diff --git a/.gitignore b/.gitignore
index de9ce42c..c0813a19 100644
--- a/.gitignore
+++ b/.gitignore
@@ -358,3 +358,4 @@ compile_commands.json
 
 cmake-build-debug/
 .cache
+_codeql_detected_source_root
diff --git a/tx_service/src/sharder.cpp b/tx_service/src/sharder.cpp
index d59980b3..ee892cb3 100644
--- a/tx_service/src/sharder.cpp
+++ b/tx_service/src/sharder.cpp
@@ -213,6 +213,29 @@ int Sharder::Init(
         if (log_agent_ != nullptr)
         {
             log_agent_->Init(txlog_ips_, txlog_ports_, 0);
+            // Refresh leader information for all log groups immediately after
+            // initialization to ensure we have current leader info, especially
+            // important after cluster restart when leaders may have changed.
+            uint32_t log_group_count = log_agent_->LogGroupCount();
+            if (log_group_count == 0)
+            {
+                LOG(WARNING)
+                    << "No log groups found after log agent initialization. "
+                       "Log service may not be properly configured.";
+            }
+            else
+            {
+                LOG(INFO) << "Refreshing leader info for " << log_group_count
+                          << " log group(s) after initialization";
+                for (uint32_t lg_id = 0; lg_id < log_group_count; ++lg_id)
+                {
+                    // RefreshLeader is typically a lightweight operation that
+                    // updates internal cache. The log service will handle any
+                    // connection issues gracefully with retries.
+                    log_agent_->RefreshLeader(lg_id);
+                    DLOG(INFO) << "Refreshed leader for log group " << lg_id;
+                }
+            }
         }
 
 #ifdef EXT_TX_PROC_ENABLED