diff --git a/.env b/.env
new file mode 100644
index 0000000..965261b
--- /dev/null
+++ b/.env
@@ -0,0 +1,7 @@
+# API签名机制测试配置
+ACCESS_KEY_ID=test-access-key-id
+SECRET_KEY=test-secret-key
+CHANNEL_ID=test-channel-id
+API_BASE_URL=https://api.example.com/v1
+# 签名算法: MD5, SHA1, SHA256, HMAC_SHA256
+SIGN_ALGORITHM=MD5
diff --git a/.gitignore b/.gitignore
index 40259e9..6d076d9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,5 @@
 # 通用忽略
 .DS_Store
-.env
 *.log
 .idea/
 .vscode/