diff --git a/python/infinity/remote_thrift/client.py b/python/infinity/remote_thrift/client.py
index 83bd1ccf16..0ec764ef7b 100644
--- a/python/infinity/remote_thrift/client.py
+++ b/python/infinity/remote_thrift/client.py
@@ -21,7 +21,7 @@
 from infinity.remote_thrift.infinity_thrift_rpc import *
 from infinity.remote_thrift.infinity_thrift_rpc.ttypes import *
 from infinity.errors import ErrorCode
-
+from infinity.common import InfinityException
 
 class ThriftInfinityClient:
     def __init__(self, uri: URI):
@@ -43,7 +43,10 @@ def reconnect(self):
 
         # version: 0.2.0.dev2, client_version: 1
         # version: 0.2.0.dev3, client_version: 2
-        res = self.client.Connect(ConnectRequest(client_version=1))
+        # version: 0.2.0.dev4, client_version: 3
+        res = self.client.Connect(ConnectRequest(client_version=2))
+        if res.error_code != 0:
+            raise InfinityException(res.error_code, res.error_msg)
         self.session_id = res.session_id
 
     def create_database(self, db_name: str, conflict_type: CreateConflict = CreateConflict.Error):
diff --git a/src/network/infinity_thrift_service.cpp b/src/network/infinity_thrift_service.cpp
index b0ab9836f9..e9288c08e5 100644
--- a/src/network/infinity_thrift_service.cpp
+++ b/src/network/infinity_thrift_service.cpp
@@ -64,6 +64,7 @@ namespace infinity {
 
 ClientVersions::ClientVersions() {
     client_version_map_[1] = String("0.2.0.dev2");
+    client_version_map_[2] = String("0.2.0.dev3");
 }
 
 Pair<const char*, Status> ClientVersions::GetVersionByIndex(i64 version_index) {
diff --git a/src/network/infinity_thrift_service.cppm b/src/network/infinity_thrift_service.cppm
index 115d55c6d8..3ef6891743 100644
--- a/src/network/infinity_thrift_service.cppm
+++ b/src/network/infinity_thrift_service.cppm
@@ -56,7 +56,7 @@ struct ClientVersions {
 export class InfinityThriftService final : public infinity_thrift_rpc::InfinityServiceIf {
 private:
     static constexpr std::string_view ErrorMsgHeader = "[THRIFT ERROR]";
-    static constexpr i64 current_version_index_{1};
+    static constexpr i64 current_version_index_{2}; // 0.2.0.dev3
 
     static std::mutex infinity_session_map_mutex_;
     static HashMap<u64, SharedPtr<Infinity>> infinity_session_map_;