diff --git a/server/dukang-api/.env.production.example b/server/dukang-api/.env.production.example
index 233dd22..ee56f8a 100644
--- a/server/dukang-api/.env.production.example
+++ b/server/dukang-api/.env.production.example
@@ -4,7 +4,8 @@
 
 NODE_ENV=production
 
-DATABASE_URL="mysql://dukang:CHANGE_ME@localhost:3306/dukang_haoke"
+# 生产：阿里云 RDS（密码中的 @ ! 需 URL 编码为 %40 %21）
+DATABASE_URL="mysql://dukangadmin:CHANGE_ME@rm-xxxxxxxx.mysql.rds.aliyuncs.com:3306/dukang_prod?charset=utf8mb4"
 REDIS_URL="redis://localhost:6379"
 JWT_SECRET="CHANGE_ME-strong-random-secret"
 JWT_EXPIRES_IN="7d"