diff --git a/qingstor/qsctl/commands/base.py b/qingstor/qsctl/commands/base.py
index 02066167..e6f1a51a 100644
--- a/qingstor/qsctl/commands/base.py
+++ b/qingstor/qsctl/commands/base.py
@@ -101,8 +101,8 @@ def validate_bucket(cls, bucket):
             current_bucket = cls.client.Bucket(bucket, cls.bucket_map[bucket])
             resp = current_bucket.head()
             if resp.status_code != HTTP_OK:
-                print("Error: Please check if you have "
-                      "enough permission to access it." % bucket)
+                print("Error: Please check if you have enough"
+                      " permission to access bucket <%s>." % bucket)
                 sys.exit(-1)
 
     @classmethod
diff --git a/qingstor/qsctl/commands/transfer.py b/qingstor/qsctl/commands/transfer.py
index 94ff69a3..2f9c2505 100644
--- a/qingstor/qsctl/commands/transfer.py
+++ b/qingstor/qsctl/commands/transfer.py
@@ -151,7 +151,8 @@ def upload_file(cls, options):
         else:
             key = prefix
         if os.path.isfile(options.source_path):
-            if cls.confirm_key_upload(options, options.source_path, bucket, key):
+            if cls.confirm_key_upload(options, options.source_path, bucket,
+                                      key):
                 cls.send_local_file(options.source_path, bucket, key)
         elif options.source_path == '-':
             cls.send_data_from_stdin(bucket, key)
@@ -273,7 +274,6 @@ def send_data_from_stdin(cls, bucket, key):
             else:
                 print("Error: Failed to upload file '%s'" % '-')
 
-
     @classmethod
     def send_file(cls, local_path, bucket, key):
         with open(local_path, "rb") as data:
diff --git a/tests/commands/test_transfer.py b/tests/commands/test_transfer.py
index 176a58ad..48e15dac 100644
--- a/tests/commands/test_transfer.py
+++ b/tests/commands/test_transfer.py
@@ -77,15 +77,14 @@ def test_upload_file(self):
     def test_upload_file_from_stdin(self):
         # Create a large file(~8MB)
         with open("tmp/large_file", 'w') as f:
-            f.seek(8*1024*1024)
+            f.seek(8 * 1024 * 1024)
             f.write("just for testing")
         options = MockOptions(
             source_path="-",
             dest_path="qs://" + test_bucket1,
             exclude=None,
             include=None,
-            force=True
-        )
+            force=True)
         with open("tmp/large_file", 'rb') as f:
             with patch("qingstor.qsctl.utils.sys.stdin", f):
                 self.Transfer.upload_file(options)
@@ -98,8 +97,7 @@ def test_upload_file_from_stdin(self):
             dest_path="qs://" + test_bucket1,
             exclude=None,
             include=None,
-            force=True
-        )
+            force=True)
         with open("tmp/small_file", 'rb') as f:
             with patch("qingstor.qsctl.utils.sys.stdin", f):
                 self.Transfer.upload_file(options)