diff --git a/include/uv.h b/include/uv.h
index e36e1ac536090aae072cf6854cf0ade43e658cc4..4399b5b4032f5bf6e3bbb006eaab53573b72991f 100644
--- a/include/uv.h
+++ b/include/uv.h
@@ -1953,7 +1953,7 @@ UV_EXTERN void* uv_loop_get_data(const uv_loop_t*);
 UV_EXTERN void uv_loop_set_data(uv_loop_t*, void* data);
 UV_EXTERN int uv_register_task_to_event(struct uv_loop_s* loop, uv_post_task func, void* handler);
 UV_EXTERN int uv_unregister_task_to_event(struct uv_loop_s* loop);
-UV_EXTERN int uv_check_data_valid(struct uv_loop_data* data);
+UV_EXTERN int uv_check_data_valid(uv_loop_t* loop);
 
 /* String utilities needed internally for dealing with Windows. */
 size_t uv_utf16_length_as_wtf8(const uint16_t* utf16,
diff --git a/src/threadpool.c b/src/threadpool.c
index 3f058d77228728fce0b41db496709738ae95eb67..a449dbf249810440c95e54a8e3adcd23c68ce73c 100644
--- a/src/threadpool.c
+++ b/src/threadpool.c
@@ -653,11 +653,10 @@ static int uv__work_cancel(uv_loop_t* loop, uv_req_t* req, struct uv__work* w) {
   uv__loop_internal_fields_t* lfields = uv__get_internal_fields(w->loop);
   int qos = (ffrt_qos_t)(intptr_t)req->reserved[0];
 
-  if (uv_check_data_valid((struct uv_loop_data*)(w->loop->data)) == 0) {
+  if (uv_check_data_valid(w->loop) == 0) {
     int status = (w->work == uv__cancelled) ? UV_ECANCELED : 0;
-    struct uv_loop_data* addr = (struct uv_loop_data*)((uint64_t)w->loop->data -
-      (UV_EVENT_MAGIC_OFFSET << UV_EVENT_MAGIC_OFFSETBITS));
-    addr->post_task_func(addr->event_handler, uv__task_done_wrapper, (void*)w, status, qos);
+    struct uv_loop_data* data = (struct uv_loop_data*)w->loop->data;
+    data->post_task_func(data->event_handler, uv__task_done_wrapper, (void*)w, status, qos);
   } else {
     uv__queue_insert_tail(&(lfields->wq_sub[qos]), &w->wq);
     uv_async_send(&loop->wq_async);
@@ -680,7 +679,7 @@ void uv__work_done(uv_async_t* handle) {
 
   loop = container_of(handle, uv_loop_t, wq_async);
 #ifdef USE_OHOS_DFX
-  if (uv_check_data_valid((struct uv_loop_data*)(loop->data)) != 0)
+  if (uv_check_data_valid(loop) != 0)
     uv__print_active_reqs(loop, "complete");
 #endif
   rdlock_closed_uv_loop_rwlock();
@@ -805,11 +804,10 @@ void uv__ffrt_work(ffrt_executor_task_t* data, ffrt_qos_t qos)
   uv_mutex_lock(&loop->wq_mutex);
   w->work = NULL; /* Signal uv_cancel() that the work req is done executing. */
 
-  if (uv_check_data_valid((struct uv_loop_data*)(loop->data)) == 0) {
+  if (uv_check_data_valid(loop) == 0) {
     int status = (w->work == uv__cancelled) ? UV_ECANCELED : 0;
-    struct uv_loop_data* addr = (struct uv_loop_data*)((uint64_t)loop->data -
-      (UV_EVENT_MAGIC_OFFSET << UV_EVENT_MAGIC_OFFSETBITS));
-    addr->post_task_func(addr->event_handler, uv__task_done_wrapper, (void*)w, status, qos);
+    struct uv_loop_data* data = (struct uv_loop_data*)loop->data;
+    data->post_task_func(data->event_handler, uv__task_done_wrapper, (void*)w, status, qos);
   } else {
     uv__loop_internal_fields_t* lfields = uv__get_internal_fields(loop);
     uv__queue_insert_tail(&(lfields->wq_sub[qos]), &w->wq);
diff --git a/src/timer.c b/src/timer.c
index 35548b421ca56f39ece914b2aafc17e540b47746..124c4e6e1547991d80021b1bed9fc76db4385af2 100644
--- a/src/timer.c
+++ b/src/timer.c
@@ -98,7 +98,7 @@ int uv_timer_start(uv_timer_t* handle,
               timer_less_than);
   uv__handle_start(handle);
 #ifdef __linux__
-  if (uv_check_data_valid((struct uv_loop_data*)handle->loop->data) == 0) {
+  if (uv_check_data_valid(handle->loop) == 0) {
     uv_async_send(&handle->loop->wq_async);
   }
 #endif
diff --git a/src/unix/core.c b/src/unix/core.c
index ba7c8cef32d667947ad6dface7a70faf147ea355..bf7658dd9cc0cf4a5c67f5052cf957c6287681aa 100644
--- a/src/unix/core.c
+++ b/src/unix/core.c
@@ -1937,17 +1937,13 @@ int uv_register_task_to_event(struct uv_loop_s* loop, uv_post_task func, void* h
   struct uv_loop_data* data = (struct uv_loop_data*)malloc(sizeof(struct uv_loop_data));
   if (data == NULL)
     return -1;
-  if ((uint64_t)data >> UV_EVENT_MAGIC_OFFSETBITS != 0x0) {
-    UV_LOGE("malloc address error");
-    free(data);
-    return -1;
-  }
 
   (void)memset(data, 0, sizeof(struct uv_loop_data));
   data->post_task_func = func;
   data->event_handler = handler;
-  data = (struct uv_loop_data*)((uint64_t)data | (UV_EVENT_MAGIC_OFFSET << UV_EVENT_MAGIC_OFFSETBITS));
   loop->data = (void *)data;
+  uv__loop_internal_fields_t* lfields_flag = uv__get_internal_fields(loop);
+  lfields_flag->register_flag = 1;
   return 0;
 #else
   return -1;
@@ -1958,13 +1954,12 @@ int uv_register_task_to_event(struct uv_loop_s* loop, uv_post_task func, void* h
 int uv_unregister_task_to_event(struct uv_loop_s* loop)
 {
 #if defined(__aarch64__)
-  if (loop == NULL || loop->data == NULL ||
-    ((uint64_t)loop->data >> UV_EVENT_MAGIC_OFFSETBITS) != (uint64_t)(UV_EVENT_MAGIC_OFFSET))
+  uv__loop_internal_fields_t* lfields_flag = uv__get_internal_fields(loop);
+  if (loop == NULL || loop->data == NULL || lfields_flag->register_flag == 0)
     return -1;
-  loop->data = (struct uv_loop_data*)((uint64_t)loop->data -
-    (UV_EVENT_MAGIC_OFFSET << UV_EVENT_MAGIC_OFFSETBITS));
   free(loop->data);
   loop->data = NULL;
+  lfields_flag->register_flag = 0;
   return 0;
 #else
   return -1;
@@ -1972,14 +1967,13 @@ int uv_unregister_task_to_event(struct uv_loop_s* loop)
 }
 
 
-int uv_check_data_valid(struct uv_loop_data* data) {
+int uv_check_data_valid(uv_loop_t* loop) {
 #if defined(__aarch64__)
-  if (data == NULL || ((uint64_t)data >> UV_EVENT_MAGIC_OFFSETBITS) != (uint64_t)(UV_EVENT_MAGIC_OFFSET)) {
+  uv__loop_internal_fields_t* lfields_flag = uv__get_internal_fields(loop);
+  if (loop == NULL || loop->data == NULL || lfields_flag->register_flag == 0) {
     return -1;
   }
-  struct uv_loop_data* addr = (struct uv_loop_data*)((uint64_t)data -
-    (UV_EVENT_MAGIC_OFFSET << UV_EVENT_MAGIC_OFFSETBITS));
-  if (addr->post_task_func == NULL) {
+  if (((struct uv_loop_data*)loop->data)->post_task_func == NULL) {
     UV_LOGE("post_task_func NULL");
     return -1;
   }
diff --git a/src/unix/loop.c b/src/unix/loop.c
index 2cb896aa40319469ca619159f1e4371a26675868..8db6aa5eea5c13107c8bca42888af91196723e60 100644
--- a/src/unix/loop.c
+++ b/src/unix/loop.c
@@ -67,6 +67,10 @@ int uv_loop_init(uv_loop_t* loop) {
   uv__queue_init(&loop->handle_queue);
 
   loop->active_handles = 0;
+#ifdef __aarch64__
+  uv__loop_internal_fields_t* lfields_flag = uv__get_internal_fields(loop);
+  lfields_flag->register_flag = 0;
+#endif
   loop->active_reqs.count = 0;
   loop->nfds = 0;
   loop->watchers = NULL;
diff --git a/src/uv-common.h b/src/uv-common.h
index bc2e3009814a9f5183579c46628ddf39f5c542c5..2df434de5033effbf1179bf81ef1a870fb741dac 100644
--- a/src/uv-common.h
+++ b/src/uv-common.h
@@ -450,6 +450,9 @@ struct uv__loop_internal_fields_s {
 #ifdef USE_FFRT
   struct uv__queue wq_sub[4];
 #endif
+#ifdef __aarch64__
+  unsigned int register_flag;
+#endif
 };
 
 uint64_t uv__get_addr_tag(void* addr);