diff --git a/cpp/httpclientpool.cc b/cpp/httpclientpool.cc
index 6bc6097..ce95b4d 100644
--- a/cpp/httpclientpool.cc
+++ b/cpp/httpclientpool.cc
@@ -4,6 +4,9 @@
 #include <mutex>
 #include <condition_variable>
 
+#include <curl/curl.h>
+#include <curl/easy.h>
+
 #include <a8/list.h>
 #include <a8/timer.h>
 #include <a8/timer_attacher.h>
@@ -15,6 +18,8 @@
 #include "framework/cpp/msgqueue.h"
 #include "framework/cpp/utils.h"
 
+#define F8_MUTLI_THREAD_HTTP 1
+
 namespace f8
 {
 
@@ -233,6 +238,37 @@ namespace f8
         std::mutex *msg_mutex_ = nullptr;
     };
 
+    class AsyncCurl
+    {
+    public:
+
+        void Init()
+        {
+            curl_global_init(CURL_GLOBAL_ALL);
+            curl_handle_ = curl_multi_init();
+            curl_multi_setopt(curl_handle_, CURLMOPT_SOCKETFUNCTION, HandleSocket);
+            curl_multi_setopt(curl_handle_, CURLMOPT_TIMERFUNCTION, StartTimeout);
+        }
+
+        void UnInit()
+        {
+            curl_multi_cleanup(curl_handle_);
+            curl_handle_ = nullptr;
+        }
+
+        static int HandleSocket(CURL *easy, curl_socket_t s, int action, void *userp, void *socketp)
+        {
+        }
+
+        static void StartTimeout(CURLM *multi, long timeout_ms, void *userp)
+        {
+
+        }
+
+    private:
+        CURLM *curl_handle_ = nullptr;
+    };
+
     class HttpClientPoolImpl
     {
     public:
@@ -245,16 +281,23 @@ namespace f8
 
         void UnInit()
         {
+#if F8_MUTLI_THREAD_HTTP
             for (auto& itr : http_thread_pool) {
                 HttpThread* thread = itr;
                 thread->UnInit();
                 delete thread;
             }
             http_thread_pool.clear();
+#else
+            async_curl_->UnInit();
+            delete async_curl_;
+            async_curl_ = nullptr;
+#endif
         }
 
         void SetThreadNum(int thread_num)
         {
+#if F8_MUTLI_THREAD_HTTP
             assert(thread_num > 0);
             for (int i = 0; i < thread_num; i++) {
                 HttpThread *http_thread = new HttpThread();
@@ -262,6 +305,7 @@ namespace f8
                 http_thread->Init();
                 http_thread_pool.push_back(http_thread);
             }
+#endif
         }
 
         AsyncHttpRequest* GetAsyncHttpRequest(long long seqid)
@@ -311,11 +355,13 @@ namespace f8
                 p->on_error = on_error;
                 async_http_hash[p->context_id] = p;
             }
+#if F8_MUTLI_THREAD_HTTP
             HttpThread* http_thread = GetHttpThread(hash_code);
             if (!http_thread) {
                 abort();
                 return;
             }
+#endif
             {
                 AsyncHttpNode* node = new AsyncHttpNode();
                 node->socket_handle = 0;
@@ -327,7 +373,9 @@ namespace f8
                 if (headers) {
                     headers->DeepCopy(node->headers);
                 }
+#if F8_MUTLI_THREAD_HTTP
                 http_thread->AddAsyncHttp(node);
+#endif
             }
             a8::Timer::Instance()->AddDeadLineTimerAndAttach(1000 * 10,
                                                              a8::XParams()
@@ -340,6 +388,7 @@ namespace f8
                                                              &p->timer_attacher.timer_list_);
         }
 
+#if F8_MUTLI_THREAD_HTTP
         HttpThread* GetHttpThread(long long hash_code)
         {
             if (http_thread_pool.empty() || hash_code < 0) {
@@ -347,13 +396,18 @@ namespace f8
             }
             return http_thread_pool[hash_code % http_thread_pool.size()];
         }
+#endif
 
     public:
         long long curr_seqid = 0;
         std::map<long long, AsyncHttpRequest*> async_http_hash;
 
         unsigned short exec_async_http_msgid = 0;
+#if F8_MUTLI_THREAD_HTTP
         std::vector<HttpThread*> http_thread_pool;
+#else
+        AsyncCurl* async_curl_ = nullptr;
+#endif
     };
 
     void HttpClientPool::Init(int thread_num)