diff --git a/bsp/allwinner_tina/libcpu/trap.c b/bsp/allwinner_tina/libcpu/trap.c
index 2017f33759..69fdc7c5f5 100644
--- a/bsp/allwinner_tina/libcpu/trap.c
+++ b/bsp/allwinner_tina/libcpu/trap.c
@@ -87,7 +87,7 @@ void rt_hw_trap_udef(struct rt_hw_register *regs)
     rt_hw_show_register(regs);
 
     rt_kprintf("undefined instruction\n");
-    rt_kprintf("thread - %s stack:\n", rt_current_thread->name);
+    rt_kprintf("thread - %s stack:\n", rt_current_thread->parent.name);
 
 #if defined(RT_USING_FINSH) && defined(MSH_USING_BUILT_IN_COMMANDS)
     list_thread();
@@ -139,7 +139,7 @@ void rt_hw_trap_pabt(struct rt_hw_register *regs)
     rt_hw_show_register(regs);
 
     rt_kprintf("prefetch abort\n");
-    rt_kprintf("thread - %s stack:\n", RT_NAME_MAX, rt_current_thread->name);
+    rt_kprintf("thread - %s stack:\n", RT_NAME_MAX, rt_current_thread->parent.name);
 
 #if defined(RT_USING_FINSH) && defined(MSH_USING_BUILT_IN_COMMANDS)
     list_thread();
@@ -167,7 +167,7 @@ void rt_hw_trap_dabt(struct rt_hw_register *regs)
     rt_hw_show_register(regs);
 
     rt_kprintf("data abort\n");
-    rt_kprintf("thread - %s stack:\n", RT_NAME_MAX, rt_current_thread->name);
+    rt_kprintf("thread - %s stack:\n", RT_NAME_MAX, rt_current_thread->parent.name);
 
 #if defined(RT_USING_FINSH) && defined(MSH_USING_BUILT_IN_COMMANDS)
     list_thread();
diff --git a/bsp/bluetrum/ab32vg1-ab-prougen/board/board.c b/bsp/bluetrum/ab32vg1-ab-prougen/board/board.c
index 7d7a1dcd5b..3b886ccda0 100644
--- a/bsp/bluetrum/ab32vg1-ab-prougen/board/board.c
+++ b/bsp/bluetrum/ab32vg1-ab-prougen/board/board.c
@@ -281,7 +281,7 @@ void exception_isr(void)
 
 #if defined(RT_USING_CONSOLE) && defined(RT_USING_DEVICE)
     rt_console_set_device(RT_NULL);
-    rt_kprintf(stack_info, rt_thread_self()->sp, rt_thread_self()->name);
+    rt_kprintf(stack_info, rt_thread_self()->sp, rt_thread_self()->parent.name);
 #endif
 
     while (1);
diff --git a/bsp/dm365/platform/trap.c b/bsp/dm365/platform/trap.c
index 68b834b9d8..b57198c0d6 100644
--- a/bsp/dm365/platform/trap.c
+++ b/bsp/dm365/platform/trap.c
@@ -54,7 +54,7 @@ void rt_hw_trap_udef(struct rt_hw_register *regs)
     rt_hw_show_register(regs);
 
     rt_kprintf("undefined instruction\n");
-    rt_kprintf("thread - %s stack:\n", rt_current_thread->name);
+    rt_kprintf("thread - %s stack:\n", rt_current_thread->parent.name);
 
 #if defined(RT_USING_FINSH) && defined(MSH_USING_BUILT_IN_COMMANDS)
     list_thread();
@@ -92,7 +92,7 @@ void rt_hw_trap_pabt(struct rt_hw_register *regs)
     rt_hw_show_register(regs);
 
     rt_kprintf("prefetch abort\n");
-    rt_kprintf("thread - %s stack:\n", rt_current_thread->name);
+    rt_kprintf("thread - %s stack:\n", rt_current_thread->parent.name);
 
 #if defined(RT_USING_FINSH) && defined(MSH_USING_BUILT_IN_COMMANDS)
     list_thread();
@@ -128,7 +128,7 @@ void rt_hw_trap_dabt(struct rt_hw_register *regs)
     rt_hw_show_register(regs);
 
     rt_kprintf("data abort\n");
-    rt_kprintf("thread - %s stack:\n", rt_current_thread->name);
+    rt_kprintf("thread - %s stack:\n", rt_current_thread->parent.name);
 
 #if defined(RT_USING_FINSH) && defined(MSH_USING_BUILT_IN_COMMANDS)
     list_thread();
diff --git a/bsp/raspberry-pico/libcpu/cpuport.c b/bsp/raspberry-pico/libcpu/cpuport.c
index 6e0da147f6..93cc35189a 100644
--- a/bsp/raspberry-pico/libcpu/cpuport.c
+++ b/bsp/raspberry-pico/libcpu/cpuport.c
@@ -253,9 +253,9 @@ void rt_hw_hard_fault_exception(struct exception_stack_frame *contex)
 
 #ifdef RT_USING_SMP
     rt_thread_t rt_current_thread = rt_thread_self();
-    rt_kprintf("hard fault on cpu : %d on thread: %s\n", rt_current_thread->oncpu, rt_current_thread->name);
+    rt_kprintf("hard fault on cpu : %d on thread: %s\n", rt_current_thread->oncpu, rt_current_thread->parent.name);
 #else
-    rt_kprintf("hard fault on thread: %s\n", rt_current_thread->name);
+    rt_kprintf("hard fault on thread: %s\n", rt_current_thread->parent.name);
 #endif
 #if defined(RT_USING_FINSH) && defined(MSH_USING_BUILT_IN_COMMANDS)
     list_thread();
diff --git a/bsp/simulator/drivers/module_win32.c b/bsp/simulator/drivers/module_win32.c
index 0f07576964..590aad39bd 100644
--- a/bsp/simulator/drivers/module_win32.c
+++ b/bsp/simulator/drivers/module_win32.c
@@ -143,7 +143,7 @@ rt_module_t rt_module_self(void)
         return RT_NULL;
 
     /* return current module */
-    return (rt_module_t)tid->module_id;
+    return (rt_module_t)tid->parent.module_id;
 }
 RTM_EXPORT(rt_module_self);
 
@@ -319,7 +319,7 @@ rt_module_t rt_module_open(const char *path)
             module->module_entry));
 
         /* set module id */
-        module->module_thread->module_id = (void *)module;
+        module->module_thread->parent.module_id = (void *)module;
         module->parent.flag = RT_MODULE_FLAG_WITHENTRY;
 
         /* startup module thread */
@@ -520,11 +520,11 @@ rt_module_t rt_module_exec_cmd(const char *path, const char* cmd_line, int line_
             2048, RT_THREAD_PRIORITY_MAX - 2, 10);
 
         /* set module id */
-        module->module_thread->module_id = (void *)module;
+        module->module_thread->parent.module_id = (void *)module;
         module->parent.flag = RT_MODULE_FLAG_WITHENTRY;
 
         /* startup module thread */
-        rt_thread_startup(module->module_thread);
+        rt_thread_startup(module->parent.module_thread);
     }
     else
     {
diff --git a/bsp/taihu/applications/application.c b/bsp/taihu/applications/application.c
index a6c1c93502..aa2f2429ad 100644
--- a/bsp/taihu/applications/application.c
+++ b/bsp/taihu/applications/application.c
@@ -26,9 +26,9 @@ static void thread1_entry(void* parameter)
     while (1)
     {
         rt_sem_release(&sem2);
-        rt_kprintf("thread1..: %s\n", rt_thread_self()->name);
+        rt_kprintf("thread1..: %s\n", rt_thread_self()->parent.name);
         rt_sem_take(&sem1, RT_WAITING_FOREVER);
-        rt_kprintf("get semaphore: %s!\n", rt_thread_self()->name);
+        rt_kprintf("thread1..: %s\n", rt_thread_self()->parent.name);
     }
 }
 
@@ -37,7 +37,7 @@ static void thread2_entry(void* parameter)
     while (1)
     {
         rt_sem_take(&sem2, RT_WAITING_FOREVER);
-        rt_kprintf("thread2--->: %s\n", rt_thread_self()->name);
+        rt_kprintf("thread2--->: %s\n", rt_thread_self()->parent.name);
         rt_sem_release(&sem1);
     }
 }
@@ -73,7 +73,7 @@ static void thread1_entry(void* parameter)
     rt_uint32_t count = 0;
     while (1)
     {
-        rt_kprintf("%s: count = %d\n", rt_thread_self()->name, count ++);
+        rt_kprintf("%s: count = %d\n", rt_thread_self()->parent.name, count ++);
 
         rt_thread_delay(10);
     }
diff --git a/bsp/w60x/drivers/board.c b/bsp/w60x/drivers/board.c
index 02a7b2586a..6ba8996da2 100644
--- a/bsp/w60x/drivers/board.c
+++ b/bsp/w60x/drivers/board.c
@@ -143,7 +143,7 @@ static void _thread_inited_hook(rt_thread_t thread)
     if ((stk_start + stack_size) >= TASK_STACK_USING_MEM_UPPER_RANGE)
     {
         rt_kprintf("thread[%s] stack only between 0x%08x and 0x%08x, please use rt_create_thread()!!\n",
-                   thread->name, TASK_STACK_USING_MEM_LOWER_RANGE, TASK_STACK_USING_MEM_UPPER_RANGE);
+                   thread->parent.name, TASK_STACK_USING_MEM_LOWER_RANGE, TASK_STACK_USING_MEM_UPPER_RANGE);
     }
     RT_ASSERT((stk_start + stack_size) < TASK_STACK_USING_MEM_UPPER_RANGE);
 }
diff --git a/components/finsh/cmd.c b/components/finsh/cmd.c
index 57b033cc57..a9a673101e 100644
--- a/components/finsh/cmd.c
+++ b/components/finsh/cmd.c
@@ -204,12 +204,12 @@ long list_thread(void)
 
 #ifdef RT_USING_SMP
                     if (thread->oncpu != RT_CPU_DETACHED)
-                        rt_kprintf("%-*.*s %3d %3d %4d ", maxlen, RT_NAME_MAX, thread->name, thread->oncpu, thread->bind_cpu, thread->current_priority);
+                        rt_kprintf("%-*.*s %3d %3d %4d ", maxlen, RT_NAME_MAX, thread->parent.name, thread->oncpu, thread->bind_cpu, thread->current_priority);
                     else
-                        rt_kprintf("%-*.*s N/A %3d %4d ", maxlen, RT_NAME_MAX, thread->name, thread->bind_cpu, thread->current_priority);
+                        rt_kprintf("%-*.*s N/A %3d %4d ", maxlen, RT_NAME_MAX, thread->parent.name, thread->bind_cpu, thread->current_priority);
 
 #else
-                    rt_kprintf("%-*.*s %3d ", maxlen, RT_NAME_MAX, thread->name, thread->current_priority);
+                    rt_kprintf("%-*.*s %3d ", maxlen, RT_NAME_MAX, thread->parent.name, thread->current_priority);
 #endif /*RT_USING_SMP*/
                     stat = (thread->stat & RT_THREAD_STAT_MASK);
                     if (stat == RT_THREAD_READY)        rt_kprintf(" ready  ");
@@ -256,7 +256,7 @@ static void show_wait_queue(struct rt_list_node *list)
     for (node = list->next; node != list; node = node->next)
     {
         thread = rt_list_entry(node, struct rt_thread, tlist);
-        rt_kprintf("%.*s", RT_NAME_MAX, thread->name);
+        rt_kprintf("%.*s", RT_NAME_MAX, thread->parent.name);
 
         if (node->next != list)
             rt_kprintf("/");
@@ -439,7 +439,7 @@ long list_mutex(void)
                            maxlen, RT_NAME_MAX,
                            m->parent.parent.name,
                            RT_NAME_MAX,
-                           m->owner->name,
+                           m->owner->parent.name,
                            m->hold,
                            m->priority,
                            rt_list_len(&m->parent.suspend_thread));
@@ -452,7 +452,7 @@ long list_mutex(void)
                            maxlen, RT_NAME_MAX,
                            m->parent.parent.name,
                            RT_NAME_MAX,
-                           m->owner->name,
+                           m->owner->parent.name,
                            m->hold,
                            m->priority,
                            rt_list_len(&m->parent.suspend_thread));
diff --git a/components/libc/compilers/common/cstdlib.c b/components/libc/compilers/common/cstdlib.c
index 4a978a106c..64bfbb10e0 100644
--- a/components/libc/compilers/common/cstdlib.c
+++ b/components/libc/compilers/common/cstdlib.c
@@ -20,7 +20,7 @@ void __rt_libc_exit(int status)
 
     if (self != RT_NULL)
     {
-        LOG_W("thread:%s exit:%d!", self->name, status);
+        LOG_W("thread:%s exit:%d!", self->parent.name, status);
 #ifdef RT_USING_PTHREADS
         if(self->pthread_data != RT_NULL)
         {
diff --git a/components/libc/posix/libdl/dlmodule.c b/components/libc/posix/libdl/dlmodule.c
index 723c8b7b73..eebc5be0f9 100644
--- a/components/libc/posix/libdl/dlmodule.c
+++ b/components/libc/posix/libdl/dlmodule.c
@@ -197,7 +197,7 @@ struct rt_dlmodule *dlmodule_create(void)
 
 void dlmodule_destroy_subthread(struct rt_dlmodule *module, rt_thread_t thread)
 {
-    RT_ASSERT(thread->module_id == module);
+    RT_ASSERT(thread->parent.module_id== module);
 
     /* lock scheduler to prevent scheduling in cleanup function. */
     rt_enter_critical();
@@ -225,7 +225,7 @@ void dlmodule_destroy_subthread(struct rt_dlmodule *module, rt_thread_t thread)
     rt_thread_free_sig(thread);
 #endif
 
-    if (thread->type & RT_Object_Class_Static)
+    if (thread->parent.type & RT_Object_Class_Static)
     {
         /* detach object */
         rt_object_detach((rt_object_t)thread);
@@ -409,7 +409,7 @@ struct rt_dlmodule *dlmodule_self(void)
     tid = rt_thread_self();
     if (tid)
     {
-        ret = (struct rt_dlmodule*) tid->module_id;
+        ret = (struct rt_dlmodule*) tid->parent.module_id;
     }
 
     return ret;
@@ -555,7 +555,7 @@ struct rt_dlmodule* dlmodule_exec(const char* pgname, const char* cmd, int cmd_s
                 module->stack_size, module->priority, 10);
             if (tid)
             {
-                tid->module_id = module;
+                tid->parent.module_id= module;
                 module->main_thread = tid;
 
                 rt_thread_startup(tid);
@@ -732,7 +732,7 @@ struct rt_dlmodule* dlmodule_exec_custom(const char* pgname, const char* cmd, in
                 module->stack_size, module->priority, 10);
             if (tid)
             {
-                tid->module_id = module;
+                tid->parent.module_id= module;
                 module->main_thread = tid;
 
                 rt_thread_startup(tid);
diff --git a/components/lwp/arch/x86/i386/lwp_arch.c b/components/lwp/arch/x86/i386/lwp_arch.c
index aa93abd3f6..9f9e846582 100644
--- a/components/lwp/arch/x86/i386/lwp_arch.c
+++ b/components/lwp/arch/x86/i386/lwp_arch.c
@@ -48,7 +48,7 @@ int arch_expand_user_stack(void *addr)
         else /* map failed, send signal SIGSEGV */
         {
 #ifdef RT_USING_SIGNALS
-            dbg_log(DBG_ERROR, "[fault] thread %s mapped addr %p failed!\n", rt_thread_self()->name, addr);
+            dbg_log(DBG_ERROR, "[fault] thread %s mapped addr %p failed!\n", rt_thread_self()->parent.name, addr);
             lwp_thread_kill(rt_thread_self(), SIGSEGV);
             ret = 1;    /* return 1, will return back to intr, then check exit */
 #endif
@@ -57,7 +57,7 @@ int arch_expand_user_stack(void *addr)
     else    /* not stack, send signal SIGSEGV */
     {
 #ifdef RT_USING_SIGNALS
-        dbg_log(DBG_ERROR, "[fault] thread %s access unmapped addr %p!\n", rt_thread_self()->name, addr);
+        dbg_log(DBG_ERROR, "[fault] thread %s access unmapped addr %p!\n", rt_thread_self()->parent.name, addr);
         lwp_thread_kill(rt_thread_self(), SIGSEGV);
         ret = 1;    /* return 1, will return back to intr, then check exit */
 #endif
diff --git a/components/lwp/lwp.c b/components/lwp/lwp.c
index 7fe3230ac5..0af0399cc6 100644
--- a/components/lwp/lwp.c
+++ b/components/lwp/lwp.c
@@ -1034,7 +1034,7 @@ void lwp_cleanup(struct rt_thread *tid)
         return;
     }
 
-    LOG_I("cleanup thread: %s, stack_addr: %08X", tid->name, tid->stack_addr);
+    LOG_I("cleanup thread: %s, stack_addr: %08X", tid->parent.name, tid->stack_addr);
 
     level = rt_hw_interrupt_disable();
     lwp = (struct rt_lwp *)tid->lwp;
diff --git a/components/lwp/lwp_pid.c b/components/lwp/lwp_pid.c
index caff790f5e..d22c3f3d68 100644
--- a/components/lwp/lwp_pid.c
+++ b/components/lwp/lwp_pid.c
@@ -709,11 +709,11 @@ static void print_thread_info(struct rt_thread* thread, int maxlen)
 
 #ifdef RT_USING_SMP
     if (thread->oncpu != RT_CPU_DETACHED)
-        rt_kprintf("%-*.*s %3d %3d ", maxlen, RT_NAME_MAX, thread->name, thread->oncpu, thread->current_priority);
+        rt_kprintf("%-*.*s %3d %3d ", maxlen, RT_NAME_MAX, thread->parent.name, thread->oncpu, thread->current_priority);
     else
-        rt_kprintf("%-*.*s N/A %3d ", maxlen, RT_NAME_MAX, thread->name, thread->current_priority);
+        rt_kprintf("%-*.*s N/A %3d ", maxlen, RT_NAME_MAX, thread->parent.name, thread->current_priority);
 #else
-    rt_kprintf("%-*.*s %3d ", maxlen, RT_NAME_MAX, thread->name, thread->current_priority);
+    rt_kprintf("%-*.*s %3d ", maxlen, RT_NAME_MAX, thread->parent.name, thread->current_priority);
 #endif /*RT_USING_SMP*/
 
     stat = (thread->stat & RT_THREAD_STAT_MASK);
@@ -787,7 +787,7 @@ long list_process(void)
 
                     thread = threads[index];
                     level = rt_hw_interrupt_disable();
-                    if ((thread->type & ~RT_Object_Class_Static) != RT_Object_Class_Thread)
+                    if ((thread->parent.type & ~RT_Object_Class_Static) != RT_Object_Class_Thread)
                     {
                         rt_hw_interrupt_enable(level);
                         continue;
diff --git a/components/lwp/lwp_syscall.c b/components/lwp/lwp_syscall.c
index da9812d947..77eb77f556 100644
--- a/components/lwp/lwp_syscall.c
+++ b/components/lwp/lwp_syscall.c
@@ -1525,7 +1525,7 @@ long _sys_clone(void *arg[])
         goto fail;
     }
 
-    thread = rt_thread_create(self->name,
+    thread = rt_thread_create(self->parent.name,
             RT_NULL,
             RT_NULL,
             self->stack_size,
@@ -1713,7 +1713,7 @@ sysret_t _sys_fork(void)
     /* create thread */
     self_thread = rt_thread_self();
 
-    thread = rt_thread_create(self_thread->name,
+    thread = rt_thread_create(self_thread->parent.name,
             RT_NULL,
             RT_NULL,
             self_thread->stack_size,
@@ -2361,7 +2361,7 @@ sysret_t sys_execve(const char *path, char *const argv[], char *const envp[])
         /* load ok, now set thread name and swap the data of lwp and new_lwp */
         level = rt_hw_interrupt_disable();
 
-        rt_strncpy(thread->name, run_name + last_backslash, RT_NAME_MAX);
+        rt_strncpy(thread->parent.name, run_name + last_backslash, RT_NAME_MAX);
 
         rt_pages_free(page, 0);
 
@@ -2420,7 +2420,7 @@ rt_err_t sys_thread_delete(rt_thread_t thread)
 #else
     rt_err_t ret = 0;
 
-    if(thread->type != RT_Object_Class_Thread)
+    if(thread->parent.type != RT_Object_Class_Thread)
     {
         ret = -EINVAL;
         goto __exit;
diff --git a/components/net/lwip/port/sys_arch.c b/components/net/lwip/port/sys_arch.c
index 145958a0fb..066a75e92a 100644
--- a/components/net/lwip/port/sys_arch.c
+++ b/components/net/lwip/port/sys_arch.c
@@ -525,7 +525,7 @@ void sys_arch_unprotect(sys_prot_t pval)
 void sys_arch_assert(const char *file, int line)
 {
     rt_kprintf("\nAssertion: %d in %s, thread %s\n",
-               line, file, rt_thread_self()->name);
+               line, file, rt_thread_self()->parent.name);
     RT_ASSERT(0);
 }
 
diff --git a/components/utilities/ulog/syslog/syslog.c b/components/utilities/ulog/syslog/syslog.c
index 474a524b89..213379ee4b 100644
--- a/components/utilities/ulog/syslog/syslog.c
+++ b/components/utilities/ulog/syslog/syslog.c
@@ -213,7 +213,7 @@ rt_weak rt_size_t syslog_formater(char *log_buf, int level, const char *tag, rt_
         /* is not in interrupt context */
         if (rt_interrupt_get_nest() == 0)
         {
-            log_len += ulog_strcpy(log_len, log_buf + log_len, rt_thread_self()->name);
+            log_len += ulog_strcpy(log_len, log_buf + log_len, rt_thread_self()->parent.name);
         }
         else
         {
diff --git a/components/utilities/ulog/ulog.c b/components/utilities/ulog/ulog.c
index 49c111a41c..c83d40dbfe 100644
--- a/components/utilities/ulog/ulog.c
+++ b/components/utilities/ulog/ulog.c
@@ -352,7 +352,7 @@ rt_weak rt_size_t ulog_head_formater(char *log_buf, rt_uint32_t level, const cha
             const char *thread_name = "N/A";
             if (rt_thread_self())
             {
-                thread_name = rt_thread_self()->name;
+                thread_name = rt_thread_self()->parent.name;
             }
             name_len = rt_strnlen(thread_name, RT_NAME_MAX);
             rt_strncpy(log_buf + log_len, thread_name, name_len);
diff --git a/components/vbus/watermark_queue.c b/components/vbus/watermark_queue.c
index 15c42d8080..6108046905 100644
--- a/components/vbus/watermark_queue.c
+++ b/components/vbus/watermark_queue.c
@@ -46,7 +46,7 @@ void rt_wm_que_dump(struct rt_watermark_queue *wg)
         thread = rt_list_entry(wg->suspended_threads.next,
                                struct rt_thread,
                                tlist);
-        rt_kprintf(" %.*s", RT_NAME_MAX, thread->name);
+        rt_kprintf(" %.*s", RT_NAME_MAX, thread->parent.name);
     }
     rt_kprintf("\n");
 }
diff --git a/include/rtdef.h b/include/rtdef.h
index 9746fea388..1c3b1a5027 100644
--- a/include/rtdef.h
+++ b/include/rtdef.h
@@ -744,24 +744,7 @@ struct rt_user_context
  */
 struct rt_thread
 {
-    /* rt object */
-#if RT_NAME_MAX > 0
-    char        name[RT_NAME_MAX];                      /**< dynamic name of kernel object */
-#else
-    const char *name;                                   /**< static name of kernel object */
-#endif /* RT_NAME_MAX > 0 */
-    rt_uint8_t  type;                                   /**< type of object */
-    rt_uint8_t  flags;                                  /**< thread's flags */
-
-#ifdef RT_USING_MODULE
-    void       *module_id;                              /**< id of application module */
-#endif /* RT_USING_MODULE */
-
-#ifdef RT_USING_SMART
-    int       lwp_ref_count;                            /**< ref count for lwp */
-#endif /* RT_USING_SMART */
-
-    rt_list_t   list;                                   /**< the object list */
+    struct rt_object parent;
     rt_list_t   tlist;                                  /**< the thread list */
 
     /* stack point and entry */
diff --git a/libcpu/aarch64/common/trap.c b/libcpu/aarch64/common/trap.c
index 59378d08e4..dd5468daf1 100644
--- a/libcpu/aarch64/common/trap.c
+++ b/libcpu/aarch64/common/trap.c
@@ -289,7 +289,7 @@ void rt_hw_trap_exception(struct rt_hw_exp_stack *regs)
 #endif
     process_exception(esr, regs->pc);
     rt_hw_show_register(regs);
-    rt_kprintf("current: %s\n", rt_thread_self()->name);
+    rt_kprintf("current: %s\n", rt_thread_self()->parent.name);
 #ifdef RT_USING_LWP
     check_user_fault(regs, 0, "user fault");
 #endif
@@ -304,7 +304,7 @@ void rt_hw_trap_serror(struct rt_hw_exp_stack *regs)
 {
     rt_kprintf("SError\n");
     rt_hw_show_register(regs);
-    rt_kprintf("current: %s\n", rt_thread_self()->name);
+    rt_kprintf("current: %s\n", rt_thread_self()->parent.name);
 #ifdef RT_USING_FINSH
     list_thread();
 #endif
diff --git a/libcpu/arm/AT91SAM7X/trap.c b/libcpu/arm/AT91SAM7X/trap.c
index 3c012dd85e..b2dfdb4949 100644
--- a/libcpu/arm/AT91SAM7X/trap.c
+++ b/libcpu/arm/AT91SAM7X/trap.c
@@ -41,7 +41,7 @@ void rt_hw_trap_fiq(void)
 extern struct rt_thread* rt_current_thread;
 void rt_hw_trap_abort(void)
 {
-    rt_kprintf("Abort occured!!! Thread [%s] suspended.\n",rt_current_thread->name);
+    rt_kprintf("Abort occured!!! Thread [%s] suspended.\n",rt_current_thread->parent.name);
     rt_thread_suspend(rt_current_thread);
     rt_schedule();
 
diff --git a/libcpu/arm/am335x/trap.c b/libcpu/arm/am335x/trap.c
index 19cb31ad67..d8893d2a94 100644
--- a/libcpu/arm/am335x/trap.c
+++ b/libcpu/arm/am335x/trap.c
@@ -65,7 +65,7 @@ void rt_hw_trap_udef(struct rt_hw_register *regs)
     rt_hw_show_register(regs);
 
     rt_kprintf("undefined instruction\n");
-    rt_kprintf("thread %.*s stack:\n", RT_NAME_MAX, rt_current_thread->name);
+    rt_kprintf("thread %.*s stack:\n", RT_NAME_MAX, rt_current_thread->parent.name);
 
 #if defined(RT_USING_FINSH) && defined(MSH_USING_BUILT_IN_COMMANDS)
     list_thread();
@@ -103,7 +103,7 @@ void rt_hw_trap_pabt(struct rt_hw_register *regs)
     rt_hw_show_register(regs);
 
     rt_kprintf("prefetch abort\n");
-    rt_kprintf("thread %.*s stack:\n", RT_NAME_MAX, rt_current_thread->name);
+    rt_kprintf("thread %.*s stack:\n", RT_NAME_MAX, rt_current_thread->parent.name);
 
 #if defined(RT_USING_FINSH) && defined(MSH_USING_BUILT_IN_COMMANDS)
     list_thread();
@@ -131,7 +131,7 @@ void rt_hw_trap_dabt(struct rt_hw_register *regs)
     rt_hw_show_register(regs);
 
     rt_kprintf("data abort\n");
-    rt_kprintf("thread %.*s stack:\n", RT_NAME_MAX, rt_current_thread->name);
+    rt_kprintf("thread %.*s stack:\n", RT_NAME_MAX, rt_current_thread->parent.name);
 
 #if defined(RT_USING_FINSH) && defined(MSH_USING_BUILT_IN_COMMANDS)
     list_thread();
diff --git a/libcpu/arm/arm926/trap.c b/libcpu/arm/arm926/trap.c
index a1458f9bdf..64fc274ca9 100644
--- a/libcpu/arm/arm926/trap.c
+++ b/libcpu/arm/arm926/trap.c
@@ -88,7 +88,7 @@ void rt_hw_trap_udef(struct rt_hw_register *regs)
     rt_hw_show_register(regs);
 
     rt_kprintf("undefined instruction\n");
-    rt_kprintf("thread - %s stack:\n", rt_current_thread->name);
+    rt_kprintf("thread - %s stack:\n", rt_current_thread->parent.name);
 
 #if defined(RT_USING_FINSH) && defined(MSH_USING_BUILT_IN_COMMANDS)
     list_thread();
@@ -140,7 +140,7 @@ void rt_hw_trap_pabt(struct rt_hw_register *regs)
     rt_hw_show_register(regs);
 
     rt_kprintf("prefetch abort\n");
-    rt_kprintf("thread - %.*s stack:\n", RT_NAME_MAX, rt_current_thread->name);
+    rt_kprintf("thread - %.*s stack:\n", RT_NAME_MAX, rt_current_thread->parent.name);
 
 #if defined(RT_USING_FINSH) && defined(MSH_USING_BUILT_IN_COMMANDS)
     list_thread();
@@ -168,7 +168,7 @@ void rt_hw_trap_dabt(struct rt_hw_register *regs)
     rt_hw_show_register(regs);
 
     rt_kprintf("data abort\n");
-    rt_kprintf("thread - %.*s stack:\n", RT_NAME_MAX, rt_current_thread->name);
+    rt_kprintf("thread - %.*s stack:\n", RT_NAME_MAX, rt_current_thread->parent.name);
 
 #if defined(RT_USING_FINSH) && defined(MSH_USING_BUILT_IN_COMMANDS)
     list_thread();
diff --git a/libcpu/arm/cortex-m0/cpuport.c b/libcpu/arm/cortex-m0/cpuport.c
index 4d53640b2d..2d326364cf 100644
--- a/libcpu/arm/cortex-m0/cpuport.c
+++ b/libcpu/arm/cortex-m0/cpuport.c
@@ -108,7 +108,7 @@ void rt_hw_hard_fault_exception(struct exception_stack_frame *contex)
     rt_kprintf("r01: 0x%08x\n", contex->r1);
     rt_kprintf("r00: 0x%08x\n", contex->r0);
 
-    rt_kprintf("hard fault on thread: %s\n", rt_current_thread->name);
+    rt_kprintf("hard fault on thread: %s\n", rt_current_thread->parent.name);
 
 #if defined(RT_USING_FINSH) && defined(MSH_USING_BUILT_IN_COMMANDS)
     list_thread();
diff --git a/libcpu/arm/cortex-m23/cpuport.c b/libcpu/arm/cortex-m23/cpuport.c
index 1385118211..7533f2811f 100644
--- a/libcpu/arm/cortex-m23/cpuport.c
+++ b/libcpu/arm/cortex-m23/cpuport.c
@@ -109,7 +109,7 @@ void rt_hw_hard_fault_exception(struct exception_stack_frame *contex)
     rt_kprintf("r01: 0x%08x\n", contex->r1);
     rt_kprintf("r00: 0x%08x\n", contex->r0);
 
-    rt_kprintf("hard fault on thread: %s\n", rt_current_thread->name);
+    rt_kprintf("hard fault on thread: %s\n", rt_current_thread->parent.name);
 
 #if defined(RT_USING_FINSH) && defined(MSH_USING_BUILT_IN_COMMANDS)
     list_thread();
diff --git a/libcpu/arm/cortex-m3/cpuport.c b/libcpu/arm/cortex-m3/cpuport.c
index 75449fad3a..65fc7969c6 100644
--- a/libcpu/arm/cortex-m3/cpuport.c
+++ b/libcpu/arm/cortex-m3/cpuport.c
@@ -325,7 +325,7 @@ void rt_hw_hard_fault_exception(struct exception_info * exception_info)
 
     if(exception_info->exc_return & (1 << 2) )
     {
-        rt_kprintf("hard fault on thread: %s\r\n\r\n", rt_thread_self()->name);
+        rt_kprintf("hard fault on thread: %s\r\n\r\n", rt_thread_self()->parent.name);
 
 #if defined(RT_USING_FINSH) && defined(MSH_USING_BUILT_IN_COMMANDS)
         list_thread();
diff --git a/libcpu/arm/cortex-m33/cpuport.c b/libcpu/arm/cortex-m33/cpuport.c
index a713665539..9c110c7f55 100644
--- a/libcpu/arm/cortex-m33/cpuport.c
+++ b/libcpu/arm/cortex-m33/cpuport.c
@@ -462,7 +462,7 @@ void rt_hw_hard_fault_exception(struct exception_info *exception_info)
 
     if (exception_info->exc_return & (1 << 2))
     {
-        rt_kprintf("hard fault on thread: %s\r\n\r\n", rt_thread_self()->name);
+        rt_kprintf("hard fault on thread: %s\r\n\r\n", rt_thread_self()->parent.name);
 
 #if defined(RT_USING_FINSH) && defined(MSH_USING_BUILT_IN_COMMANDS)
         list_thread();
diff --git a/libcpu/arm/cortex-m4/cpuport.c b/libcpu/arm/cortex-m4/cpuport.c
index 903c228f82..1674d846e0 100644
--- a/libcpu/arm/cortex-m4/cpuport.c
+++ b/libcpu/arm/cortex-m4/cpuport.c
@@ -405,7 +405,7 @@ void rt_hw_hard_fault_exception(struct exception_info *exception_info)
 
     if (exception_info->exc_return & (1 << 2))
     {
-        rt_kprintf("hard fault on thread: %s\r\n\r\n", rt_thread_self()->name);
+        rt_kprintf("hard fault on thread: %s\r\n\r\n", rt_thread_self()->parent.name);
 
 #if defined(RT_USING_FINSH) && defined(MSH_USING_BUILT_IN_COMMANDS)
         list_thread();
diff --git a/libcpu/arm/cortex-m7/cpuport.c b/libcpu/arm/cortex-m7/cpuport.c
index 510a51dde1..14fee85262 100644
--- a/libcpu/arm/cortex-m7/cpuport.c
+++ b/libcpu/arm/cortex-m7/cpuport.c
@@ -404,7 +404,7 @@ void rt_hw_hard_fault_exception(struct exception_info *exception_info)
 
     if (exception_info->exc_return & (1 << 2))
     {
-        rt_kprintf("hard fault on thread: %s\r\n\r\n", rt_thread_self()->name);
+        rt_kprintf("hard fault on thread: %s\r\n\r\n", rt_thread_self()->parent.name);
 
 #if defined(RT_USING_FINSH) && defined(MSH_USING_BUILT_IN_COMMANDS)
         list_thread();
diff --git a/libcpu/arm/cortex-r4/trap.c b/libcpu/arm/cortex-r4/trap.c
index 3ff3d297c0..961c21445c 100644
--- a/libcpu/arm/cortex-r4/trap.c
+++ b/libcpu/arm/cortex-r4/trap.c
@@ -50,7 +50,7 @@ void rt_hw_trap_udef(struct rt_hw_exp_stack *regs)
     rt_kprintf("undefined instruction\n");
     rt_hw_show_register(regs);
     if (rt_thread_self() != RT_NULL)
-        rt_kprintf("Current Thread: %s\n", rt_thread_self()->name);
+        rt_kprintf("Current Thread: %s\n", rt_thread_self()->parent.name);
     rt_hw_cpu_shutdown();
 }
 
diff --git a/libcpu/arm/lpc24xx/trap.c b/libcpu/arm/lpc24xx/trap.c
index 7ad7328a93..e773b54ffb 100644
--- a/libcpu/arm/lpc24xx/trap.c
+++ b/libcpu/arm/lpc24xx/trap.c
@@ -49,7 +49,7 @@ void rt_hw_trap_udef(struct rt_hw_register *regs)
     rt_kprintf("undefined instruction\n");
     rt_hw_show_register(regs);
     if (rt_thread_self() != RT_NULL)
-        rt_kprintf("Current Thread: %s\n", rt_thread_self()->name);
+        rt_kprintf("Current Thread: %s\n", rt_thread_self()->parent.name);
     rt_hw_cpu_shutdown();
 }
 
@@ -67,7 +67,7 @@ void rt_hw_trap_swi(struct rt_hw_register *regs)
     rt_kprintf("software interrupt\n");
     rt_hw_show_register(regs);
     if (rt_thread_self() != RT_NULL)
-        rt_kprintf("Current Thread: %s\n", rt_thread_self()->name);
+        rt_kprintf("Current Thread: %s\n", rt_thread_self()->parent.name);
     rt_hw_cpu_shutdown();
 }
 
@@ -84,7 +84,7 @@ void rt_hw_trap_pabt(struct rt_hw_register *regs)
     rt_kprintf("prefetch abort\n");
     rt_hw_show_register(regs);
     if (rt_thread_self() != RT_NULL)
-        rt_kprintf("Current Thread: %s\n", rt_thread_self()->name);
+        rt_kprintf("Current Thread: %s\n", rt_thread_self()->parent.name);
     rt_hw_cpu_shutdown();
 }
 
@@ -101,7 +101,7 @@ void rt_hw_trap_dabt(struct rt_hw_register *regs)
     rt_kprintf("Data Abort ");
     rt_hw_show_register(regs);
     if (rt_thread_self() != RT_NULL)
-        rt_kprintf("Current Thread: %s\n", rt_thread_self()->name);
+        rt_kprintf("Current Thread: %s\n", rt_thread_self()->parent.name);
     rt_hw_cpu_shutdown();
 }
 
@@ -117,7 +117,7 @@ void rt_hw_trap_resv(struct rt_hw_register *regs)
     rt_kprintf("not used\n");
     rt_hw_show_register(regs);
     if (rt_thread_self() != RT_NULL)
-        rt_kprintf("Current Thread: %s\n", rt_thread_self()->name);
+        rt_kprintf("Current Thread: %s\n", rt_thread_self()->parent.name);
     rt_hw_cpu_shutdown();
 }
 
diff --git a/libcpu/arm/s3c24x0/trap.c b/libcpu/arm/s3c24x0/trap.c
index c4be806dc6..e1881df991 100644
--- a/libcpu/arm/s3c24x0/trap.c
+++ b/libcpu/arm/s3c24x0/trap.c
@@ -56,7 +56,7 @@ void rt_hw_trap_udef(struct rt_hw_register *regs)
     rt_hw_show_register(regs);
 
     rt_kprintf("undefined instruction\n");
-    rt_kprintf("thread - %s stack:\n", rt_current_thread->name);
+    rt_kprintf("thread - %s stack:\n", rt_current_thread->parent.name);
 
 #if defined(RT_USING_FINSH) && defined(MSH_USING_BUILT_IN_COMMANDS)
     list_thread();
@@ -94,7 +94,7 @@ void rt_hw_trap_pabt(struct rt_hw_register *regs)
     rt_hw_show_register(regs);
 
     rt_kprintf("prefetch abort\n");
-    rt_kprintf("thread - %s stack:\n", rt_current_thread->name);
+    rt_kprintf("thread - %s stack:\n", rt_current_thread->parent.name);
 
 #if defined(RT_USING_FINSH) && defined(MSH_USING_BUILT_IN_COMMANDS)
     list_thread();
@@ -115,7 +115,7 @@ void rt_hw_trap_dabt(struct rt_hw_register *regs)
     rt_hw_show_register(regs);
 
     rt_kprintf("data abort\n");
-    rt_kprintf("thread - %s stack:\n", rt_current_thread->name);
+    rt_kprintf("thread - %s stack:\n", rt_current_thread->parent.name);
 
 #if defined(RT_USING_FINSH) && defined(MSH_USING_BUILT_IN_COMMANDS)
     list_thread();
diff --git a/libcpu/arm/sep4020/trap.c b/libcpu/arm/sep4020/trap.c
index 441a55bd6d..594d902a5b 100644
--- a/libcpu/arm/sep4020/trap.c
+++ b/libcpu/arm/sep4020/trap.c
@@ -53,7 +53,7 @@ void rt_hw_trap_udef(struct rt_hw_register *regs)
     rt_hw_show_register(regs);
 
     rt_kprintf("undefined instruction\n");
-    rt_kprintf("thread - %s stack:\n", rt_current_thread->name);
+    rt_kprintf("thread - %s stack:\n", rt_current_thread->parent.name);
     rt_hw_backtrace((rt_uint32_t *)regs->fp, (rt_uint32_t)rt_current_thread->entry);
 
     rt_hw_cpu_shutdown();
@@ -89,7 +89,7 @@ void rt_hw_trap_pabt(struct rt_hw_register *regs)
     rt_hw_show_register(regs);
 
     rt_kprintf("prefetch abort\n");
-    rt_kprintf("thread - %s stack:\n", rt_current_thread->name);
+    rt_kprintf("thread - %s stack:\n", rt_current_thread->parent.name);
     rt_hw_backtrace((rt_uint32_t *)regs->fp, (rt_uint32_t)rt_current_thread->entry);
 
     rt_hw_cpu_shutdown();
@@ -108,7 +108,7 @@ void rt_hw_trap_dabt(struct rt_hw_register *regs)
     rt_hw_show_register(regs);
 
     rt_kprintf("data abort\n");
-    rt_kprintf("thread - %s stack:\n", rt_current_thread->name);
+    rt_kprintf("thread - %s stack:\n", rt_current_thread->parent.name);
     rt_hw_backtrace((rt_uint32_t *)regs->fp, (rt_uint32_t)rt_current_thread->entry);
 
     rt_hw_cpu_shutdown();
diff --git a/libcpu/risc-v/k210/interrupt.c b/libcpu/risc-v/k210/interrupt.c
index 23d11c1813..6e62a2cfb5 100644
--- a/libcpu/risc-v/k210/interrupt.c
+++ b/libcpu/risc-v/k210/interrupt.c
@@ -388,7 +388,7 @@ uintptr_t handle_trap(uintptr_t mcause, uintptr_t epc, uintptr_t * sp)
         rt_kprintf("\n");
         print_stack_frame(sp);
         rt_kprintf("exception pc => 0x%08x\n", epc);
-        rt_kprintf("current thread: %.*s\n", RT_NAME_MAX, tid->name);
+        rt_kprintf("current thread: %.*s\n", RT_NAME_MAX, tid->parent.name);
 #if defined(RT_USING_FINSH) && defined(MSH_USING_BUILT_IN_COMMANDS)
         list_thread();
 #endif
diff --git a/libcpu/risc-v/t-head/c906/backtrace.c b/libcpu/risc-v/t-head/c906/backtrace.c
index c10d9f3522..0bcfa0b9d9 100644
--- a/libcpu/risc-v/t-head/c906/backtrace.c
+++ b/libcpu/risc-v/t-head/c906/backtrace.c
@@ -131,7 +131,7 @@ extern struct rt_thread *rt_current_thread;
 
 static char *_get_elf_name(size_t sepc)
 {
-    return IN_USERSPACE ? rt_current_thread->name : "rtthread.elf";
+    return IN_USERSPACE ? rt_current_thread->parent.name : "rtthread.elf";
 }
 
 #endif /* RT_USING_SMART */
diff --git a/libcpu/risc-v/t-head/c906/trap.c b/libcpu/risc-v/t-head/c906/trap.c
index c95facb0f7..184765507b 100644
--- a/libcpu/risc-v/t-head/c906/trap.c
+++ b/libcpu/risc-v/t-head/c906/trap.c
@@ -220,7 +220,7 @@ void handle_user(rt_size_t scause, rt_size_t stval, rt_size_t sepc, struct rt_hw
 
     rt_hw_backtrace((uint32_t *)sp->s0_fp, sepc);
 
-    LOG_E("User Fault, killing thread: %s", rt_thread_self()->name);
+    LOG_E("User Fault, killing thread: %s", rt_thread_self()->parent.name);
 
     EXIT_TRAP;
     sys_exit(-1);
@@ -332,7 +332,7 @@ void handle_trap(rt_size_t scause, rt_size_t stval, rt_size_t sepc, struct rt_hw
     rt_kprintf("scause:0x%p,stval:0x%p,sepc:0x%p\n", scause, stval, sepc);
     dump_regs(sp);
     rt_kprintf("--------------Thread list--------------\n");
-    rt_kprintf("current thread: %s\n", rt_thread_self()->name);
+    rt_kprintf("current thread: %s\n", rt_thread_self()->parent.name);
 
     extern struct rt_thread *rt_current_thread;
     rt_kprintf("--------------Backtrace--------------\n");
diff --git a/libcpu/risc-v/virt64/backtrace.c b/libcpu/risc-v/virt64/backtrace.c
index c10d9f3522..0bcfa0b9d9 100644
--- a/libcpu/risc-v/virt64/backtrace.c
+++ b/libcpu/risc-v/virt64/backtrace.c
@@ -131,7 +131,7 @@ extern struct rt_thread *rt_current_thread;
 
 static char *_get_elf_name(size_t sepc)
 {
-    return IN_USERSPACE ? rt_current_thread->name : "rtthread.elf";
+    return IN_USERSPACE ? rt_current_thread->parent.name : "rtthread.elf";
 }
 
 #endif /* RT_USING_SMART */
diff --git a/libcpu/risc-v/virt64/trap.c b/libcpu/risc-v/virt64/trap.c
index 944cee629a..f8413c9d78 100644
--- a/libcpu/risc-v/virt64/trap.c
+++ b/libcpu/risc-v/virt64/trap.c
@@ -217,7 +217,7 @@ void handle_user(rt_size_t scause, rt_size_t stval, rt_size_t sepc, struct rt_hw
 
     rt_hw_backtrace((uint32_t *)sp->s0_fp, sepc);
 
-    LOG_E("User Fault, killing thread: %s", rt_thread_self()->name);
+    LOG_E("User Fault, killing thread: %s", rt_thread_self()->parent.name);
 
     EXIT_TRAP;
     sys_exit(-1);
@@ -344,7 +344,7 @@ void handle_trap(rt_size_t scause, rt_size_t stval, rt_size_t sepc, struct rt_hw
         rt_kprintf("scause:0x%p,stval:0x%p,sepc:0x%p\n", scause, stval, sepc);
         dump_regs(sp);
         rt_kprintf("--------------Thread list--------------\n");
-        rt_kprintf("current thread: %s\n", rt_thread_self()->name);
+        rt_kprintf("current thread: %s\n", rt_thread_self()->parent.name);
 
         extern struct rt_thread *rt_current_thread;
         rt_kprintf("--------------Backtrace--------------\n");
diff --git a/libcpu/rx/cpuport.c b/libcpu/rx/cpuport.c
index 20ae133bb1..3425b6b9c9 100644
--- a/libcpu/rx/cpuport.c
+++ b/libcpu/rx/cpuport.c
@@ -126,7 +126,7 @@ void rt_hw_hard_fault_exception(struct stack_frame* exception_contex)
         rt_kprintf("acchi: 0x%08x\n", exception_contex->ACCHI);
         rt_kprintf("acclo: 0x%08x\n", exception_contex->ACCLO);
     }
-        rt_kprintf("hard fault on thread: %s\n", rt_current_thread->name);
+        rt_kprintf("hard fault on thread: %s\n", rt_current_thread->parent.name);
     #if defined(RT_USING_FINSH) && defined(MSH_USING_BUILT_IN_COMMANDS)
         list_thread();
     #endif
diff --git a/libcpu/sim/posix/cpu_port.c b/libcpu/sim/posix/cpu_port.c
index dc3e9379dd..636f82cde1 100644
--- a/libcpu/sim/posix/cpu_port.c
+++ b/libcpu/sim/posix/cpu_port.c
@@ -163,11 +163,11 @@ static void *thread_run(void *parameter)
 
     tid = rt_thread_self();
     TRACE("pid <%08x> tid <%s> starts...\n", (unsigned int)(thread->pthread),
-          tid->name);
+          tid->parent.name);
     thread->rtthread = tid;
     thread->task(thread->para);
     TRACE("pid <%08x> tid <%s> exit...\n", (unsigned int)(thread->pthread),
-          tid->name);
+          tid->parent.name);
     thread->exit();
 
     /*TODO:
diff --git a/libcpu/sim/win32/cpu_port.c b/libcpu/sim/win32/cpu_port.c
index b7510819b9..4f8b32271b 100644
--- a/libcpu/sim/win32/cpu_port.c
+++ b/libcpu/sim/win32/cpu_port.c
@@ -147,7 +147,7 @@ static DWORD WINAPI thread_run( LPVOID lpThreadParameter )
     rt_thread_t tid = rt_thread_self();
     win_thread_t  *pWinThread = (win_thread_t *)lpThreadParameter;
 
-    SetThreadName(GetCurrentThreadId(), tid->name);
+    SetThreadName(GetCurrentThreadId(), tid->parent.name);
 
     pWinThread->Entry(pWinThread->Param);
 
diff --git a/libcpu/unicore32/sep6200/trap.c b/libcpu/unicore32/sep6200/trap.c
index f2f342cfbe..a6a8e166dc 100644
--- a/libcpu/unicore32/sep6200/trap.c
+++ b/libcpu/unicore32/sep6200/trap.c
@@ -53,7 +53,7 @@ void rt_hw_trap_extn(struct rt_hw_register *regs)
     rt_hw_show_register(regs);
 
     rt_kprintf("extn instruction\n");
-    rt_kprintf("thread - %s stack:\n", rt_current_thread->name);
+    rt_kprintf("thread - %s stack:\n", rt_current_thread->parent.name);
     rt_hw_backtrace((rt_uint32_t *)regs->fp, (rt_uint32_t)rt_current_thread->entry);
 
     rt_hw_cpu_shutdown();
@@ -89,7 +89,7 @@ void rt_hw_trap_pabt(struct rt_hw_register *regs)
     rt_hw_show_register(regs);
 
     rt_kprintf("prefetch abort\n");
-    rt_kprintf("thread - %s stack:\n", rt_current_thread->name);
+    rt_kprintf("thread - %s stack:\n", rt_current_thread->parent.name);
     rt_hw_backtrace((rt_uint32_t *)regs->fp, (rt_uint32_t)rt_current_thread->entry);
 
     rt_hw_cpu_shutdown();
@@ -108,7 +108,7 @@ void rt_hw_trap_dabt(struct rt_hw_register *regs)
     rt_hw_show_register(regs);
 
     rt_kprintf("data abort\n");
-    rt_kprintf("thread - %s stack:\n", rt_current_thread->name);
+    rt_kprintf("thread - %s stack:\n", rt_current_thread->parent.name);
     rt_hw_backtrace((rt_uint32_t *)regs->fp, (rt_uint32_t)rt_current_thread->entry);
 
     rt_hw_cpu_shutdown();
diff --git a/src/idle.c b/src/idle.c
index dcd278c628..4903ed3fe5 100644
--- a/src/idle.c
+++ b/src/idle.c
@@ -207,7 +207,7 @@ static void rt_defunct_execute(void)
             break;
         }
 #ifdef RT_USING_MODULE
-        module = (struct rt_dlmodule*)thread->module_id;
+        module = (struct rt_dlmodule*)thread->parent.module_id;
         if (module)
         {
             dlmodule_destroy(module);
diff --git a/src/ipc.c b/src/ipc.c
index be220439b8..3bd94b5b1b 100644
--- a/src/ipc.c
+++ b/src/ipc.c
@@ -209,7 +209,7 @@ rt_inline rt_err_t _ipc_list_resume(rt_list_t *list)
 
     thread->error = RT_EOK;
 
-    RT_DEBUG_LOG(RT_DEBUG_IPC, ("resume thread:%s\n", thread->name));
+    RT_DEBUG_LOG(RT_DEBUG_IPC, ("resume thread:%s\n", thread->parent.name));
 
     /* resume it */
     rt_thread_resume(thread);
@@ -509,8 +509,8 @@ static rt_err_t _rt_sem_take(rt_sem_t sem, rt_int32_t timeout, int suspend_flag)
     level = rt_hw_interrupt_disable();
 
     RT_DEBUG_LOG(RT_DEBUG_IPC, ("thread %s take sem:%s, which value is: %d\n",
-                                rt_thread_self()->name,
-                                ((struct rt_object *)sem)->name,
+                                rt_thread_self()->parent.name,
+                                sem->parent.parent.name,
                                 sem->value));
 
     if (sem->value > 0)
@@ -542,8 +542,7 @@ static rt_err_t _rt_sem_take(rt_sem_t sem, rt_int32_t timeout, int suspend_flag)
             /* reset thread error number */
             thread->error = -RT_EINTR;
 
-            RT_DEBUG_LOG(RT_DEBUG_IPC, ("sem take: suspend thread - %s\n",
-                                        thread->name));
+            RT_DEBUG_LOG(RT_DEBUG_IPC, ("sem take: suspend thread - %s\n", thread->parent.name));
 
             /* suspend thread */
             ret = _ipc_list_suspend(&(sem->parent.suspend_thread),
@@ -559,8 +558,7 @@ static rt_err_t _rt_sem_take(rt_sem_t sem, rt_int32_t timeout, int suspend_flag)
             /* has waiting time, start thread timer */
             if (timeout > 0)
             {
-                RT_DEBUG_LOG(RT_DEBUG_IPC, ("set thread:%s to timer list\n",
-                                            thread->name));
+                RT_DEBUG_LOG(RT_DEBUG_IPC, ("set thread:%s to timer list\n", thread->parent.name));
 
                 /* reset the timeout of thread timer and start it */
                 rt_timer_control(&(thread->thread_timer),
@@ -655,8 +653,8 @@ rt_err_t rt_sem_release(rt_sem_t sem)
     level = rt_hw_interrupt_disable();
 
     RT_DEBUG_LOG(RT_DEBUG_IPC, ("thread %s releases sem:%s, which value is: %d\n",
-                                rt_thread_self()->name,
-                                ((struct rt_object *)sem)->name,
+                                rt_thread_self()->parent.name,
+                                sem->parent.parent.name,
                                 sem->value));
 
     if (!rt_list_isempty(&sem->parent.suspend_thread))
@@ -789,7 +787,7 @@ rt_inline void _thread_update_priority(struct rt_thread *thread, rt_uint8_t prio
 {
     rt_err_t ret;
     RT_DEBUG_LOG(RT_DEBUG_IPC,
-            ("thread:%s priority -> %d\n", thread->name, priority));
+            ("thread:%s priority -> %d\n", thread->parent.name, priority));
 
     /* change priority of the thread */
     rt_thread_control(thread,
@@ -1182,7 +1180,7 @@ static rt_err_t _rt_mutex_take(rt_mutex_t mutex, rt_int32_t timeout, int suspend
 
     RT_DEBUG_LOG(RT_DEBUG_IPC,
                  ("mutex_take: current thread %s, hold: %d\n",
-                  thread->name, mutex->hold));
+                  thread->parent.name, mutex->hold));
 
     /* reset thread error */
     thread->error = RT_EOK;
@@ -1239,7 +1237,7 @@ static rt_err_t _rt_mutex_take(rt_mutex_t mutex, rt_int32_t timeout, int suspend
 
                 /* mutex is unavailable, push to suspend list */
                 RT_DEBUG_LOG(RT_DEBUG_IPC, ("mutex_take: suspend thread: %s\n",
-                                            thread->name));
+                                            thread->parent.name));
 
                 /* suspend current thread */
                 ret = _ipc_list_suspend(&(mutex->parent.suspend_thread),
@@ -1270,7 +1268,7 @@ static rt_err_t _rt_mutex_take(rt_mutex_t mutex, rt_int32_t timeout, int suspend
                 {
                     RT_DEBUG_LOG(RT_DEBUG_IPC,
                                  ("mutex_take: start the timer of thread:%s\n",
-                                  thread->name));
+                                  thread->parent.name));
 
                     /* reset the timeout of thread timer and start it */
                     rt_timer_control(&(thread->thread_timer),
@@ -1424,7 +1422,7 @@ rt_err_t rt_mutex_release(rt_mutex_t mutex)
 
     RT_DEBUG_LOG(RT_DEBUG_IPC,
                  ("mutex_release:current thread %s, hold: %d\n",
-                  thread->name, mutex->hold));
+                  thread->parent.name, mutex->hold));
 
     RT_OBJECT_HOOK_CALL(rt_object_put_hook, (&(mutex->parent.parent)));
 
@@ -1471,7 +1469,7 @@ rt_err_t rt_mutex_release(rt_mutex_t mutex)
                                    tlist);
 
             RT_DEBUG_LOG(RT_DEBUG_IPC, ("mutex_release: resume thread: %s\n",
-                    next_thread->name));
+                    next_thread->parent.name));
 
             /* remove the thread from the suspended list of mutex */
             rt_list_remove(&(next_thread->tlist));
@@ -2418,7 +2416,7 @@ static rt_err_t _rt_mb_send_wait(rt_mailbox_t mb,
             tick_delta = rt_tick_get();
 
             RT_DEBUG_LOG(RT_DEBUG_IPC, ("mb_send_wait: start timer of thread:%s\n",
-                                        thread->name));
+                                        thread->parent.name));
 
             /* reset the timeout of thread timer and start it */
             rt_timer_control(&(thread->thread_timer),
@@ -2712,7 +2710,7 @@ static rt_err_t _rt_mb_recv(rt_mailbox_t mb, rt_ubase_t *value, rt_int32_t timeo
             tick_delta = rt_tick_get();
 
             RT_DEBUG_LOG(RT_DEBUG_IPC, ("mb_recv: start timer of thread:%s\n",
-                                        thread->name));
+                                        thread->parent.name));
 
             /* reset the timeout of thread timer and start it */
             rt_timer_control(&(thread->thread_timer),
@@ -3259,7 +3257,7 @@ static rt_err_t _rt_mq_send_wait(rt_mq_t     mq,
             tick_delta = rt_tick_get();
 
             RT_DEBUG_LOG(RT_DEBUG_IPC, ("mq_send_wait: start timer of thread:%s\n",
-                                        thread->name));
+                                        thread->parent.name));
 
             /* reset the timeout of thread timer and start it */
             rt_timer_control(&(thread->thread_timer),
@@ -3614,7 +3612,7 @@ static rt_err_t _rt_mq_recv(rt_mq_t    mq,
             tick_delta = rt_tick_get();
 
             RT_DEBUG_LOG(RT_DEBUG_IPC, ("set thread:%s to timer list\n",
-                                        thread->name));
+                                        thread->parent.name));
 
             /* reset the timeout of thread timer and start it */
             rt_timer_control(&(thread->thread_timer),
diff --git a/src/mem.c b/src/mem.c
index aade0f5bfa..79affcaa9b 100644
--- a/src/mem.c
+++ b/src/mem.c
@@ -375,7 +375,7 @@ void *rt_smem_alloc(rt_smem_t m, rt_size_t size)
             mem->pool_ptr = MEM_USED();
 #ifdef RT_USING_MEMTRACE
             if (rt_thread_self())
-                rt_smem_setname(mem, rt_thread_self()->name);
+                rt_smem_setname(mem, rt_thread_self()->parent.name);
             else
                 rt_smem_setname(mem, "NONE");
 #endif /* RT_USING_MEMTRACE */
diff --git a/src/memheap.c b/src/memheap.c
index 26d7ecfa3e..0df9ed41ed 100644
--- a/src/memheap.c
+++ b/src/memheap.c
@@ -312,7 +312,7 @@ void *rt_memheap_alloc(struct rt_memheap *heap, rt_size_t size)
 
 #ifdef RT_USING_MEMTRACE
             if (rt_thread_self())
-                rt_memcpy(header_ptr->owner_thread_name, rt_thread_self()->name, sizeof(header_ptr->owner_thread_name));
+                rt_memcpy(header_ptr->owner_thread_name, rt_thread_self()->parent.name, sizeof(header_ptr->owner_thread_name));
             else
                 rt_memcpy(header_ptr->owner_thread_name, "NONE", sizeof(header_ptr->owner_thread_name));
 #endif /* RT_USING_MEMTRACE */
diff --git a/src/scheduler_mp.c b/src/scheduler_mp.c
index a4d07e6233..543d9abc6a 100644
--- a/src/scheduler_mp.c
+++ b/src/scheduler_mp.c
@@ -112,7 +112,7 @@ static void _scheduler_stack_check(struct rt_thread *thread)
     {
         rt_base_t level;
 
-        rt_kprintf("thread:%s stack overflow\n", thread->name);
+        rt_kprintf("thread:%s stack overflow\n", thread->parent.name);
 
         level = rt_hw_interrupt_disable();
         while (level);
@@ -121,13 +121,13 @@ static void _scheduler_stack_check(struct rt_thread *thread)
     else if ((rt_ubase_t)thread->sp > ((rt_ubase_t)thread->stack_addr + thread->stack_size))
     {
         rt_kprintf("warning: %s stack is close to the top of stack address.\n",
-                   thread->name);
+                   thread->parent.name);
     }
 #else
     else if ((rt_ubase_t)thread->sp <= ((rt_ubase_t)thread->stack_addr + 32))
     {
         rt_kprintf("warning: %s stack is close to end of stack address.\n",
-                   thread->name);
+                   thread->parent.name);
     }
 #endif /* ARCH_CPU_STACK_GROWS_UPWARD */
 }
@@ -349,8 +349,8 @@ void rt_schedule(void)
                          "thread:%.*s(sp:0x%08x), "
                          "from thread:%.*s(sp: 0x%08x)\n",
                          pcpu->irq_nest, highest_ready_priority,
-                         RT_NAME_MAX, to_thread->name, to_thread->sp,
-                         RT_NAME_MAX, current_thread->name, current_thread->sp));
+                         RT_NAME_MAX, to_thread->parent.name, to_thread->sp,
+                         RT_NAME_MAX, current_thread->parent.name, current_thread->sp));
 
 #ifdef RT_USING_OVERFLOW_CHECK
                 _scheduler_stack_check(to_thread);
@@ -584,7 +584,7 @@ void rt_schedule_insert_thread(struct rt_thread *thread)
     }
 
     RT_DEBUG_LOG(RT_DEBUG_SCHEDULER, ("insert thread[%.*s], the priority: %d\n",
-                                      RT_NAME_MAX, thread->name, thread->current_priority));
+                                      RT_NAME_MAX, thread->parent.name, thread->current_priority));
 
 __exit:
     /* enable interrupt */
@@ -608,7 +608,7 @@ void rt_schedule_remove_thread(struct rt_thread *thread)
     level = rt_hw_interrupt_disable();
 
     RT_DEBUG_LOG(RT_DEBUG_SCHEDULER, ("remove thread[%.*s], the priority: %d\n",
-                                      RT_NAME_MAX, thread->name,
+                                      RT_NAME_MAX, thread->parent.name,
                                       thread->current_priority));
 
     /* remove thread from ready list */
diff --git a/src/scheduler_up.c b/src/scheduler_up.c
index a5cfecc6f2..6c552c6a24 100644
--- a/src/scheduler_up.c
+++ b/src/scheduler_up.c
@@ -117,7 +117,7 @@ static void _scheduler_stack_check(struct rt_thread *thread)
     {
         rt_base_t level;
 
-        rt_kprintf("thread:%s stack overflow\n", thread->name);
+        rt_kprintf("thread:%s stack overflow\n", thread->parent.name);
 
         level = rt_hw_interrupt_disable();
         while (level);
@@ -126,13 +126,13 @@ static void _scheduler_stack_check(struct rt_thread *thread)
     else if ((rt_ubase_t)thread->sp > ((rt_ubase_t)thread->stack_addr + thread->stack_size))
     {
         rt_kprintf("warning: %s stack is close to the top of stack address.\n",
-                   thread->name);
+                   thread->parent.name);
     }
 #else
     else if ((rt_ubase_t)thread->sp <= ((rt_ubase_t)thread->stack_addr + 32))
     {
         rt_kprintf("warning: %s stack is close to end of stack address.\n",
-                   thread->name);
+                   thread->parent.name);
     }
 #endif /* ARCH_CPU_STACK_GROWS_UPWARD */
 }
@@ -281,8 +281,8 @@ void rt_schedule(void)
                          "thread:%.*s(sp:0x%08x), "
                          "from thread:%.*s(sp: 0x%08x)\n",
                          rt_interrupt_nest, highest_ready_priority,
-                         RT_NAME_MAX, to_thread->name, to_thread->sp,
-                         RT_NAME_MAX, from_thread->name, from_thread->sp));
+                         RT_NAME_MAX, to_thread->parent.name, to_thread->sp,
+                         RT_NAME_MAX, from_thread->parent.name, from_thread->sp));
 
 #ifdef RT_USING_OVERFLOW_CHECK
                 _scheduler_stack_check(to_thread);
@@ -384,7 +384,7 @@ void rt_schedule_insert_thread(struct rt_thread *thread)
     }
 
     RT_DEBUG_LOG(RT_DEBUG_SCHEDULER, ("insert thread[%.*s], the priority: %d\n",
-                                      RT_NAME_MAX, thread->name, thread->current_priority));
+                                      RT_NAME_MAX, thread->parent.name, thread->current_priority));
 
     /* set priority mask */
 #if RT_THREAD_PRIORITY_MAX > 32
@@ -414,7 +414,7 @@ void rt_schedule_remove_thread(struct rt_thread *thread)
     level = rt_hw_interrupt_disable();
 
     RT_DEBUG_LOG(RT_DEBUG_SCHEDULER, ("remove thread[%.*s], the priority: %d\n",
-                                      RT_NAME_MAX, thread->name,
+                                      RT_NAME_MAX, thread->parent.name,
                                       thread->current_priority));
 
     /* remove thread from ready list */
diff --git a/src/thread.c b/src/thread.c
index 5614edea4d..56f9094ab0 100644
--- a/src/thread.c
+++ b/src/thread.c
@@ -237,7 +237,7 @@ static rt_err_t _thread_init(struct rt_thread *thread,
 
     /* initialize thread timer */
     rt_timer_init(&(thread->thread_timer),
-                  thread->name,
+                  thread->parent.name,
                   _thread_timeout,
                   thread,
                   0,
@@ -274,7 +274,7 @@ static rt_err_t _thread_init(struct rt_thread *thread,
 #endif /* RT_USING_PTHREADS */
 
 #ifdef RT_USING_MODULE
-    thread->module_id = 0;
+    thread->parent.module_id = 0;
 #endif /* RT_USING_MODULE */
 
     RT_OBJECT_HOOK_CALL(rt_thread_inited_hook, (thread));
@@ -386,7 +386,7 @@ rt_err_t rt_thread_startup(rt_thread_t thread)
 #endif /* RT_THREAD_PRIORITY_MAX > 32 */
 
     RT_DEBUG_LOG(RT_DEBUG_THREAD, ("startup a thread:%s with priority:%d\n",
-                                   thread->name, thread->current_priority));
+                                   thread->parent.name, thread->current_priority));
     /* change thread stat */
     thread->stat = RT_THREAD_SUSPEND;
     /* then resume it */
@@ -983,7 +983,7 @@ rt_err_t rt_thread_suspend_with_flag(rt_thread_t thread, int suspend_flag)
     RT_ASSERT(rt_object_get_type((rt_object_t)thread) == RT_Object_Class_Thread);
     RT_ASSERT(thread == rt_thread_self());
 
-    RT_DEBUG_LOG(RT_DEBUG_THREAD, ("thread suspend:  %s\n", thread->name));
+    RT_DEBUG_LOG(RT_DEBUG_THREAD, ("thread suspend:  %s\n", thread->parent.name));
 
     stat = thread->stat & RT_THREAD_STAT_MASK;
     if ((stat != RT_THREAD_READY) && (stat != RT_THREAD_RUNNING))
@@ -1046,7 +1046,7 @@ rt_err_t rt_thread_resume(rt_thread_t thread)
     RT_ASSERT(thread != RT_NULL);
     RT_ASSERT(rt_object_get_type((rt_object_t)thread) == RT_Object_Class_Thread);
 
-    RT_DEBUG_LOG(RT_DEBUG_THREAD, ("thread resume:  %s\n", thread->name));
+    RT_DEBUG_LOG(RT_DEBUG_THREAD, ("thread resume:  %s\n", thread->parent.name));
 
     if ((thread->stat & RT_THREAD_SUSPEND_MASK) != RT_THREAD_SUSPEND_MASK)
     {