diff --git a/deps/SZ/sz/include/td_sz.h b/deps/SZ/sz/include/td_sz.h
index d533365a6795924aece0871e592e2fd7c1c3895d..f061603e7a4c72682686257327ab1ed64f778c58 100644
--- a/deps/SZ/sz/include/td_sz.h
+++ b/deps/SZ/sz/include/td_sz.h
@@ -1,4 +1,17 @@
-
+/*
+ * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
+ *
+ * This program is free software: you can use, redistribute, and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3
+ * or later ("AGPL"), as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
 #ifndef _TD_SZ_H
 #define _TD_SZ_H
 #include "defines.h"
diff --git a/deps/SZ/sz/src/td_sz.c b/deps/SZ/sz/src/td_sz.c
index dde5512b1d31e4791d996c94858c00667059bd7c..5206ec3a6e7450ef6187ff6671656da83bfc0b94 100644
--- a/deps/SZ/sz/src/td_sz.c
+++ b/deps/SZ/sz/src/td_sz.c
@@ -1,3 +1,17 @@
+/*
+ * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
+ *
+ * This program is free software: you can use, redistribute, and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3
+ * or later ("AGPL"), as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
 
 #include <stdio.h>
 #include <stdlib.h>