diff --git a/bcos-sdk/SWIG/BCOS.i b/bcos-sdk/SWIG/BCOS.i
index 0410694f70..5bb2881504 100644
--- a/bcos-sdk/SWIG/BCOS.i
+++ b/bcos-sdk/SWIG/BCOS.i
@@ -1,4 +1,15 @@
 %module(directors="1") bcos
+
+%include exception.i       
+%exception {
+  try {
+    $action
+  } catch(std::exception &e) {
+    auto str = boost::diagnostic_information(e);
+    SWIG_exception(SWIG_RuntimeError, str.c_str());
+  }
+}
+
 %include "Utilities.i"
 %include "Crypto.i"
 %include "Transaction.i"