update setup about classifiers

setup.py

@@ -50,14 +50,13 @@ setup(
         'swin-transformer', 'image-retrieval-system'
     ],
     classifiers=[
-        'Intended Audience :: Developers',
+        'Development Status :: 5 - Production/Stable',
         'Operating System :: OS Independent',
-        'Natural Language :: Chinese (Simplified)',
-        'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.2',
-        'Programming Language :: Python :: 3.3',
-        'Programming Language :: Python :: 3.4',
-        'Programming Language :: Python :: 3.5',
-        'Programming Language :: Python :: 3.6',
-        'Programming Language :: Python :: 3.7', 'Topic :: Utilities'
+        'Intended Audience :: Developers',
+        'Intended Audience :: Education',
+        'Intended Audience :: Science/Research',
+        'License :: OSI Approved :: Apache Software License',
+        'Programming Language :: Python :: 3.7',
+        'Programming Language :: Python :: 3.8',
+        'Programming Language :: Python :: 3.9',
     ], )