diff --git a/README.md b/README.md
index 4dd2125f281fee598f6ec842239d87c54d650d91..d1562e9ef7b6fd62421b4d579e92aa72f263cfe9 100644
--- a/README.md
+++ b/README.md
@@ -47,13 +47,12 @@ x2paddle --framework=onnx --model=onnx_model.onnx --save_dir=pd_model
 
 ### Paddle2ONNX
 ```
-# 注意：paddle_infer_model_dir下需包含__model__和__params__两个文件
-x2paddle --framework=paddle2onnx --model=paddle_infer_model_dir --save_dir=onnx_model
+Paddle2ONNX功能已迁移至新的github: https://github.com/PaddlePaddle/paddle2onnx, 欢迎大家去新的代码仓库查看详细介绍以及新功能。
 ```
 ### 参数选项
 | 参数 | |
 |----------|--------------|
-|--framework | 源模型类型 (tensorflow、caffe、onnx、paddle2onnx) |
+|--framework | 源模型类型 (tensorflow、caffe、onnx) |
 |--prototxt | 当framework为caffe时，该参数指定caffe模型的proto文件路径 |
 |--weight | 当framework为caffe时，该参数指定caffe模型的参数文件路径 |
 |--save_dir | 指定转换后的模型保存目录路径 |
@@ -61,7 +60,6 @@ x2paddle --framework=paddle2onnx --model=paddle_infer_model_dir --save_dir=onnx_
 |--caffe_proto | **[可选]** 由caffe.proto编译成caffe_pb2.py文件的存放路径，当存在自定义Layer时使用，默认为None |
 |--define_input_shape | **[可选]** For TensorFlow, 当指定该参数时，强制用户输入每个Placeholder的shape，见[文档Q2](FAQ.md) |
 |--params_merge | **[可选]** 当指定该参数时，转换完成后，inference_model中的所有模型参数将合并保存为一个文件__params__ |
-|--onnx_opset | **[可选]** 当framework为paddle2onnx时，该参数可设置转换为ONNX的OpSet版本，目前支持9、10、11，默认为10 |
 
 
 
diff --git a/x2paddle/__init__.py b/x2paddle/__init__.py
index 90f4567ff7c850cf1a9acd09d24965426e40f5db..bd9b93d4054d64bd1c54cb9aabad01fdee806d75 100644
--- a/x2paddle/__init__.py
+++ b/x2paddle/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "0.8.7"
+__version__ = "0.8.8"
 
 from .core.program import PaddleGraph
 
diff --git a/x2paddle/convert.py b/x2paddle/convert.py
index 0a2f5d1a762aaf81fca4eb616bfe7eebeae909f1..365e1144dc6a049c6c465499e4a868ac73c89cef 100644
--- a/x2paddle/convert.py
+++ b/x2paddle/convert.py
@@ -75,12 +75,6 @@ def arg_parser():
         action="store_true",
         default=False,
         help="define input shape for tf model")
-    parser.add_argument(
-        "--onnx_opset",
-        "-oo",
-        type=int,
-        default=10,
-        help="when paddle2onnx set onnx opset version to export")
     parser.add_argument(
         "--params_merge",
         "-pm",
@@ -224,24 +218,6 @@ def pytorch2paddle(model_path, save_dir, input_shapes):
     mapper.graph.gen_model(save_dir, real_input_shapes)
 
 
-def paddle2onnx(model_path, save_dir, opset_version=10):
-    import paddle.fluid as fluid
-    try:
-        import paddle2onnx
-    except:
-        print(
-            "[ERROR] paddle2onnx not installed, use \"pip install paddle2onnx\"")
-
-    import paddle2onnx as p2o
-    model = p2o.PaddleDecoder(model_path, '__model__', '__params__')
-    mapper = p2o.PaddleOpMapper()
-    mapper.convert(
-        model.program,
-        save_dir,
-        scope=fluid.global_scope(),
-        opset_version=opset_version)
-
-
 def main():
     if len(sys.argv) < 2:
         print("Use \"x2paddle -h\" to print the help information")
@@ -306,12 +282,11 @@ def main():
         onnx2paddle(args.model, args.save_dir, params_merge)
         
     elif args.framework == "paddle2onnx":
-        assert args.model is not None, "--model should be defined while translating paddle model to onnx"
-        paddle2onnx(args.model, args.save_dir, opset_version=args.onnx_opset)
+        print("Paddle to ONNX tool has been migrated to the new github: https://github.com/PaddlePaddle/paddle2onnx")
 
     else:
         raise Exception(
-            "--framework only support tensorflow/caffe/onnx/paddle2onnx now")
+            "--framework only support tensorflow/caffe/onnx/ now")
 
 
 if __name__ == "__main__":