diff --git a/.github/workflows/basic-workflow.yml b/.github/workflows/basic-workflow.yml
index 2031350..ca47ce2 100644
--- a/.github/workflows/basic-workflow.yml
+++ b/.github/workflows/basic-workflow.yml
@@ -59,7 +59,7 @@ jobs:
         uses: oceanbase/setup-oceanbase-ce@v1
         with:
           network: "host"
-          image_tag: ${{ inputs.oceanbase_image_tag || '' }}
+          image_tag: ${{ inputs.oceanbase_image_tag || null }}
       - name: Run sample for ${{ inputs.module }}
         run: |
           cd ${{ inputs.language }}/${{ inputs.module }} || exit
diff --git a/javascript/prisma/README-CN.md b/javascript/prisma/README-CN.md
index 5fa3a30..1446351 100644
--- a/javascript/prisma/README-CN.md
+++ b/javascript/prisma/README-CN.md
@@ -33,7 +33,7 @@ npm install
 修改 `.env` 中的数据库连接串，格式如下。注意需要设置 `prefer_socket=false`，以避免和 OceanBase 建立连接时报错。
 
 ```bash
-DATABASE_URL="mysql://username:password@localhost:3306/test?prefer_socket=false"
+DATABASE_URL="mysql://root:@127.0.0.1:2881/test?prefer_socket=false&a=.psdb.cloud"
 ```
 
 执行以下命令，将 `prisma/schema.prisma` 中定义的 `User`、`Post` 和 `Profile` 模型同步到数据库中:
diff --git a/javascript/prisma/README.md b/javascript/prisma/README.md
index 7f08205..a158b07 100644
--- a/javascript/prisma/README.md
+++ b/javascript/prisma/README.md
@@ -33,7 +33,7 @@ npm install
 Modify the connection string in the `.env` file, formatted as follows. Note that `prefer_socket=false` must be set to avoid errors when connecting to OceanBase.
 
 ```bash
-DATABASE_URL="mysql://username:password@localhost:3306/test?prefer_socket=false"
+DATABASE_URL="mysql://root:@127.0.0.1:2881/test?prefer_socket=false&a=.psdb.cloud"
 ```
 
 Execute the following command to synchronize the `User`, `Post` and `Profile` data models defined in `prisma/schema.prisma` to the database: