diff --git a/kernel_lite/time_posix/src/AlarmTest.cpp b/kernel_lite/time_posix/src/AlarmTest.cpp
index df21b3f993a2277d35205ca0b756425cb8add0bf..35d5dbd3c311cb470e1d940748c663e3c2346f7b 100755
--- a/kernel_lite/time_posix/src/AlarmTest.cpp
+++ b/kernel_lite/time_posix/src/AlarmTest.cpp
@@ -360,7 +360,7 @@ HWTEST_F(AlarmTest, testTimerCreateFork, Function | MediumTest | Level2)
         Msleep(setMillisec + ACCURACY_ERROR);
         EXPECT_EQ(mReceivedSignal, SIGALRM);
         WaitProcExitedOK(pid);
-	EXPECT_EQ(timer_delete(tid), 0) << "ERROR: timer_delete() != 0";
+        EXPECT_EQ(timer_delete(tid), 0) << "ERROR: timer_delete() != 0";
     }
 }