diff --git a/README.md b/README.md
index 64f5898..2d744f1 100644
--- a/README.md
+++ b/README.md
@@ -218,4 +218,6 @@ DB_USER = 'postgres'
 DB_PASSWORD = ''
 DB_HOST = ''
 DB_PORT = ''
+# prefix of url to access static files
+DJANGO_STATIC_URL = 'static/'
 ```
diff --git a/baidupcsleecher/settings.py b/baidupcsleecher/settings.py
index f121bf2..b4eca1f 100644
--- a/baidupcsleecher/settings.py
+++ b/baidupcsleecher/settings.py
@@ -188,7 +188,7 @@
 # Static files (CSS, JavaScript, Images)
 # https://docs.djangoproject.com/en/4.1/howto/static-files/
 
-STATIC_URL = "static/"
+STATIC_URL = getenv("DJANGO_STATIC_URL", "static/")
 STATIC_ROOT = BASE_DIR / "staticfiles"
 STATICFILES_DIRS = [
     BASE_DIR / "static",