diff --git a/aria2/Dockerfile b/aria2/Dockerfile
index cf72fe1..68a2a60 100644
--- a/aria2/Dockerfile
+++ b/aria2/Dockerfile
@@ -1,8 +1,5 @@
 FROM alpine:3.19.1
 
-# Optimization for China
-RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.tuna.tsinghua.edu.cn/g' /etc/apk/repositories
-
 RUN apk update && apk add --no-cache aria2
 
 ADD entrypoint.sh /
diff --git a/test/runner.py b/test/runner.py
index e2908fb..83b8d70 100755
--- a/test/runner.py
+++ b/test/runner.py
@@ -24,6 +24,9 @@ services = [
 ]
 
 os.chdir(root_dir)
+
+if not os.path.exists(".env"):
+    call("cp .env.example .env")
 call("docker-compose up -d --force-recreate --wait")
 
 os.chdir(test_dir)