diff --git a/paddle/fluid/pybind/protobuf.cc b/paddle/fluid/pybind/protobuf.cc
index d74be76f0b0c00696e0cbe7d8dd4c0136421749c..9661d5524140bbb91638f2032c6f80c93f2832e6 100644
--- a/paddle/fluid/pybind/protobuf.cc
+++ b/paddle/fluid/pybind/protobuf.cc
@@ -372,7 +372,7 @@ void BindOpDesc(pybind11::module *m) {
       .def("_set_int32_attr", &pd::OpDesc::SetPlainAttr<int>)
       .def("_set_int64_attr", &pd::OpDesc::SetPlainAttr<int64_t>)
       .def("_set_float32_attr", &pd::OpDesc::SetPlainAttr<float>)
-      //  .def("_set_float64_attr", &pd::OpDesc::SetPlainAttr<double>)
+      .def("_set_float64_attr", &pd::OpDesc::SetPlainAttr<double>)
       .def("_set_str_attr", &pd::OpDesc::SetPlainAttr<std::string>)
 
       .def("_set_bools_attr", &pd::OpDesc::SetPlainAttr<std::vector<bool>>)