diff --git a/kernel/src/los_queue.c b/kernel/src/los_queue.c
index 21c8c711..8cfbccfc 100644
--- a/kernel/src/los_queue.c
+++ b/kernel/src/los_queue.c
@@ -452,7 +452,8 @@ LITE_OS_SEC_TEXT UINT32 LOS_QueueReadCopy(UINT32 queueID,
 
     operateType = OS_QUEUE_OPERATE_TYPE(OS_QUEUE_READ, OS_QUEUE_HEAD, OS_QUEUE_NOT_POINT);
 
-    OsHookCall(LOS_HOOK_TYPE_QUEUE_READ_COPY, (LosQueueCB *)GET_QUEUE_HANDLE(queueID), operateType, *bufferSize, timeOut);
+    OsHookCall(LOS_HOOK_TYPE_QUEUE_READ_COPY, (LosQueueCB *)GET_QUEUE_HANDLE(queueID),
+               operateType, *bufferSize, timeOut);
 
     return OsQueueOperate(queueID, operateType, bufferAddr, bufferSize, timeOut);
 }
@@ -489,7 +490,8 @@ LITE_OS_SEC_TEXT UINT32 LOS_QueueWriteCopy(UINT32 queueID,
 
     operateType = OS_QUEUE_OPERATE_TYPE(OS_QUEUE_WRITE, OS_QUEUE_TAIL, OS_QUEUE_NOT_POINT);
 
-    OsHookCall(LOS_HOOK_TYPE_QUEUE_WRITE_COPY, (LosQueueCB *)GET_QUEUE_HANDLE(queueID), operateType, bufferSize, timeOut);
+    OsHookCall(LOS_HOOK_TYPE_QUEUE_WRITE_COPY, (LosQueueCB *)GET_QUEUE_HANDLE(queueID),
+               operateType, bufferSize, timeOut);
 
     return OsQueueOperate(queueID, operateType, bufferAddr, &bufferSize, timeOut);
 }
diff --git a/testsuites/sample/posix/mutex/It_posix_mutex_038.c b/testsuites/sample/posix/mutex/It_posix_mutex_038.c
index 395597ca..74dc3aaf 100644
--- a/testsuites/sample/posix/mutex/It_posix_mutex_038.c
+++ b/testsuites/sample/posix/mutex/It_posix_mutex_038.c
@@ -50,7 +50,7 @@ static void *TaskF01(void *parm)
             return (void *)(LOS_NOK);
         }
 
-        tmp = g_value + 1; 
+        tmp = g_value + 1;
         usleep(1000); // 1000, delay the increasement operation.
         g_value = tmp;
 
diff --git a/testsuites/sample/posix/pthread/It_posix_pthread_004.c b/testsuites/sample/posix/pthread/It_posix_pthread_004.c
index d852ad61..430c1beb 100644
--- a/testsuites/sample/posix/pthread/It_posix_pthread_004.c
+++ b/testsuites/sample/posix/pthread/It_posix_pthread_004.c
@@ -42,7 +42,7 @@ static UINT32 Testcase(VOID)
     ret = pthread_attr_setdetachstate(NULL, PTHREAD_CREATE_DETACHED);
     ICUNIT_GOTO_EQUAL(ret, EINVAL, ret, EXIT);
 
-    ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE - 2);
+    ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE - 2); // 2: used to create a invalid argument
     ICUNIT_GOTO_EQUAL(ret, EINVAL, ret, EXIT);
 
     ret = pthread_attr_setdetachstate(&attr, 3); // 3, test the param of function.