diff --git a/debug.py b/debug.py
deleted file mode 100644
index 1e422b2..0000000
--- a/debug.py
+++ /dev/null
@@ -1,13 +0,0 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-
-"""
-
-File Name :
-File Description :
-Author : Liangwei Li
-
-"""
-import random
-
-over_in_advance = 100
diff --git a/pytest.ini b/pytest.ini
deleted file mode 100644
index 541fbe6..0000000
--- a/pytest.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[pytest]
-testpaths = tests .
-pep8ignore =
-    tests/*.py ALL
diff --git a/requirements.txt b/requirements.txt
index d044527..a8326b9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,5 @@
 bcrypt==3.1.4
-Pillow==5.2.0
-Tornado==5.1.0
+Pillow==5.3.0
+Tornado==5.1.1
 pymysql==0.9.2
-pytest==3.7.3
 
diff --git a/tests/__init__.py b/tests/__init__.py
deleted file mode 100644
index 8b13789..0000000
--- a/tests/__init__.py
+++ /dev/null
@@ -1 +0,0 @@
-