5 files changed, 7 insertions, 7 deletions
diff --git a/components/libc/compilers/common/stdlib.c b/components/libc/compilers/common/stdlib.c
index 48a86098cd..9d8952e99e 100644
--- a/components/libc/compilers/common/stdlib.c
+++ b/components/libc/compilers/common/stdlib.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/components/libc/compilers/common/sys/time.h b/components/libc/compilers/common/sys/time.h
index 5bf5bc5e92..67ef1d2faa 100644
--- a/components/libc/compilers/common/sys/time.h
+++ b/components/libc/compilers/common/sys/time.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/components/libc/compilers/common/termios.h b/components/libc/compilers/common/termios.h
index 414d0c0cb3..2960d52c58 100644
--- a/components/libc/compilers/common/termios.h
+++ b/components/libc/compilers/common/termios.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/components/libc/compilers/common/time.c b/components/libc/compilers/common/time.c
index ed72cc1f3f..0bad6bdf8e 100644
--- a/components/libc/compilers/common/time.c
+++ b/components/libc/compilers/common/time.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -181,7 +181,7 @@ RTM_EXPORT(ctime);
  *
  * @param time_t * t the timestamp pointer, if not used, keep NULL.
  *
- * @return The value ((time_t)-1) is returned if the calendar time is not available. 
+ * @return The value ((time_t)-1) is returned if the calendar time is not available.
  *         If timer is not a NULL pointer, the return value is also stored in timer.
  *
  */
@@ -366,7 +366,7 @@ int settimeofday(const struct timeval *tv, const struct timezone *tz)
 RTM_EXPORT(settimeofday);
 
 /* inherent in the toolchain */
-RTM_EXPORT(difftime); 
+RTM_EXPORT(difftime);
 RTM_EXPORT(strftime);
 
 #ifdef RT_USING_POSIX
diff --git a/components/libc/compilers/common/unistd.c b/components/libc/compilers/common/unistd.c
index 0966242e55..20130cbb8a 100644
--- a/components/libc/compilers/common/unistd.c
+++ b/components/libc/compilers/common/unistd.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *