diff --git a/paddle/fluid/pybind/inference_api.cc b/paddle/fluid/pybind/inference_api.cc
index 4803aabf9428f3e823cb6be34b0d861f95047d92..2a1de8c6724421b0ecc1bd5ff1d5b8c5f2de6b6a 100644
--- a/paddle/fluid/pybind/inference_api.cc
+++ b/paddle/fluid/pybind/inference_api.cc
@@ -371,7 +371,8 @@ void BindAnalysisConfig(py::module *m) {
       .value("Half", AnalysisConfig::Precision::kHalf)
       .export_values();
 
-  analysis_config.def(py::init<const AnalysisConfig &>())
+  analysis_config.def(py::init<>())
+      .def(py::init<const AnalysisConfig &>())
       .def(py::init<const std::string &>())
       .def(py::init<const std::string &, const std::string &>())
       .def("set_model", (void (AnalysisConfig::*)(const std::string &)) &