diff --git a/at.c b/at.c
index 951505e..941d2f9 100644
--- a/at.c
+++ b/at.c
@@ -1,7 +1,7 @@
 /******************************************************************************
  * @brief        AT命令通信管理(OS版本)
  *
- * Copyright (c) 2020, <master_roger@sina.com>
+ * Copyright (c) 2020, <morro_luo@163.com>
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/at.h b/at.h
index cfa8711..9742f89 100644
--- a/at.h
+++ b/at.h
@@ -1,7 +1,7 @@
 /******************************************************************************
  * @brief        AT命令通信管理(OS版本)
  *
- * Copyright (c) 2020, <master_roger@sina.com>
+ * Copyright (c) 2020, <morro_luo@163.com>
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/at_chat.c b/at_chat.c
index e4a7b90..4bc2d88 100644
--- a/at_chat.c
+++ b/at_chat.c
@@ -1,7 +1,7 @@
 /******************************************************************************
  * @brief        AT指令通信
  *
- * Copyright (c) 2020, <master_roger@sina.com>
+ * Copyright (c) 2020, <morro_luo@163.com>
  *
  * SPDX-License-Identifier: Apathe-2.0
  *
diff --git a/at_chat.h b/at_chat.h
index 0930fe8..2cdfdb7 100644
--- a/at_chat.h
+++ b/at_chat.h
@@ -1,7 +1,7 @@
 /******************************************************************************
  * @brief        AT指令通信
  *
- * Copyright (c) 2020, <master_roger@sina.com>
+ * Copyright (c) 2020, <morro_luo@163.com>
  *
  * SPDX-License-Identifier: Apathe-2.0
  *
diff --git a/at_util.h b/at_util.h
index 02c1170..bd2b6bd 100644
--- a/at_util.h
+++ b/at_util.h
@@ -1,7 +1,7 @@
 /******************************************************************************
  * @brief    at模块OS相关移植接口
  *
- * Copyright (c) 2020, <master_roger@sina.com>
+ * Copyright (c) 2020, <morro_luo@163.com>
  *
  * SPDX-License-Identifier: Apache-2.0
  *