diff --git a/README.md b/README.md
index cf293c229dff9bda537c578606d69110cf8be4a5..f8eef50c0bfe697f5188ac94eda45318eb206d46 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,6 @@
 # model_file
 
 #### 介绍
-HHGRec: code reviewer Recommendation method based on Heterogeneous HyperGraph
\ No newline at end of file
+HHGRec: code reviewer Recommendation method based on Heterogeneous HyperGraph
+
+# this is a readme
\ No newline at end of file
diff --git a/graphQLSpider/shell.py b/graphQLSpider/shell.py
index 18aa7d628d49085c0b9acf61d6863748e2e3f6d4..29305833d20b148fe25d96224733f574150a4df7 100644
--- a/graphQLSpider/shell.py
+++ b/graphQLSpider/shell.py
@@ -6,7 +6,8 @@ args = [['--org=joomla', '--project=joomla-cms'], ['--org=bitcoin', '--project=b
 # joomla-cms bitcoin symfony 没完成
 # args = [['--org=chaoss', '--project=augur']]
 # args = [['--org=cakephp', '--project=cakephp']]
-access_tokens = ["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", "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", "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", "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"]
+# access_tokens = ["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", "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", "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", "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"]
+access_tokens = []
 # curl -i https://api.github.com/rate_limit -H "Authorization: token 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"
 token_index = 0
 token_length = len(access_tokens)