diff --git a/storage/ctc/ctc_srv_mq_stub.cc b/storage/ctc/ctc_srv_mq_stub.cc
index 9c700db9847dab7b7d3339ecb85871f1af9c44fb..cce5a05e8bc18fb645356a0ff85f7db473826d47 100644
--- a/storage/ctc/ctc_srv_mq_stub.cc
+++ b/storage/ctc/ctc_srv_mq_stub.cc
@@ -1825,7 +1825,7 @@ int ctc_update_sample_size(uint32_t sample_size, bool need_persist)
 {
   void *shm_inst = get_one_shm_inst(nullptr);
 
-  update_sample_size_request *req = (uint32_t*)alloc_share_mem(shm_inst, sizeof(update_sample_size_request));
+  update_sample_size_request *req = (update_sample_size_request* )alloc_share_mem(shm_inst, sizeof(update_sample_size_request));
   if (req == nullptr) {
     ctc_log_error("alloc shm mem error, shm_inst(%p), size(%lu)", shm_inst, sizeof(update_sample_size_request));
     return ERR_ALLOC_MEMORY;