diff --git a/askchat/__init__.py b/askchat/__init__.py
index 713d7f7..bc667cb 100644
--- a/askchat/__init__.py
+++ b/askchat/__init__.py
@@ -2,6 +2,6 @@
 
 __author__ = """Rex Wang"""
 __email__ = '1073853456@qq.com'
-__version__ = '0.0.1'
+__version__ = '0.0.2'
 
 from .askchat import ask
\ No newline at end of file
diff --git a/askchat/askchat.py b/askchat/askchat.py
index 65e3927..0b44ef7 100644
--- a/askchat/askchat.py
+++ b/askchat/askchat.py
@@ -1,5 +1,4 @@
 """Main module."""
-import chattool
 from chattool import Chat
 import asyncio
 from argparse import ArgumentParser
diff --git a/setup.cfg b/setup.cfg
index 9133f22..1107938 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.0.1
+current_version = 0.0.2
 commit = True
 tag = True
 
diff --git a/setup.py b/setup.py
index ce760d4..cd9a88c 100644
--- a/setup.py
+++ b/setup.py
@@ -7,9 +7,9 @@
 with open('README.md') as readme_file:
     readme = readme_file.read()
 
-requirements = [ ]
+requirements = ['chattool>=2.3.0']
 
-test_requirements = ['pytest>=3', 'chattool>=2.3.0']
+test_requirements = ['pytest>=3']
 
 setup(
     author="Rex Wang",