diff --git a/compat/posix/src/pthread.c b/compat/posix/src/pthread.c
index 507a3eea18aaae27b42169a9a9f7f57c50597c6d..b985da4f4172ec178801524eed2a3cc201bb7363 100644
--- a/compat/posix/src/pthread.c
+++ b/compat/posix/src/pthread.c
@@ -435,7 +435,7 @@ int pthread_detach(pthread_t thread)
         /* Set state to detached and kick any joinees to make them return. */
         SCHEDULER_LOCK(intSave);
         if (!(detached->task->taskStatus & OS_TASK_STATUS_EXIT)) {
-            ret = OsTaskSetDeatchUnsafe(detached->task);
+            ret = OsTaskSetDetachUnsafe(detached->task);
             if (ret == ESRCH) {
                 ret = LOS_OK;
             } else if (ret == LOS_OK) {
diff --git a/kernel/base/core/los_process.c b/kernel/base/core/los_process.c
index 7ea277e8b407bd2e51728772c3245aec1af2efb8..a1342e8e0b1018494a6ad37148e2ebf44290d18e 100644
--- a/kernel/base/core/los_process.c
+++ b/kernel/base/core/los_process.c
@@ -468,7 +468,7 @@ LITE_OS_SEC_TEXT VOID OsProcessCBRecyleToFree(VOID)
         }
         SCHEDULER_UNLOCK(intSave);
 
-        OsTaskCBRecyleToFree();
+        OsTaskCBRecycleToFree();
 
         SCHEDULER_LOCK(intSave);
         processCB->processStatus &= ~OS_PROCESS_FLAG_EXIT;
diff --git a/kernel/base/core/los_task.c b/kernel/base/core/los_task.c
index 965bf0459f536152724429cef95448932eec4bc2..3ec37d24cba37e9a0bd9e809b23ade512c4f72dd 100644
--- a/kernel/base/core/los_task.c
+++ b/kernel/base/core/los_task.c
@@ -162,7 +162,7 @@ LITE_OS_SEC_TEXT UINT32 OsTaskJoinPendUnsafe(LosTaskCB *taskCB)
     return LOS_EINVAL;
 }
 
-LITE_OS_SEC_TEXT UINT32 OsTaskSetDeatchUnsafe(LosTaskCB *taskCB)
+LITE_OS_SEC_TEXT UINT32 OsTaskSetDetachUnsafe(LosTaskCB *taskCB)
 {
     LosProcessCB *processCB = OS_PCB_FROM_PID(taskCB->processID);
     if (!(processCB->processStatus & OS_PROCESS_STATUS_RUNNING)) {
@@ -450,7 +450,7 @@ STATIC VOID OsTaskKernelResourcesToFree(UINT32 syncSignal, UINTPTR topOfStack)
     (VOID)LOS_MemFree(poolTmp, (VOID *)topOfStack);
 }
 
-LITE_OS_SEC_TEXT VOID OsTaskCBRecyleToFree()
+LITE_OS_SEC_TEXT VOID OsTaskCBRecycleToFree()
 {
     LosTaskCB *taskCB = NULL;
     UINT32 intSave;
@@ -764,7 +764,7 @@ LOS_ERREND:
 /*
  * Check if needs to do the suspend operation on the running task.
  * Return TRUE, if needs to do the suspension.
- * Rerturn FALSE, if meets following circumstances:
+ * Return FALSE, if meets following circumstances:
  * 1. Do the suspension across cores, if SMP is enabled
  * 2. Do the suspension when preemption is disabled
  * 3. Do the suspension in hard-irq
@@ -902,7 +902,7 @@ LITE_OS_SEC_TEXT VOID OsRunTaskToDelete(LosTaskCB *taskCB)
 /*
  * Check if needs to do the delete operation on the running task.
  * Return TRUE, if needs to do the deletion.
- * Rerturn FALSE, if meets following circumstances:
+ * Return FALSE, if meets following circumstances:
  * 1. Do the deletion across cores, if SMP is enabled
  * 2. Do the deletion when preemption is disabled
  * 3. Do the deletion in hard-irq
@@ -1167,7 +1167,7 @@ LITE_OS_SEC_TEXT_MINOR UINT32 LOS_TaskYield(VOID)
     }
 
     SCHEDULER_LOCK(intSave);
-    /* reset timeslice of yeilded task */
+    /* reset timeslice of yielded task */
     OsSchedYield();
     SCHEDULER_UNLOCK(intSave);
     return LOS_OK;
@@ -1327,7 +1327,7 @@ LITE_OS_SEC_TEXT_MINOR VOID OsTaskProcSignal(VOID)
     /*
      * private and uninterruptable, no protection needed.
      * while this task is always running when others cores see it,
-     * so it keeps recieving signals while follow code excuting.
+     * so it keeps receiving signals while follow code executing.
      */
     LosTaskCB *runTask = OsCurrTaskGet();
     if (runTask->signal == SIGNAL_NONE) {
@@ -1465,7 +1465,7 @@ LITE_OS_SEC_TEXT VOID OsTaskExitGroup(UINT32 status)
 LITE_OS_SEC_TEXT VOID OsExecDestroyTaskGroup(VOID)
 {
     OsTaskExitGroup(OS_PRO_EXIT_OK);
-    OsTaskCBRecyleToFree();
+    OsTaskCBRecycleToFree();
 }
 
 LITE_OS_SEC_TEXT VOID OsProcessSuspendAllTask(VOID)
@@ -1557,7 +1557,7 @@ LITE_OS_SEC_TEXT_INIT UINT32 OsCreateUserTask(UINT32 processID, TSK_INIT_PARAM_S
         return ret;
     }
 
-    initParam->uwStackSize = OS_USER_TASK_SYSCALL_SATCK_SIZE;
+    initParam->uwStackSize = OS_USER_TASK_SYSCALL_STACK_SIZE;
     initParam->usTaskPrio = OS_TASK_PRIORITY_LOWEST;
     initParam->policy = LOS_SCHED_RR;
     if (processID == OS_INVALID_VALUE) {
@@ -1654,7 +1654,7 @@ STATIC VOID OsResourceRecoveryTask(VOID)
         ret = LOS_EventRead(&g_resourceEvent, OS_RESOURCE_EVENT_MASK,
                             LOS_WAITMODE_OR | LOS_WAITMODE_CLR, LOS_WAIT_FOREVER);
         if (ret & (OS_RESOURCE_EVENT_FREE | OS_RESOURCE_EVENT_OOM)) {
-            OsTaskCBRecyleToFree();
+            OsTaskCBRecycleToFree();
 
             OsProcessCBRecyleToFree();
         }
@@ -1680,7 +1680,7 @@ LITE_OS_SEC_TEXT UINT32 OsCreateResourceFreeTask(VOID)
 
     (VOID)memset_s((VOID *)(&taskInitParam), sizeof(TSK_INIT_PARAM_S), 0, sizeof(TSK_INIT_PARAM_S));
     taskInitParam.pfnTaskEntry = (TSK_ENTRY_FUNC)OsResourceRecoveryTask;
-    taskInitParam.uwStackSize = OS_TASK_RESOURCE_STATCI_SIZE;
+    taskInitParam.uwStackSize = OS_TASK_RESOURCE_STATIC_SIZE;
     taskInitParam.pcName = "ResourcesTask";
     taskInitParam.usTaskPrio = OS_TASK_RESOURCE_FREE_PRIORITY;
     ret = LOS_TaskCreate(&taskID, &taskInitParam);
diff --git a/kernel/base/include/los_process_pri.h b/kernel/base/include/los_process_pri.h
index 944bf26436e66f0c0566897e89aa377ab3269497..80ad6bec4060bb77d884d6b0110aa02c96c7390b 100644
--- a/kernel/base/include/los_process_pri.h
+++ b/kernel/base/include/los_process_pri.h
@@ -303,7 +303,7 @@ STATIC INLINE BOOL OsProcessIsDead(const LosProcessCB *processCB)
         ((OS_PROCESS_GET_RUNTASK_COUNT(status) - 1) & OS_PROCESS_RUNTASK_COUNT_MASK))
 
 #define OS_TASK_DEFAULT_STACK_SIZE      0x2000
-#define OS_USER_TASK_SYSCALL_SATCK_SIZE 0x3000
+#define OS_USER_TASK_SYSCALL_STACK_SIZE 0x3000
 #define OS_USER_TASK_STACK_SIZE         0x100000
 
 #define OS_KERNEL_MODE 0x0U
diff --git a/kernel/base/include/los_task_pri.h b/kernel/base/include/los_task_pri.h
index d40c9511997ab08f56e0b31acacd67143ea80b77..e5b81cb0f37f7541e09f706f7c8ac8125ad54524 100644
--- a/kernel/base/include/los_task_pri.h
+++ b/kernel/base/include/los_task_pri.h
@@ -293,7 +293,7 @@ extern SPIN_LOCK_S g_taskSpin;
 #define LOSCFG_STACK_POINT_ALIGN_SIZE                       (sizeof(UINTPTR) * 2)
 #endif
 
-#define OS_TASK_RESOURCE_STATCI_SIZE    0x1000
+#define OS_TASK_RESOURCE_STATIC_SIZE    0x1000
 #define OS_TASK_RESOURCE_FREE_PRIORITY  5
 #define OS_RESOURCE_EVENT_MASK          0xFF
 #define OS_RESOURCE_EVENT_OOM           0x02
@@ -458,7 +458,7 @@ STATIC INLINE BOOL OsTaskIsInactive(const LosTaskCB *taskCB)
 /* get task info */
 #define OS_ALL_TASK_MASK  0xFFFFFFFF
 
-extern UINT32 OsTaskSetDeatchUnsafe(LosTaskCB *taskCB);
+extern UINT32 OsTaskSetDetachUnsafe(LosTaskCB *taskCB);
 extern VOID OsTaskJoinPostUnsafe(LosTaskCB *taskCB);
 extern UINT32 OsTaskJoinPendUnsafe(LosTaskCB *taskCB);
 extern BOOL OsTaskCpuAffiSetUnsafe(UINT32 taskID, UINT16 newCpuAffiMask, UINT16 *oldCpuAffiMask);
@@ -481,7 +481,7 @@ extern VOID OsRunTaskToDelete(LosTaskCB *taskCB);
 extern UINT32 OsTaskSyncWait(const LosTaskCB *taskCB);
 extern UINT32 OsCreateUserTask(UINT32 processID, TSK_INIT_PARAM_S *initParam);
 extern INT32 OsSetTaskName(LosTaskCB *taskCB, const CHAR *name, BOOL setPName);
-extern VOID OsTaskCBRecyleToFree(VOID);
+extern VOID OsTaskCBRecycleToFree(VOID);
 extern VOID OsTaskExitGroup(UINT32 status);
 extern VOID OsTaskToExit(LosTaskCB *taskCB, UINT32 status);
 extern VOID OsExecDestroyTaskGroup(VOID);
diff --git a/syscall/process_syscall.c b/syscall/process_syscall.c
index b13c6568ae1321470be8a3e28cf81cd171bd63e2..b4f5d002f5b3ab52d8835e97b22e453a4953c656 100644
--- a/syscall/process_syscall.c
+++ b/syscall/process_syscall.c
@@ -901,7 +901,7 @@ int SysUserThreadSetDeatch(unsigned int taskID)
         goto EXIT;
     }
 
-    ret = OsTaskSetDeatchUnsafe(taskCB);
+    ret = OsTaskSetDetachUnsafe(taskCB);
 
 EXIT:
     SCHEDULER_UNLOCK(intSave);