diff --git a/src/sf_global.c b/src/sf_global.c
index 3c91200..c525f11 100644
--- a/src/sf_global.c
+++ b/src/sf_global.c
@@ -498,10 +498,16 @@ static int init_network_handler(SFContext *sf_context,
         handler->send_data = sf_socket_send_data;
         handler->recv_data = sf_socket_recv_data;
         handler->post_recv = NULL;
+#if IOEVENT_USE_URING
+        handler->use_iouring = true;
+#else
+        handler->use_iouring = false;
+#endif
         return 0;
     } else {
         handler->inner.id = NULL;
         handler->outer.id = NULL;
+        handler->use_iouring = false;
         return load_rdma_apis(sf_context, handler);
     }
 }
diff --git a/src/sf_nio.c b/src/sf_nio.c
index 4eb374d..3da4898 100644
--- a/src/sf_nio.c
+++ b/src/sf_nio.c
@@ -41,6 +41,9 @@
 #include "sf_service.h"
 #include "sf_nio.h"
 
+static int sf_client_sock_write(int sock, short event, void *arg);
+static int sf_client_sock_read(int sock, short event, void *arg);
+
 void sf_set_parameters_ex(SFContext *sf_context, const int header_size,
         sf_set_body_length_callback set_body_length_func,
         sf_alloc_recv_buffer_callback alloc_recv_buffer_func,
@@ -144,6 +147,7 @@ static inline int set_read_event(struct fast_task_info *task)
     }
 
     task->event.callback = (IOEventCallback)sf_client_sock_read;
+
     if (ioevent_modify(&task->thread_data->ev_puller,
                 task->event.fd, IOEVENT_READ, task) != 0)
     {
@@ -168,13 +172,14 @@ int sf_set_read_event(struct fast_task_info *task)
     return set_read_event(task);
 }
 
-static inline int sf_ioevent_add(struct fast_task_info *task,
-        IOEventCallback callback, const int timeout)
+static inline int sf_ioevent_add(struct fast_task_info *task)
 {
     int result;
 
     result = ioevent_set(task, task->thread_data, task->event.fd,
-            IOEVENT_READ, callback, timeout);
+            IOEVENT_READ, (IOEventCallback)sf_client_sock_read,
+            SF_CTX->net_buffer_cfg.network_timeout,
+            task->handler->use_iouring);
     return result > 0 ? -1 * result : result;
 }
 
@@ -192,8 +197,7 @@ static inline void inc_connection_current_count()
 static inline int sf_nio_init(struct fast_task_info *task)
 {
     inc_connection_current_count();
-    return sf_ioevent_add(task, (IOEventCallback)sf_client_sock_read,
-            SF_CTX->net_buffer_cfg.network_timeout);
+    return sf_ioevent_add(task);
 }
 
 int sf_socket_async_connect_check(struct fast_task_info *task)
@@ -275,7 +279,7 @@ static int sf_async_connect_server(struct fast_task_info *task)
         result = ioevent_set(task, task->thread_data, task->event.fd,
                 IOEVENT_READ | IOEVENT_WRITE, (IOEventCallback)
                 sf_client_connect_done, SF_CTX->net_buffer_cfg.
-                connect_timeout);
+                connect_timeout, task->handler->use_iouring);
         return result > 0 ? -1 * result : result;
     } else {
         if (SF_CTX->callbacks.connect_done != NULL) {
@@ -283,10 +287,7 @@ static int sf_async_connect_server(struct fast_task_info *task)
         }
 
         if (result == 0) {
-            if ((result=sf_ioevent_add(task, (IOEventCallback)
-                            sf_client_sock_read, SF_CTX->
-                            net_buffer_cfg.network_timeout)) != 0)
-            {
+            if ((result=sf_ioevent_add(task)) != 0) {
                 return result;
             }
 
@@ -341,10 +342,7 @@ static int sf_nio_deal_task(struct fast_task_info *task, const int stage)
             result = SF_CTX->callbacks.deal_task(task, SF_NIO_STAGE_CONTINUE);
             break;
         case SF_NIO_STAGE_FORWARDED:  //forward by other thread
-            if ((result=sf_ioevent_add(task, (IOEventCallback)
-                            sf_client_sock_read,
-                            SF_CTX->net_buffer_cfg.network_timeout)) == 0)
-            {
+            if ((result=sf_ioevent_add(task)) == 0) {
                 result = SF_CTX->callbacks.deal_task(task, SF_NIO_STAGE_SEND);
             }
             break;
@@ -837,8 +835,7 @@ static int calc_iops_and_remove_polling(struct fast_task_info *task)
                     ioevent_set_timeout(&task->thread_data->ev_puller,
                             task->thread_data->timeout_ms);
                 }
-                result = sf_ioevent_add(task, (IOEventCallback)
-                        sf_client_sock_read, SF_CTX->net_buffer_cfg.network_timeout);
+                result = sf_ioevent_add(task);
 
                 format_ip_address(task->client_ip, formatted_ip);
                 logInfo("file: "__FILE__", line: %d, client: %s:%u, "
@@ -900,7 +897,7 @@ int sf_rdma_busy_polling_callback(struct nio_thread_data *thread_data)
     return 0;
 }
 
-int sf_client_sock_read(int sock, short event, void *arg)
+static int sf_client_sock_read(int sock, short event, void *arg)
 {
     int result;
     int bytes;
@@ -992,7 +989,7 @@ int sf_client_sock_read(int sock, short event, void *arg)
     return total_read;
 }
 
-int sf_client_sock_write(int sock, short event, void *arg)
+static int sf_client_sock_write(int sock, short event, void *arg)
 {
     int result;
     int bytes;
@@ -1037,9 +1034,6 @@ int sf_client_sock_write(int sock, short event, void *arg)
             release_iovec_buffer(task);
             task->recv.ptr->offset = 0;
             task->recv.ptr->length = 0;
-            if (set_read_event(task) != 0) {
-                return -1;
-            }
 
             if (SF_CTX->callbacks.send_done == NULL || !send_done) {
                 task->nio_stages.current = SF_NIO_STAGE_RECV;
@@ -1055,6 +1049,12 @@ int sf_client_sock_write(int sock, short event, void *arg)
                 }
             }
 
+            if (task->nio_stages.current == SF_NIO_STAGE_RECV) {
+                if (set_read_event(task) != 0) {
+                    return -1;
+                }
+            }
+
             break;
         } else if (action == sf_comm_action_break) {
             break;
diff --git a/src/sf_nio.h b/src/sf_nio.h
index 64e5403..8411781 100644
--- a/src/sf_nio.h
+++ b/src/sf_nio.h
@@ -92,8 +92,6 @@ static inline void sf_nio_reset_task_length(struct fast_task_info *task)
 
 void sf_recv_notify_read(int sock, short event, void *arg);
 int sf_send_add_event(struct fast_task_info *task);
-int sf_client_sock_write(int sock, short event, void *arg);
-int sf_client_sock_read(int sock, short event, void *arg);
 
 void sf_task_finish_clean_up(struct fast_task_info *task);
 
@@ -149,11 +147,6 @@ static inline int sf_nio_forward_request(struct fast_task_info *task,
     return sf_nio_notify(task, SF_NIO_STAGE_FORWARDED);
 }
 
-static inline bool sf_client_sock_in_read_stage(struct fast_task_info *task)
-{
-    return (task->event.callback == (IOEventCallback)sf_client_sock_read);
-}
-
 static inline void sf_nio_add_to_deleted_list(struct nio_thread_data
         *thread_data, struct fast_task_info *task)
 {
diff --git a/src/sf_types.h b/src/sf_types.h
index 2a946e2..3e7bca8 100644
--- a/src/sf_types.h
+++ b/src/sf_types.h
@@ -115,9 +115,11 @@ typedef struct sf_listener {
 
 struct sf_context;
 struct sf_address_family_handler;
+
 typedef struct sf_network_handler {
     bool enabled;
     bool explicit_post_recv;
+    bool use_iouring; //since v1.2.9
     FCCommunicationType comm_type;
     struct sf_address_family_handler *fh;
     struct ibv_pd *pd;
@@ -179,7 +181,6 @@ typedef struct sf_context {
     struct nio_thread_data *thread_data;
     volatile int thread_count;
 
-    //int rdma_port_offset;
     bool is_client;   //since v1.2.5
     SFAddressFamily address_family;
     SFAddressFamilyHandler handlers[SF_ADDRESS_FAMILY_COUNT];