diff --git a/README.md b/README.md
index a42a6aa..6137a0d 100644
--- a/README.md
+++ b/README.md
@@ -95,7 +95,7 @@ docker run --name sqlchat --platform linux/amd64 --env OPENAI_API_KEY=xxx --env
    CREATE DATABASE sqlchat;
    ```
 
-   In `.env` file, assign the connection string to environment variable `DATABASE_URL`.
+   In `.env` file, assign the connection string to environment variable `DATABASE_URL` and `DATABASE_DIRECT_URL`. [This article](https://www.prisma.io/docs/data-platform/data-proxy/prisma-cli-with-data-proxy#set-a-direct-database-connection-url-in-your-prisma-schema) explains why we need two URLs.
 
 1. Generate schema
 
diff --git a/README.zh-CN.md b/README.zh-CN.md
index 70726cc..1910864 100644
--- a/README.zh-CN.md
+++ b/README.zh-CN.md
@@ -91,7 +91,7 @@ docker run --name sqlchat --platform linux/amd64 --env OPENAI_API_KEY=xxx --env
    CREATE DATABASE sqlchat;
    ```
 
-   在 `.env` 文件中, 将连接字符串分配给环境变量 `DATABASE_URL`。
+   在 `.env` 文件中, 将连接字符串分配给环境变量 `DATABASE_URL` 和 `DATABASE_DIRECT_URL`。至于需要两个 URL 的原因[见此](https://www.prisma.io/docs/data-platform/data-proxy/prisma-cli-with-data-proxy#set-a-direct-database-connection-url-in-your-prisma-schema).
 
 1. 生成 schema