Modify Readme

Author: dt3310321

README.rst

@@ -27,11 +27,11 @@ cos最新可用地域,参照https://www.qcloud.com/document/product/436/6224
 .. code:: python
 
     # 设置用户属性, 包括appid, secret_id, secret_key, region
-    appid = '100000'              # 替换为用户的appid
+    appid = '100000'           # 替换为用户的appid
     secret_id = 'xxxxxxxx'     # 替换为用户的secret_id
     secret_key = 'xxxxxxx'     # 替换为用户的secret_key
-    region = 'ap-beiging-1'     # 替换为用户的region 
-    token = ''                  # 使用临时秘钥需要传入Token，默认为空,可不填
+    region = 'ap-beiging-1'    # 替换为用户的region 
+    token = ''                 # 使用临时秘钥需要传入Token，默认为空,可不填
     config = CosConfig(Appid=appid, Region=region, Access_id=secret_id, Access_key=secret_key, Token=token)  #获取配置对象
     client = CosS3Client(config)                                                                #获取客户端对象