diff --git a/APP_Framework/Framework/transform_layer/xizi/transform.c b/APP_Framework/Framework/transform_layer/xizi/transform.c
index f2d53d155..5d6d3c591 100644
--- a/APP_Framework/Framework/transform_layer/xizi/transform.c
+++ b/APP_Framework/Framework/transform_layer/xizi/transform.c
@@ -104,7 +104,7 @@ int PrivTaskDelay(int32_t ms)
 #ifndef SEPARATE_COMPILE
 uint32_t PrivGetTickTime()
 {
-    return CalculteTimeMsFromTick(CurrentTicksGain());
+    return CalculateTimeMsFromTick(CurrentTicksGain());
 }
 #endif
 /*********************fs**************************/
diff --git a/Ubiquitous/XiZi_IIoT/fs/shared/src/poll.c b/Ubiquitous/XiZi_IIoT/fs/shared/src/poll.c
index efd25bb27..178a3e1b5 100644
--- a/Ubiquitous/XiZi_IIoT/fs/shared/src/poll.c
+++ b/Ubiquitous/XiZi_IIoT/fs/shared/src/poll.c
@@ -86,7 +86,7 @@ static int PollWaitTimeout(struct poll_table *pt, int msec)
 
     thread = pt->polling_thread;
 
-    timeout = CalculteTickFromTimeMs(msec);
+    timeout = CalculateTickFromTimeMs(msec);
 
     level = CriticalAreaLock();
 
diff --git a/Ubiquitous/XiZi_IIoT/kernel/include/xs_ktick.h b/Ubiquitous/XiZi_IIoT/kernel/include/xs_ktick.h
index faaf195d9..c56751c1f 100644
--- a/Ubiquitous/XiZi_IIoT/kernel/include/xs_ktick.h
+++ b/Ubiquitous/XiZi_IIoT/kernel/include/xs_ktick.h
@@ -26,7 +26,7 @@
 
 x_ticks_t CurrentTicksGain(void);
 void TickAndTaskTimesliceUpdate(void);
-x_ticks_t  CalculteTickFromTimeMs(uint32 ms);
-uint32 CalculteTimeMsFromTick(x_ticks_t ticks);
+x_ticks_t  CalculateTickFromTimeMs(uint32 ms);
+uint32 CalculateTimeMsFromTick(x_ticks_t ticks);
 
 #endif
diff --git a/Ubiquitous/XiZi_IIoT/kernel/memory/gatherblock.c b/Ubiquitous/XiZi_IIoT/kernel/memory/gatherblock.c
index a4a0d482c..6ac255725 100644
--- a/Ubiquitous/XiZi_IIoT/kernel/memory/gatherblock.c
+++ b/Ubiquitous/XiZi_IIoT/kernel/memory/gatherblock.c
@@ -304,7 +304,7 @@ void *AllocBlockMemGather(GatherMemType gm_handler, int32 msec)
 
     /* get descriptor of task */
     task = GetKTaskDescriptor();
-    wait_time = CalculteTickFromTimeMs(msec);
+    wait_time = CalculateTickFromTimeMs(msec);
 
     critical_value = CriticalAreaLock();
     /* no free gatherblock*/
diff --git a/Ubiquitous/XiZi_IIoT/kernel/thread/event.c b/Ubiquitous/XiZi_IIoT/kernel/thread/event.c
index 871486f7f..4217b9676 100644
--- a/Ubiquitous/XiZi_IIoT/kernel/thread/event.c
+++ b/Ubiquitous/XiZi_IIoT/kernel/thread/event.c
@@ -153,7 +153,7 @@ static int32 _EventProcess(struct Event *event, uint32 events, uint32 options, i
     task = GetKTaskDescriptor();
     task->exstatus = EOK;
 
-    timeout = CalculteTickFromTimeMs(msec);
+    timeout = CalculateTickFromTimeMs(msec);
 
     lock = CriticalAreaLock();
 
diff --git a/Ubiquitous/XiZi_IIoT/kernel/thread/ktask.c b/Ubiquitous/XiZi_IIoT/kernel/thread/ktask.c
index a06236b91..e72ea0d16 100644
--- a/Ubiquitous/XiZi_IIoT/kernel/thread/ktask.c
+++ b/Ubiquitous/XiZi_IIoT/kernel/thread/ktask.c
@@ -220,7 +220,7 @@ x_err_t _MdelayKTask(KTaskDescriptorType task, uint32 ms)
         return -EINVALED;
     }
 
-    ticks = CalculteTickFromTimeMs(ms);
+    ticks = CalculateTickFromTimeMs(ms);
 
     return  _DelayKTask(task, ticks);
 }
diff --git a/Ubiquitous/XiZi_IIoT/kernel/thread/msgqueue.c b/Ubiquitous/XiZi_IIoT/kernel/thread/msgqueue.c
index 8d2be3c79..ee58bc0d7 100644
--- a/Ubiquitous/XiZi_IIoT/kernel/thread/msgqueue.c
+++ b/Ubiquitous/XiZi_IIoT/kernel/thread/msgqueue.c
@@ -99,7 +99,7 @@ static x_err_t _MsgQueueSend(struct MsgQueue *mq,
     if(WAITING_FOREVER == msec)
         timeout = WAITING_FOREVER;
     else
-        timeout = CalculteTickFromTimeMs(msec);
+        timeout = CalculateTickFromTimeMs(msec);
 
     lock = CriticalAreaLock();
     if (mq->num_msgs >= mq->max_msgs && timeout == 0) {
@@ -207,7 +207,7 @@ static x_err_t _MsgQueueRecv(struct MsgQueue *mq,
 
     tick_delta = 0;
     task = GetKTaskDescriptor();
-    timeout = CalculteTickFromTimeMs(msec);
+    timeout = CalculateTickFromTimeMs(msec);
     lock = CriticalAreaLock();
 
     if (mq->index == 0 && timeout == 0) {
diff --git a/Ubiquitous/XiZi_IIoT/kernel/thread/mutex.c b/Ubiquitous/XiZi_IIoT/kernel/thread/mutex.c
index 88c1177a9..ff4aaded2 100644
--- a/Ubiquitous/XiZi_IIoT/kernel/thread/mutex.c
+++ b/Ubiquitous/XiZi_IIoT/kernel/thread/mutex.c
@@ -83,7 +83,7 @@ static int32 _MutexObtain(struct Mutex *mutex, int32 msec)
     NULL_PARAM_CHECK(mutex);
 
     task = GetKTaskDescriptor();
-    wait_time = CalculteTickFromTimeMs(msec);
+    wait_time = CalculateTickFromTimeMs(msec);
     lock = CriticalAreaLock();
 
     SYS_KDEBUG_LOG(KDBG_IPC,
diff --git a/Ubiquitous/XiZi_IIoT/kernel/thread/semaphore.c b/Ubiquitous/XiZi_IIoT/kernel/thread/semaphore.c
index ac6f6eeb3..54ff78629 100644
--- a/Ubiquitous/XiZi_IIoT/kernel/thread/semaphore.c
+++ b/Ubiquitous/XiZi_IIoT/kernel/thread/semaphore.c
@@ -97,7 +97,7 @@ static int32 _SemaphoreObtain(struct Semaphore *sem, int32 msec)
     if(WAITING_FOREVER == msec)
         wait_time = WAITING_FOREVER;
     else
-        wait_time = CalculteTickFromTimeMs(msec);
+        wait_time = CalculateTickFromTimeMs(msec);
     lock = CriticalAreaLock();
 
     SYS_KDEBUG_LOG(KDBG_IPC, ("obtain semaphore: id %d, value %d, by task %s\n",
diff --git a/Ubiquitous/XiZi_IIoT/kernel/thread/tick.c b/Ubiquitous/XiZi_IIoT/kernel/thread/tick.c
index 49f75f38c..30156d39e 100644
--- a/Ubiquitous/XiZi_IIoT/kernel/thread/tick.c
+++ b/Ubiquitous/XiZi_IIoT/kernel/thread/tick.c
@@ -96,7 +96,7 @@ void TickAndTaskTimesliceUpdate(void)
  */
 #define MIN_TICKS    1
 
-x_ticks_t CalculteTickFromTimeMs(uint32 ms)
+x_ticks_t CalculateTickFromTimeMs(uint32 ms)
 {
     uint32 tmp = 0;
     x_ticks_t ticks = 0;
@@ -121,7 +121,7 @@ x_ticks_t CalculteTickFromTimeMs(uint32 ms)
  * @param ticks ticks need to be converted
  * @return ms
  */
-uint32 CalculteTimeMsFromTick(x_ticks_t ticks)
+uint32 CalculateTimeMsFromTick(x_ticks_t ticks)
 {
     uint32 ms = 0;
 
diff --git a/Ubiquitous/XiZi_IIoT/tool/shell/letter-shell/shell.h b/Ubiquitous/XiZi_IIoT/tool/shell/letter-shell/shell.h
index 75084d63c..6e55fd27e 100644
--- a/Ubiquitous/XiZi_IIoT/tool/shell/letter-shell/shell.h
+++ b/Ubiquitous/XiZi_IIoT/tool/shell/letter-shell/shell.h
@@ -25,7 +25,7 @@
  * you cannot use double-clicking the tab to complete the command help, 
  * and you cannot use the shell timeout lock
  */
-#define     SHELL_GET_TICK()            CalculteTimeMsFromTick(CurrentTicksGain())
+#define     SHELL_GET_TICK()            CalculateTimeMsFromTick(CurrentTicksGain())
 
 
 /**