diff --git a/.gitignore b/.gitignore
index 01f8cfa..9dd3c65 100644
--- a/.gitignore
+++ b/.gitignore
@@ -56,7 +56,7 @@ logs/
 backend/logs/
 
 # Environment
-.env
+# .env  # 已注释，允许提交
 .env.local
 
 # OS
diff --git a/backend/.env b/backend/.env
new file mode 100644
index 0000000..ef5f35b
--- /dev/null
+++ b/backend/.env
@@ -0,0 +1,10 @@
+# 环境变量配置
+
+# 数据库配置 (PostgreSQL)
+DATABASE_URL=postgresql+asyncpg://postgresql:Jchl1528@192.168.110.252:15432/hospital_performance
+
+# JWT 配置
+SECRET_KEY=test-secret-key-for-development-only-min-32-chars
+
+# 调试模式
+DEBUG=True