diff --git a/components/shell/src/cmds/task_shellcmd.c b/components/shell/src/cmds/task_shellcmd.c
index aa56f2c2bfd3fdcd22b551064b025583541d606e..ad2724412bb0bcb6af4740bb6e58fcac799e9d5e 100755
--- a/components/shell/src/cmds/task_shellcmd.c
+++ b/components/shell/src/cmds/task_shellcmd.c
@@ -1,3 +1,34 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
 #include "stdlib.h"
 #include "los_config.h"
 #include "los_exc.h"
@@ -34,12 +65,12 @@ LITE_OS_SEC_TEXT_MINOR STATIC VOID OsShellCmdTskInfoTitle(VOID)
     PRINTK("\r\nName                   TaskEntryAddr       TID    ");
 
     PRINTK("Priority   Status       "
-           "StackSize      StackPoint   TopOfStack");
+           "StackSize       StackPoint   TopOfStack");
 
     PRINTK("\n");
     PRINTK("----                   -------------       ---    ");
     PRINTK("--------   --------     "
-           "---------    ----------     ----------");
+           "---------       ----------   ----------");
     PRINTK("\n");
 }