diff --git a/deps/ussl-hook/loop/auth-methods.c b/deps/ussl-hook/loop/auth-methods.c
index af53836a53..138d8233e6 100644
--- a/deps/ussl-hook/loop/auth-methods.c
+++ b/deps/ussl-hook/loop/auth-methods.c
@@ -1,3 +1,14 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
 
 int g_ussl_client_auth_methods = USSL_AUTH_NONE;
 // all methods are supported by default
diff --git a/deps/ussl-hook/loop/auth-methods.h b/deps/ussl-hook/loop/auth-methods.h
index a47ab18e5f..f950de4b3b 100644
--- a/deps/ussl-hook/loop/auth-methods.h
+++ b/deps/ussl-hook/loop/auth-methods.h
@@ -1,3 +1,15 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
 #ifndef USSL_HOOK_LOOP_AUTH_METHODS_
 #define USSL_HOOK_LOOP_AUTH_METHODS_
 
diff --git a/deps/ussl-hook/loop/handle-event.c b/deps/ussl-hook/loop/handle-event.c
index 58267705a3..bde110cfc3 100644
--- a/deps/ussl-hook/loop/handle-event.c
+++ b/deps/ussl-hook/loop/handle-event.c
@@ -1,3 +1,15 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
 #include <errno.h>
 #include <string.h>
 #include <stdlib.h>
diff --git a/deps/ussl-hook/loop/handle-event.h b/deps/ussl-hook/loop/handle-event.h
index cc56f3b6d8..fa65158c7a 100644
--- a/deps/ussl-hook/loop/handle-event.h
+++ b/deps/ussl-hook/loop/handle-event.h
@@ -1,3 +1,15 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
 #ifndef USSL_HOOK_LOOP_HANDLE_EVENT_
 #define USSL_HOOK_LOOP_HANDLE_EVENT_
 
diff --git a/deps/ussl-hook/loop/pipefd.c b/deps/ussl-hook/loop/pipefd.c
index 0c37c986b4..58252c7838 100644
--- a/deps/ussl-hook/loop/pipefd.c
+++ b/deps/ussl-hook/loop/pipefd.c
@@ -1,3 +1,15 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
 static int pipefd_handle_event(pipefd_t *s)
 {
   int ret = 0;
diff --git a/deps/ussl-hook/loop/pipefd.h b/deps/ussl-hook/loop/pipefd.h
index 9e5bb7c780..df9aea4279 100644
--- a/deps/ussl-hook/loop/pipefd.h
+++ b/deps/ussl-hook/loop/pipefd.h
@@ -1,3 +1,15 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
 #ifndef USSL_HOOK_LOOP_PIPEFD_
 #define USSL_HOOK_LOOP_PIPEFD_
 
diff --git a/deps/ussl-hook/loop/ussl_eloop.c b/deps/ussl-hook/loop/ussl_eloop.c
index 41d273b5ab..54e47407eb 100644
--- a/deps/ussl-hook/loop/ussl_eloop.c
+++ b/deps/ussl-hook/loop/ussl_eloop.c
@@ -1,3 +1,15 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
 int64_t ob_update_loop_ts();
 
 int ussl_is_stop()
diff --git a/deps/ussl-hook/loop/ussl_eloop.h b/deps/ussl-hook/loop/ussl_eloop.h
index 94d92d8383..8601622d4e 100644
--- a/deps/ussl-hook/loop/ussl_eloop.h
+++ b/deps/ussl-hook/loop/ussl_eloop.h
@@ -1,3 +1,15 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
 #ifndef USSL_HOOK_LOOP_ELOOP_
 #define USSL_HOOK_LOOP_ELOOP_
 
diff --git a/deps/ussl-hook/loop/ussl_factory.c b/deps/ussl-hook/loop/ussl_factory.c
index a46f00277d..a6cef29e44 100644
--- a/deps/ussl-hook/loop/ussl_factory.c
+++ b/deps/ussl-hook/loop/ussl_factory.c
@@ -1,3 +1,15 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
 static clientfd_sk_t *clientfd_sk_new(ussl_sf_t *sf)
 {
   clientfd_sk_t *s = NULL;
diff --git a/deps/ussl-hook/loop/ussl_factory.h b/deps/ussl-hook/loop/ussl_factory.h
index ae186c53ca..120443ffe7 100644
--- a/deps/ussl-hook/loop/ussl_factory.h
+++ b/deps/ussl-hook/loop/ussl_factory.h
@@ -1,3 +1,15 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
 #ifndef USSL_HOOK_LOOP_FACTORY_
 #define USSL_HOOK_LOOP_FACTORY_
 
diff --git a/deps/ussl-hook/loop/ussl_ihash_map.c b/deps/ussl-hook/loop/ussl_ihash_map.c
index ed3d3ec1c3..3cb7c3244e 100644
--- a/deps/ussl-hook/loop/ussl_ihash_map.c
+++ b/deps/ussl-hook/loop/ussl_ihash_map.c
@@ -1,3 +1,15 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
 #define __ussl_fhmix(h) ({                      \
       (h) ^= (h) >> 23;                         \
       (h) *= 0x2127599bf4325c37ULL;             \
diff --git a/deps/ussl-hook/loop/ussl_ihash_map.h b/deps/ussl-hook/loop/ussl_ihash_map.h
index 2b31ebf2d4..5d149c64d6 100644
--- a/deps/ussl-hook/loop/ussl_ihash_map.h
+++ b/deps/ussl-hook/loop/ussl_ihash_map.h
@@ -1,3 +1,15 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
 typedef struct ussl_hash_t {
   int64_t capacity;
   ussl_link_t table[0];
diff --git a/deps/ussl-hook/loop/ussl_link.c b/deps/ussl-hook/loop/ussl_link.c
index 2916cec269..e53294da5a 100644
--- a/deps/ussl-hook/loop/ussl_link.c
+++ b/deps/ussl-hook/loop/ussl_link.c
@@ -1,3 +1,15 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
 extern inline void ussl_link_init(ussl_link_t* n);
 extern inline int ussl_link_is_empty(ussl_link_t* n);
 extern inline ussl_link_t* ussl_link_insert(ussl_link_t* prev, ussl_link_t* t);
diff --git a/deps/ussl-hook/loop/ussl_link.h b/deps/ussl-hook/loop/ussl_link.h
index 644afd0aa7..0cef842e73 100644
--- a/deps/ussl-hook/loop/ussl_link.h
+++ b/deps/ussl-hook/loop/ussl_link.h
@@ -1,3 +1,15 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
 typedef struct ussl_link_t {
   struct ussl_link_t* next;
 } ussl_link_t;
diff --git a/deps/ussl-hook/loop/ussl_listenfd.c b/deps/ussl-hook/loop/ussl_listenfd.c
index 0524fc766c..6381ee5ece 100644
--- a/deps/ussl-hook/loop/ussl_listenfd.c
+++ b/deps/ussl-hook/loop/ussl_listenfd.c
@@ -1,3 +1,15 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
 #include "ussl_listenfd.h"
 #include "../ussl-deps.h"
 #include <errno.h>
diff --git a/deps/ussl-hook/loop/ussl_listenfd.h b/deps/ussl-hook/loop/ussl_listenfd.h
index 567a4977d0..4363fe038c 100644
--- a/deps/ussl-hook/loop/ussl_listenfd.h
+++ b/deps/ussl-hook/loop/ussl_listenfd.h
@@ -1,3 +1,15 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
 #ifndef USSL_HOOK_LOOP_LISTENFD_
 #define USSL_HOOK_LOOP_LISTENFD_
 
diff --git a/deps/ussl-hook/loop/ussl_sock.c b/deps/ussl-hook/loop/ussl_sock.c
index f31c2b344e..a7ead56d63 100644
--- a/deps/ussl-hook/loop/ussl_sock.c
+++ b/deps/ussl-hook/loop/ussl_sock.c
@@ -1,3 +1,15 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
 extern inline void ussl_skset(ussl_sock_t *s, uint32_t m);
 extern inline void ussl_skclear(ussl_sock_t *s, uint32_t m);
 extern inline int ussl_sktest(ussl_sock_t *s, uint32_t m);
diff --git a/deps/ussl-hook/loop/ussl_sock.h b/deps/ussl-hook/loop/ussl_sock.h
index 9a7bd20a55..51585abc47 100644
--- a/deps/ussl-hook/loop/ussl_sock.h
+++ b/deps/ussl-hook/loop/ussl_sock.h
@@ -1,3 +1,15 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
 #ifndef USSL_HOOK_LOOP_SOCK_
 #define USSL_HOOK_LOOP_SOCK_
 
diff --git a/deps/ussl-hook/message.c b/deps/ussl-hook/message.c
index e803ba5ff8..8a34356763 100644
--- a/deps/ussl-hook/message.c
+++ b/deps/ussl-hook/message.c
@@ -1,3 +1,15 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
 # define USSL_DEFAULT_VERSION 1
 
 int send_negotiation_message(int fd, const char *b, int sz)
diff --git a/deps/ussl-hook/message.h b/deps/ussl-hook/message.h
index b3b163496a..8e7fe350b4 100644
--- a/deps/ussl-hook/message.h
+++ b/deps/ussl-hook/message.h
@@ -1,3 +1,15 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
 #ifndef USSL_HOOK_MESSAGE_H
 #define USSL_HOOK_MESSAGE_H
 
diff --git a/deps/ussl-hook/ssl/ssl_config.c b/deps/ussl-hook/ssl/ssl_config.c
index f53b92854f..a1631e88e5 100644
--- a/deps/ussl-hook/ssl/ssl_config.c
+++ b/deps/ussl-hook/ssl/ssl_config.c
@@ -1,3 +1,15 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
 #include <openssl/evp.h>
 #include <openssl/x509.h>
 #include <openssl/pem.h>
diff --git a/deps/ussl-hook/ssl/ssl_config.h b/deps/ussl-hook/ssl/ssl_config.h
index 6d1e21e5cf..63292abb8f 100644
--- a/deps/ussl-hook/ssl/ssl_config.h
+++ b/deps/ussl-hook/ssl/ssl_config.h
@@ -1,3 +1,15 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
 #pragma once
 
 int ssl_config_ctx_id = -1;
diff --git a/deps/ussl-hook/ussl-deps.c b/deps/ussl-hook/ussl-deps.c
index e662705d14..e887ca6cb0 100644
--- a/deps/ussl-hook/ussl-deps.c
+++ b/deps/ussl-hook/ussl-deps.c
@@ -1,3 +1,15 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
 #include "ussl-deps.h"
 #include <dlfcn.h>
 #include <fcntl.h>
diff --git a/deps/ussl-hook/ussl-deps.h b/deps/ussl-hook/ussl-deps.h
index 77c8e64479..effb57e8a9 100644
--- a/deps/ussl-hook/ussl-deps.h
+++ b/deps/ussl-hook/ussl-deps.h
@@ -1,3 +1,15 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
 #ifndef USSL_HOOK_USSL_DEPS_
 #define USSL_HOOK_USSL_DEPS_
 
diff --git a/deps/ussl-hook/ussl-hook.c b/deps/ussl-hook/ussl-hook.c
index 5e32bbc442..c651c0b90f 100644
--- a/deps/ussl-hook/ussl-hook.c
+++ b/deps/ussl-hook/ussl-hook.c
@@ -1,3 +1,15 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
 #include <sys/socket.h>
 #include <sys/epoll.h>
 #include <errno.h>
diff --git a/deps/ussl-hook/ussl-hook.h b/deps/ussl-hook/ussl-hook.h
index 0b3aba9b3b..fae8bbe0ff 100644
--- a/deps/ussl-hook/ussl-hook.h
+++ b/deps/ussl-hook/ussl-hook.h
@@ -1,3 +1,15 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
 #ifndef USSL_HOOK_USSL_HOOK_
 #define USSL_HOOK_USSL_HOOK_
 
diff --git a/deps/ussl-hook/ussl-loop.c b/deps/ussl-hook/ussl-loop.c
index a43fc5f40b..ae6b5cac5b 100644
--- a/deps/ussl-hook/ussl-loop.c
+++ b/deps/ussl-hook/ussl-loop.c
@@ -1,3 +1,15 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
 #include "ussl-loop.h"
 #include <errno.h>
 #include <netinet/in.h>
diff --git a/deps/ussl-hook/ussl-loop.h b/deps/ussl-hook/ussl-loop.h
index b0324c40e8..3ccc0bd526 100644
--- a/deps/ussl-hook/ussl-loop.h
+++ b/deps/ussl-hook/ussl-loop.h
@@ -1,3 +1,15 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
 #ifndef USSL_HOOK_LOOP_USSL_LOOP_
 #define USSL_HOOK_LOOP_USSL_LOOP_