From dd4a046cd2ac3780b956fabe0748a2d5caf8c211 Mon Sep 17 00:00:00 2001
From: qicosmos <qicosmos@linux.alibaba.com>
Date: Wed, 20 Aug 2025 13:47:21 +0800
Subject: [PATCH] fix empty callback

---
 include/rest_rpc/rpc_client.hpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/rest_rpc/rpc_client.hpp b/include/rest_rpc/rpc_client.hpp
index d1b8eb4..61a040d 100644
--- a/include/rest_rpc/rpc_client.hpp
+++ b/include/rest_rpc/rpc_client.hpp
@@ -608,6 +608,9 @@ private:
         std::shared_ptr<call_t> cl = nullptr;
         {
           std::unique_lock<std::mutex> lock(cb_mtx_);
+          if (callback_map_.empty()) {
+            return;
+          }
           cl = std::move(callback_map_[req_id]);
         }
 
@@ -624,6 +627,9 @@ private:
         callback_map_.erase(req_id);
       } else {
         std::unique_lock<std::mutex> lock(cb_mtx_);
+        if (future_map_.empty()) {
+          return;
+        }
         auto &f = future_map_[req_id];
         if (ec) {
           // LOG<<ec.message();