diff --git a/x2paddle/decoder/onnx_decoder.py b/x2paddle/decoder/onnx_decoder.py
index db361db2838ea79e9ad84d345a9260b6cac36503..ae3e61e3e069f15457f75cfddef7395fdc67cc92 100755
--- a/x2paddle/decoder/onnx_decoder.py
+++ b/x2paddle/decoder/onnx_decoder.py
@@ -583,6 +583,8 @@ class ONNXDecoder(object):
             item.name = self.make_variable_name(item.name)
         for node in graph.node:
             node.name = node.output[0]
+            if ":" in node.name and len(node.output) > 1:
+                node.name = node.name.split(':')[0]
             node.name = self.make_variable_name(node.name)
             for i in range(len(node.input)):
                 if node.input[i] == '':
diff --git a/x2paddle/op_mapper/onnx2paddle/opset9/opset.py b/x2paddle/op_mapper/onnx2paddle/opset9/opset.py
index 55ec32ee3fa841c4ee8e152ed284052f33bdbb41..988e55383659dd25d69f2255fe5467c01f45925f 100755
--- a/x2paddle/op_mapper/onnx2paddle/opset9/opset.py
+++ b/x2paddle/op_mapper/onnx2paddle/opset9/opset.py
@@ -1366,8 +1366,6 @@ class OpSet9():
         val_x = self.graph.get_input_node(node, idx=0, copy=True)
         paddle_op = 'split'
         split = node.get_attr('split')
-        if split is None:
-            split = len(node.outputs)
         axis = node.get_attr('axis', 0)
         if split is None:
             split_num = len(node.layer.output)