TFGraph, self).build()