diff --git a/backup_tencent_cos.py b/backup_tencent_cos.py
index bd701a3..acf11f6 100644
--- a/backup_tencent_cos.py
+++ b/backup_tencent_cos.py
@@ -3,6 +3,10 @@
 # pip install -U cos-python-sdk-v5
 import os
 
+import sys
+import tarfile
+
+import subprocess
 from qcloud_cos import CosConfig
 from qcloud_cos import CosS3Client
 
@@ -12,6 +16,12 @@ region = ''
 bucket = ''
 token = ''
 
+backup_dir = "/home/mi/Public"  # 需要备份的目录
+backup_filename = "backup.tar.gz"
+temp_dir = "/tmp/backup/"
+sql_filename = "backup.sql"
+MYSQL_USER = "root"
+MYSQY_PASSWORD = "password"
 
 def put(client, file_path):
     if not os.path.exists(file_path):
@@ -37,6 +47,36 @@ if __name__ == '__main__':
     config = CosConfig(Secret_id=secret_id, Secret_key=secret_key, Region=region)
     client = CosS3Client(conf=config)
 
-    put(client, '')
-    get(client, '')
+    try:
+        if not os.path.isdir(temp_dir):
+            os.mkdir(temp_dir)
+    except IOError, err:
+        print err
+        sys.exit()
+
+    full_temp = os.path.join(temp_dir, backup_filename)
+    tar = tarfile.open(name=full_temp, mode='w:gz')
+    for dirpath, dirnames, filenames in os.walk(backup_dir):
+        for file in filenames:
+            full_path = os.path.join(dirpath, file)
+            tar.add(full_path, arcname=file, recursive=False)
+
+
+    try:
+        # 请自行更改mysqldump路径
+        cmd = '/usr/bin/mysqldump -u' + MYSQL_USER + ' -p' + MYSQY_PASSWORD + ' --all-databases > ' + temp_dir + '/' + sql_filename
+        h = subprocess.call(cmd)
+        if h[0] != 0:
+            print "error mysql backup"
+        else:
+            full_path = os.path.join(temp_dir, sql_filename)
+            tar.add(full_path, arcname=sql_filename, recursive=False)
+    except IOError, error:
+        print error
+
+    tar.close()
+
+    put(client, full_temp)
+    # get(client, '')
+    os.remove(full_temp)