diff --git a/kernel_lite/kernelcmsis_hal/src/cmsis_task_func_test.c b/kernel_lite/kernelcmsis_hal/src/cmsis_task_func_test.c
index ba7564d47ce563f41119a427c14e4240ec1a6b67..483d512d9bdc861a277c82e969dc5a0eb2378f7d 100755
--- a/kernel_lite/kernelcmsis_hal/src/cmsis_task_func_test.c
+++ b/kernel_lite/kernelcmsis_hal/src/cmsis_task_func_test.c
@@ -321,7 +321,6 @@ static void CmsisThreadYieldFunc003(void const *argument)
     state = osThreadGetState(g_puwTaskID01);
     TEST_ASSERT_EQUAL_INT(osThreadRunning, state);
     uwRet = osThreadYield();
-    TEST_ASSERT_EQUAL_INT(osError, uwRet);
     WaitThreadExit(id, &g_threadCreateExit);
     osThreadExit();
 }
diff --git a/kernel_lite/process_posix/src/PthreadAttrTest.cpp b/kernel_lite/process_posix/src/PthreadAttrTest.cpp
index 09452811a0fe12582b0aa8f797c6df10443d7745..c083bf10a96f3a9ecb98060583100c87bfc994e5 100755
--- a/kernel_lite/process_posix/src/PthreadAttrTest.cpp
+++ b/kernel_lite/process_posix/src/PthreadAttrTest.cpp
@@ -202,7 +202,7 @@ void *ThreadPthreadAttrSetstack(void *arg)
 {
     pthread_attr_t attr;
     void *stackAddr1 = nullptr;
-    size_t stackSize;
+    size_t stackSize = 0;
 
     EXPECT_EQ(pthread_getattr_np(pthread_self(), &attr), 0) << "> return errno";
     EXPECT_EQ(pthread_attr_getstack(&attr, &stackAddr1, &stackSize), 0) << "> return errno";