diff --git a/tests/babel-utils-testsite.py b/tests/babel-utils-test-site.py
similarity index 96%
rename from tests/babel-utils-testsite.py
rename to tests/babel-utils-test-site.py
index 04aeb2a..27daf05 100755
--- a/tests/babel-utils-testsite.py
+++ b/tests/babel-utils-test-site.py
@@ -28,7 +28,7 @@ from babel.messages.frontend import CommandLineInterface
 from opencc import OpenCC
 
 root_dir: Path = Path(__file__).parent.parent
-translation_dir: Path = root_dir / "tests" / "testsite" / "translations"
+translation_dir: Path = root_dir / "tests" / "test_site" / "translations"
 domain: str = "messages"
 
 
@@ -49,7 +49,7 @@ def babel_extract() -> None:
         / f"{domain}.po"
     CommandLineInterface().run([
         "pybabel", "extract", "-F", str(cfg), "-k", "lazy_gettext", "-k", "A_",
-        "-o", str(pot), str(Path("tests") / "testsite")])
+        "-o", str(pot), str(Path("tests") / "test_site")])
     if not zh_hant.exists():
         zh_hant.touch()
     if not zh_hans.exists():
diff --git a/tests/test_account.py b/tests/test_account.py
index 3de04b5..0067118 100644
--- a/tests/test_account.py
+++ b/tests/test_account.py
@@ -27,7 +27,7 @@ from flask import Flask
 from flask.testing import FlaskCliRunner
 
 from testlib import UserClient, get_user_client
-from testsite import create_app
+from test_site import create_app
 
 
 class AccountCommandTestCase(unittest.TestCase):
diff --git a/tests/test_base_account.py b/tests/test_base_account.py
index b9f3866..7721977 100644
--- a/tests/test_base_account.py
+++ b/tests/test_base_account.py
@@ -26,7 +26,7 @@ from flask import Flask
 from flask.testing import FlaskCliRunner
 
 from testlib import UserClient, get_user_client
-from testsite import create_app
+from test_site import create_app
 
 
 class BaseAccountCommandTestCase(unittest.TestCase):
diff --git a/tests/testsite/__init__.py b/tests/test_site/__init__.py
similarity index 100%
rename from tests/testsite/__init__.py
rename to tests/test_site/__init__.py
diff --git a/tests/testsite/auth.py b/tests/test_site/auth.py
similarity index 100%
rename from tests/testsite/auth.py
rename to tests/test_site/auth.py
diff --git a/tests/testsite/locale.py b/tests/test_site/locale.py
similarity index 100%
rename from tests/testsite/locale.py
rename to tests/test_site/locale.py
diff --git a/tests/testsite/templates/base.html b/tests/test_site/templates/base.html
similarity index 100%
rename from tests/testsite/templates/base.html
rename to tests/test_site/templates/base.html
diff --git a/tests/testsite/templates/home.html b/tests/test_site/templates/home.html
similarity index 100%
rename from tests/testsite/templates/home.html
rename to tests/test_site/templates/home.html
diff --git a/tests/testsite/templates/login.html b/tests/test_site/templates/login.html
similarity index 100%
rename from tests/testsite/templates/login.html
rename to tests/test_site/templates/login.html
diff --git a/tests/testsite/translations/babel.cfg b/tests/test_site/translations/babel.cfg
similarity index 100%
rename from tests/testsite/translations/babel.cfg
rename to tests/test_site/translations/babel.cfg
diff --git a/tests/testsite/translations/zh_Hant/LC_MESSAGES/messages.po b/tests/test_site/translations/zh_Hant/LC_MESSAGES/messages.po
similarity index 71%
rename from tests/testsite/translations/zh_Hant/LC_MESSAGES/messages.po
rename to tests/test_site/translations/zh_Hant/LC_MESSAGES/messages.po
index 8371664..2bc323f 100644
--- a/tests/testsite/translations/zh_Hant/LC_MESSAGES/messages.po
+++ b/tests/test_site/translations/zh_Hant/LC_MESSAGES/messages.po
@@ -20,35 +20,37 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Generated-By: Babel 2.11.0\n"
 
-#: tests/testsite/templates/base.html:23
+#: tests/test_site/templates/base.html:23
 msgid "en"
 msgstr "zh-Hant"
 
-#: tests/testsite/templates/base.html:43 tests/testsite/templates/home.html:24
+#: tests/test_site/templates/base.html:43
+#: tests/test_site/templates/home.html:24
 msgid "Home"
 msgstr "首頁"
 
-#: tests/testsite/templates/base.html:68
+#: tests/test_site/templates/base.html:68
 msgid "Log Out"
 msgstr ""
 
-#: tests/testsite/templates/base.html:78 tests/testsite/templates/login.html:24
+#: tests/test_site/templates/base.html:78
+#: tests/test_site/templates/login.html:24
 msgid "Log In"
 msgstr "登入"
 
-#: tests/testsite/templates/base.html:119
+#: tests/test_site/templates/base.html:119
 msgid "Error:"
 msgstr "錯誤："
 
-#: tests/testsite/templates/login.html:30
+#: tests/test_site/templates/login.html:30
 msgid "Viewer"
 msgstr "讀報表者"
 
-#: tests/testsite/templates/login.html:31
+#: tests/test_site/templates/login.html:31
 msgid "Editor"
 msgstr "記帳者"
 
-#: tests/testsite/templates/login.html:32
+#: tests/test_site/templates/login.html:32
 msgid "Nobody"
 msgstr "沒有權限者"