diff --git a/cpp/wedpr-protocol/protobuf/src/NodeInfoImpl.cpp b/cpp/wedpr-protocol/protobuf/src/NodeInfoImpl.cpp
index 2ecde528..131a7eda 100644
--- a/cpp/wedpr-protocol/protobuf/src/NodeInfoImpl.cpp
+++ b/cpp/wedpr-protocol/protobuf/src/NodeInfoImpl.cpp
@@ -62,4 +62,5 @@ void NodeInfoImpl::toJson(Json::Value& jsonObject) const
         componentsInfo.append(it);
     }
     jsonObject["components"] = componentsInfo;
+    jsonObject["meta"] = meta();
 }
\ No newline at end of file