diff --git a/src/idempotency/client/client_channel.c b/src/idempotency/client/client_channel.c
index 35d6db5..7253f46 100644
--- a/src/idempotency/client/client_channel.c
+++ b/src/idempotency/client/client_channel.c
@@ -135,7 +135,7 @@ static int idempotency_channel_alloc_init(void *element, void *args)
         return result;
     }
 
-    if ((result=init_pthread_lock_cond_pair(&channel->lc_pair)) != 0) {
+    if ((result=init_pthread_lock_cond_pair(&channel->lcp)) != 0) {
         return result;
     }
 
diff --git a/src/idempotency/client/client_channel.h b/src/idempotency/client/client_channel.h
index 6111ee1..aafbe65 100644
--- a/src/idempotency/client/client_channel.h
+++ b/src/idempotency/client/client_channel.h
@@ -80,7 +80,7 @@ static inline int idempotency_client_channel_check_wait_ex(
     }
 
     idempotency_client_channel_check_reconnect(channel);
-    lcp_timedwait_sec(&channel->lc_pair, timeout);
+    lcp_timedwait_sec(&channel->lcp, timeout);
     if (__sync_add_and_fetch(&channel->established, 0)) {
         return 0;
     } else {
diff --git a/src/idempotency/client/client_types.h b/src/idempotency/client/client_types.h
index 8e992bc..59fd063 100644
--- a/src/idempotency/client/client_types.h
+++ b/src/idempotency/client/client_types.h
@@ -46,7 +46,7 @@ typedef struct idempotency_client_channel {
     time_t last_connect_time;  //for connect frequency control
     time_t last_pkg_time;      //last communication time
     time_t last_report_time;   //last report time for rpc receipt
-    pthread_lock_cond_pair_t lc_pair;  //for channel valid check and notify
+    pthread_lock_cond_pair_t lcp;  //for channel valid check and notify
     struct fast_mblock_man receipt_allocator;
     struct fast_task_info *task;
     struct fc_queue queue;
diff --git a/src/idempotency/client/receipt_handler.c b/src/idempotency/client/receipt_handler.c
index a8ed609..ecaf850 100644
--- a/src/idempotency/client/receipt_handler.c
+++ b/src/idempotency/client/receipt_handler.c
@@ -284,9 +284,9 @@ static int deal_setup_channel_response(struct fast_task_info *task)
     }
     channel->buffer_size = FC_MIN(buffer_size, task->size);
 
-    PTHREAD_MUTEX_LOCK(&channel->lc_pair.lock);
-    pthread_cond_broadcast(&channel->lc_pair.cond);
-    PTHREAD_MUTEX_UNLOCK(&channel->lc_pair.lock);
+    PTHREAD_MUTEX_LOCK(&channel->lcp.lock);
+    pthread_cond_broadcast(&channel->lcp.cond);
+    PTHREAD_MUTEX_UNLOCK(&channel->lcp.lock);
 
     if (channel->waiting_resp_qinfo.head != NULL) {
         bool notify;