diff --git a/docs/zh/docs/en/leopard/bills.md b/docs/zh/docs/en/leopard/bills.md
index a7a5ed16..e582cfc4 100644
--- a/docs/zh/docs/en/leopard/bills.md
+++ b/docs/zh/docs/en/leopard/bills.md
@@ -12,9 +12,15 @@ The **Detailed Bill** records the user's consumption of purchased products in de
 Enter the **Bills** page to view the **Bill Details** currently on d.run.
 
 - Click the search box to select filtering criteria, supporting search or filtering by bill ID, order ID, resource ID, product name, and billing type.
+- Primary accounts can use the **Account** selector to filter primary-account or sub-account bills. Sub-accounts can view bills for the currently signed-in account only.
+- Bill lists display the username and User ID. Primary accounts can use the **Account** selector to select the primary account or a managed sub-account for filtering.
 - Click the date picker to query detailed bills within a specific time range.
 
-![bills](../leopard/images/bills.png){width=900px}
+Primary accounts can view bills for the primary account and its sub-accounts and filter them with the **Account** selector.
+
+![Primary account bills](images/main-account-bills-en.png){width=900px}
+
+After signing in, a sub-account sees only the bills generated by the currently signed-in sub-account. Monthly Bills are available only to primary accounts.
 
 ## Fields in the Bill List
 
@@ -28,5 +34,10 @@ Enter the **Bills** page to view the **Bill Details** currently on d.run.
 | Billing Type | The billing model for the resource, such as annual/monthly subscription or pay-as-you-go. |
 | Usage | The actual usage of the resource, displayed in the unit of resource usage, such as hours, GB, etc. |
 | Order ID | The order ID associated with this bill, facilitating tracing back to the specific source of consumption. |
+| Username / User ID | The account name and unique identifier that initiated the consumption. |
 | Order Price | The cost of the resource before any discounts or promotions are applied. |
 | Amount Due | The actual cash portion paid by the user, the amount payable after discounts. |
+
+## Monthly Bills
+
+Monthly Bills are available only to primary accounts. Monthly bill details support statistics by region, product, and account, including the consumption amounts of each sub-account.
diff --git a/docs/zh/docs/en/leopard/images/main-account-bills-en.png b/docs/zh/docs/en/leopard/images/main-account-bills-en.png
new file mode 100644
index 00000000..0e3d4129
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diff --git a/docs/zh/docs/en/leopard/images/main-account-orders-en.png b/docs/zh/docs/en/leopard/images/main-account-orders-en.png
new file mode 100644
index 00000000..29789dc8
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diff --git a/docs/zh/docs/en/leopard/images/main-account-transactions-en.png b/docs/zh/docs/en/leopard/images/main-account-transactions-en.png
new file mode 100644
index 00000000..6ad77243
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diff --git a/docs/zh/docs/en/leopard/images/main-account-wallet-en.png b/docs/zh/docs/en/leopard/images/main-account-wallet-en.png
new file mode 100644
index 00000000..0001c624
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diff --git a/docs/zh/docs/en/leopard/images/sub-account-orders-en.png b/docs/zh/docs/en/leopard/images/sub-account-orders-en.png
new file mode 100644
index 00000000..72cc89f6
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diff --git a/docs/zh/docs/en/leopard/images/sub-account-transactions-en.png b/docs/zh/docs/en/leopard/images/sub-account-transactions-en.png
new file mode 100644
index 00000000..1d7654fb
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diff --git a/docs/zh/docs/en/leopard/images/sub-account-wallet-en.png b/docs/zh/docs/en/leopard/images/sub-account-wallet-en.png
new file mode 100644
index 00000000..fe32a34d
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diff --git a/docs/zh/docs/en/leopard/index.md b/docs/zh/docs/en/leopard/index.md
index ec7a726e..4f4c33c3 100644
--- a/docs/zh/docs/en/leopard/index.md
+++ b/docs/zh/docs/en/leopard/index.md
@@ -7,6 +7,14 @@ hide:
 
 The expense center serves as a one-stop financial platform, providing functions such as top-up, expense viewing, bill and voucher details. Users can monitor the consumption of various resources in real-time, clearly understand bill details, usage, and payment status, helping enterprises optimize resource allocation, control costs, and improve financial transparency.
 
+After signing in, a primary account can use the Wallet to top up and view balance and voucher information.
+
+![Primary account wallet](images/main-account-wallet-en.png){width=900px}
+
+If the primary account has not set a quota for the sub-account, the sub-account can view the balance shared with the primary account after signing in, but cannot top up or manage the wallet.
+
+![Sub-account wallet](images/sub-account-wallet-en.png){width=900px}
+
 You can top-up your account online in the **Wallet** , and the top-up amount can be used to purchase various products on the platform.
 
 !!! note
diff --git a/docs/zh/docs/en/leopard/orders.md b/docs/zh/docs/en/leopard/orders.md
index d5445679..046d77d1 100644
--- a/docs/zh/docs/en/leopard/orders.md
+++ b/docs/zh/docs/en/leopard/orders.md
@@ -11,10 +11,18 @@ hide:
 
 1. In the **Orders**, you can view detailed records of the user's purchases or resource operations.
 
-    Filtering: Click the search box to select filtering criteria, supporting search or filtering by order ID, resource ID, type, product name, and status.
+    Filtering: Click the search box to select filtering criteria, supporting search or filtering by order ID, resource ID, type, product name, and status. Primary accounts can also use the **Account** selector to select primary-account or sub-account orders. Sub-accounts can view orders for the currently signed-in account only.
 
     ![orderlist](../leopard/images/orderlist.png){width=900px}
 
+    Primary accounts can view orders for the primary account and its sub-accounts and filter them with the **Account** selector.
+
+    ![Primary account orders](images/main-account-orders-en.png){width=900px}
+
+    After signing in, a sub-account sees only the orders created or operated by that sub-account. The list displays the username and User ID.
+
+    ![Sub-account orders](images/sub-account-orders-en.png){width=900px}
+
     !!! note
 
         Pay-as-you-go resources are billed in real-time based on actual usage, rather than having a specific amount determined at the time the order is generated.
@@ -33,6 +41,7 @@ hide:
 | Order Type | The category of the order, such as new purchase, renewal, upgrade, or downgrade. |
 | Product Name | The name of the product involved in the order, such as container instances, model services, etc. |
 | Resource Name/ID | The specific resource identifier associated with the order, such as container instance name or unique resource ID. |
+| Username / User ID | The account name and unique identifier that created or operated the order. |
 | Status | The current processing progress or result status of the order, such as paid, refunded, or canceled. |
 | Order Price | The total amount of the order, indicating the cost before any discounts or promotions are applied. |
 | Amount Due | The actual amount the user needs to pay. |
diff --git a/docs/zh/docs/en/leopard/transactions.md b/docs/zh/docs/en/leopard/transactions.md
index 9b2315d5..99a0604e 100644
--- a/docs/zh/docs/en/leopard/transactions.md
+++ b/docs/zh/docs/en/leopard/transactions.md
@@ -12,10 +12,20 @@ hide:
 On the Transactions page, you can view the detailed changes in the cash balance.
 
 - Click the search box to select filtering criteria, supporting search or filtering by transaction ID, associated bill ID, income/expense, transaction type, and transaction channel.
+- Primary accounts can use the **Account** selector to filter primary-account or sub-account transactions. Sub-accounts can view transactions for the currently signed-in account only.
+- The **Account** selector includes the primary account and all of its managed sub-accounts.
 - Click the date picker to query detailed bills within a specific time range.
 
 ![transaction.png](../leopard/images/transaction.png){width=900px}
 
+Primary accounts can view transactions for the primary account and its sub-accounts and filter them with the **Account** selector.
+
+![Primary account transactions](images/main-account-transactions-en.png){width=900px}
+
+After signing in, a sub-account sees only its own transaction records. The list displays the username and User ID.
+
+![Sub-account transactions](images/sub-account-transactions-en.png){width=900px}
+
 ## Detailed Fields in Transactions
 
 | **Fields** | **Description** |
@@ -26,4 +36,5 @@ On the Transactions page, you can view the detailed changes in the cash balance.
 | Transaction Type | The type of transaction, categorized as: recharge, consumption. |
 | Transaction Channel | The channel of the transaction, categorized as: Alipay, balance. |
 | Bill ID | The bill number associated with the transaction; if none, it displays -. |
+| Username / User ID | The account name and unique identifier that initiated the transaction. |
 | Balance | The remaining cash balance after this transaction occurs. |
diff --git a/docs/zh/docs/en/manage/images/sub-account-audit-en.png b/docs/zh/docs/en/manage/images/sub-account-audit-en.png
new file mode 100644
index 00000000..b6f41392
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diff --git a/docs/zh/docs/en/manage/personal/images/lang02.png b/docs/zh/docs/en/manage/personal/images/lang02.png
index 6c2e3c0d..79196460 100644
Binary files a/docs/zh/docs/en/manage/personal/images/lang02.png and b/docs/zh/docs/en/manage/personal/images/lang02.png differ
diff --git a/docs/zh/docs/en/manage/personal/language.md b/docs/zh/docs/en/manage/personal/language.md
index 653c2a56..4de9e645 100644
--- a/docs/zh/docs/en/manage/personal/language.md
+++ b/docs/zh/docs/en/manage/personal/language.md
@@ -5,15 +5,15 @@ hide:
 
 # Language Settings
 
-This section explains how to set the interface language. Currently, it supports Chinese and English.
+This section explains how to set the interface language. Currently, it supports Simplified Chinese, English, and Japanese.
 
-Language settings serve as the entry point for the platform's multilingual services, with Chinese displayed by default. Users can choose English or switch the platform language based on automatic detection of their browser language preferences as needed. Each user's multilingual service is independent, and switching will not affect other users.
+Language settings serve as the entry point for the platform's multilingual services, with Simplified Chinese displayed by default. Users can choose another language or switch the platform language based on automatic detection of their browser language preferences as needed. Each user's multilingual service is independent, and switching will not affect other users.
 
-The platform provides three options for switching languages: Chinese, English, and automatic detection of your browser's language preferences.
+The platform provides four language options: automatic detection of your browser's language preferences, Simplified Chinese, English, and Japanese.
 
 The steps to operate are as follows:
 
-1. Log in to d.run using your username/password, got to __Personal Center__ from the top right corner.
+1. Log in to d.run using your username/password, go to __Personal Center__ from the top right corner.
 
     ![Global Management](./images/lang01.png)
 
diff --git a/docs/zh/docs/en/manage/sub-account.md b/docs/zh/docs/en/manage/sub-account.md
index 1715e4e9..0073c91a 100644
--- a/docs/zh/docs/en/manage/sub-account.md
+++ b/docs/zh/docs/en/manage/sub-account.md
@@ -42,6 +42,21 @@ The primary account can perform the following operations on sub-accounts:
 - Supports expense statistics and analysis by sub-account  
 - Bills and transaction details show specific consumption per sub-account  
 
+## Expense Center Permissions
+
+After the primary account enables sub-accounts, the visibility and data scope in the Expense Center are as follows:
+
+| Feature | Primary account | Sub-account |
+| --- | --- | --- |
+| Wallet | Visible; manages the primary account wallet | Visible when the primary account has not set a quota for the sub-account; can view the balance shared with the primary account |
+| Transactions | Can view and filter primary-account and sub-account records by account | Can view records for the currently signed-in account only |
+| Orders | Can view and filter primary-account and sub-account orders by account | Can view orders for the currently signed-in account only |
+| Bill Details | Can view and filter primary-account and sub-account bills by account | Can view bills for the currently signed-in account only |
+| Monthly Bills | Can view monthly bills and account-level statistics | Not visible |
+| Vouchers | Visible; manages primary-account vouchers | Not visible |
+
+Transactions, order lists, and bill lists display the username and User ID. Primary accounts can use the **Account** dropdown to select the primary account or any managed sub-account for filtering.
+
 ## Naming Rules
 
 ### Username Format
@@ -76,3 +91,38 @@ Sub-accounts support full security management features:
 
 - **Access Keys (AK/SK)**: Generate and manage API access keys for sub-accounts  
 - **SSH Public Key**: Configure SSH public keys to enable password-free access to server resources  
+
+## Operation Audits
+
+Key operations performed by primary and sub-accounts are recorded in Operation Audits. This helps track account operations, resource changes, and abnormal activities.
+
+### Accessing Operation Audits
+
+1. Log in to the d.run platform.
+2. Click the profile icon in the upper-right corner and open **Subaccount**.
+3. Click **Audits** in the left navigation panel.
+
+![Sub-account operation audits](images/sub-account-audit-en.png)
+
+### Query and Filter
+
+The Operation Audits page supports the following filters:
+
+- **Account**: Select the primary account or a sub-account to view.
+- **Module**: Filter records by product module, including Compute Cloud, LLM Studio, Global Management, and Billing Center.
+- **Time range**: Filter audit records by a specified time range.
+
+Audit records include the following fields:
+
+| Field | Description |
+| --- | --- |
+| Timestamp | The time when the operation occurred. |
+| Resource Type | The type of the affected resource, such as `Transaction`, `ModelServing`, `ContainerInstance`, or `User`. |
+| Name | The name or identifier of the affected resource. |
+| Module | The product module where the operation occurred. |
+| Behavior | The operation performed, such as `Create`, `Login`, or `Export`. |
+| Operator | The account that performed the operation. |
+| Source IP | The source IP address of the request. |
+| Status | The result of the operation, such as Success or Failure. |
+
+Audit logs are retained for 365 days by default. Logs older than the retention period are automatically deleted.
diff --git a/docs/zh/docs/en/zestu/images/instance-update-entry-en.png b/docs/zh/docs/en/zestu/images/instance-update-entry-en.png
new file mode 100644
index 00000000..2397f229
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diff --git a/docs/zh/docs/en/zestu/images/instance-update-sku-en.png b/docs/zh/docs/en/zestu/images/instance-update-sku-en.png
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diff --git a/docs/zh/docs/en/zestu/instance-on-off.md b/docs/zh/docs/en/zestu/instance-on-off.md
index d032ff67..23f5d60f 100644
--- a/docs/zh/docs/en/zestu/instance-on-off.md
+++ b/docs/zh/docs/en/zestu/instance-on-off.md
@@ -25,6 +25,27 @@ The steps are as follows:
     - GPU resources will not be reserved after power off. If there are insufficient
       available GPU resources of the required model when powering back on, you will need to wait.
 
+## Update Configuration (Scale Up or Down)
+
+After a container instance is powered off, you can select a new SKU through **Update** to scale the instance up or down.
+
+Prerequisite: The container instance has been created and is in the **Stopped** state.
+
+The steps are as follows:
+
+1. Go to **Compute Cloud** -> **Container Instances**, find an instance in the **Stopped** state, click the **┇** on the right side of the list, and choose **Update** from the dropdown list.
+
+    ![Update configuration entry](./images/instance-update-entry-en.png)
+
+2. On the **Update** page, select a new SKU, confirm the GPU type, GPU memory, GPU count, compute resources, disk configuration, and price, then click **OK** to complete the update.
+
+    ![Select a new SKU](./images/instance-update-sku-en.png)
+
+!!! note
+
+    - Configuration updates are supported only when the container instance is powered off.
+    - After the scale-up or scale-down is complete, the container instance remains powered off. Manually choose **Start Instance** to power it on.
+
 ## Power On
 
 Prerequisites: A container instance has been created and is currently powered off.
diff --git a/docs/zh/docs/leopard/bills.md b/docs/zh/docs/leopard/bills.md
index 6ff4798c..38cae459 100644
--- a/docs/zh/docs/leopard/bills.md
+++ b/docs/zh/docs/leopard/bills.md
@@ -12,7 +12,11 @@
 
 **账单明细** 支持用户查看平台内所有资源的逐笔计费记录，提供账单号、产品名称、计费方式、订单号、原价等信息。用户可通过账号范围、表格字段、时间范围来进行精确查询，并支持按条件导出账单明细，便于财务对账与成本管理。
 
-![bills](images/details-bills-table.png)
+主账号可在账单明细中查看主账号及子账号的账单，并通过 **账号** 下拉框进行筛选。
+
+![主账号账单明细](images/main-account-bills-zh.png){width=900px}
+
+子账号登录后，账单明细仅展示当前登录子账号产生的账单。月账单仅主账号可见和使用。
 
 ### 字段说明
 
@@ -38,7 +42,7 @@
 
 - 按账号范围筛选：点击 **账号** 下拉选择框，支持选择`全部`、`主账号`、`子账号A`、`子账号B`等进行过滤。
 
-- 按列表字段筛选：账单支持按`账单号`、`订单号`、`资源 ID`、`产品名称`、`计费方式`进行搜索。
+- 按列表字段筛选：账单支持按`账单号`、`订单号`、`资源 ID`、`产品名称`和`计费方式`进行搜索。主账号可以通过 **账号** 下拉框选择主账号或子账号账单，子账号仅可查看当前登录账号的账单。
 
 - 按时间范围筛选：点击时间选择器，可查询指定时间范围内的账单记录。
 
@@ -52,7 +56,7 @@
 
 ## 月账单
 
-月账单提供按月汇总的消费统计信息，并支持按区域、按产品、按账号等维度进行拆分和导出，帮助用户从账期角度了解费用结构。
+月账单仅主账号可见和使用，提供按月汇总的消费统计信息，并支持按区域、按产品、按账号等维度进行拆分和导出，帮助用户从账期角度了解费用结构。
 
 ![bills](images/monthly-bills-table.png)
 
@@ -80,6 +84,8 @@
 
 - 按账号统计：按账号展示费用分布。字段包括`账期`、`用户名/ID`、`原价`、`代金券抵扣`、`现金支付`。
 
+月账单及其详情仅对主账号开放。按账号统计时，可查看各子账号的消费金额，统计结果应与对应账号在该账期内的账单金额一致。
+
 ### 导出月账单
 
 - 点击页面右上角的 **导出** 按钮，支持通过`时间范围`筛选数据。
@@ -91,4 +97,4 @@
 ## 更多信息
 
 - 了解[计费规则](./pricing-rules.md)
-- 了解[退费说明](./refunds.md)
\ No newline at end of file
+- 了解[退费说明](./refunds.md)
diff --git a/docs/zh/docs/leopard/images/main-account-bills-zh.png b/docs/zh/docs/leopard/images/main-account-bills-zh.png
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new file mode 100644
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diff --git a/docs/zh/docs/leopard/images/sub-account-wallet-zh.png b/docs/zh/docs/leopard/images/sub-account-wallet-zh.png
new file mode 100644
index 00000000..d501f191
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diff --git a/docs/zh/docs/leopard/index.md b/docs/zh/docs/leopard/index.md
index 510f0139..10234535 100644
--- a/docs/zh/docs/leopard/index.md
+++ b/docs/zh/docs/leopard/index.md
@@ -7,6 +7,14 @@ hide:
 
 钱包是用户在 d.run 平台的资金账户，用户可进行充值、查看现金余额、查看代金券等操作。钱包的余额可直接用于购买平台服务，同时，用户可在[收支明细](./transactions.md)中按需查看充值与支付记录，实现清晰、可追溯的资金使用。
 
+主账号登录后可以进入钱包页面，进行充值并查看余额、代金券等信息。
+
+![主账号钱包](images/main-account-wallet-zh.png){width=900px}
+
+在主账号未为子账号设置限额的情况下，子账号登录后可以进入钱包页面，查看与主账号共享的余额。
+
+![子账号钱包](images/sub-account-wallet-zh.png){width=900px}
+
 ## 充值方式
 
 当前充值方式支持 **线上充值** 与 **线下汇款** 。
diff --git a/docs/zh/docs/leopard/orders.md b/docs/zh/docs/leopard/orders.md
index 78b57aa8..e736ad30 100644
--- a/docs/zh/docs/leopard/orders.md
+++ b/docs/zh/docs/leopard/orders.md
@@ -13,10 +13,18 @@ hide:
 
 1. 在 **订单列表** 中可以查看用户购买或操作资源时的详细记录。
 
-    过滤：点击搜索框后选择过滤条件，支持通过“订单号”、“资源 ID”、“类型”、“产品名称”、“状态”进行搜索或过滤。
+    过滤：点击搜索框后选择过滤条件，支持通过“订单号”、“资源 ID”、“类型”、“产品名称”和“状态”进行搜索或过滤。主账号还可以通过 **账号** 下拉框选择主账号或子账号订单；子账号仅可查看当前登录账号的订单。
 
     ![orderlist](../leopard/images/orderlist.png){width=900px}
 
+    主账号可在订单管理中查看主账号及子账号的订单，并通过 **账号** 下拉框进行筛选。
+
+    ![主账号订单管理](images/main-account-orders-zh.png){width=900px}
+
+    子账号登录后，订单列表仅展示当前子账号创建或操作的订单，并显示用户名和 User ID。
+
+    ![子账号订单列表](images/sub-account-orders-zh.png){width=900px}
+
     !!! note
 
         按量付费的资源是根据实际使用情况实时计费的，而不是在订单生成时确定具体金额，
@@ -33,6 +41,7 @@ hide:
     | 类型 | 订单的类别，如新购、续费、升级或降配等操作类型。 |
     | 产品名称 | 订单涉及的产品名称，如容器实例、模型服务等。 |
     | 资源名称/ID | 订单关联的具体资源标识，如容器实例名或资源唯一 ID。 |
+    | 用户名 / User ID | 创建或操作该订单的账号名称及唯一标识。 |
     | 状态 | 订单当前的处理进度或结果状态，如已支付、已退款、已取消等。 |
     | 订单金额 | 订单的总金额，表示未扣除优惠或折扣前的费用。 |
     | 应付金额 | 用户实际需要支付的金额。 |
diff --git a/docs/zh/docs/leopard/transactions.md b/docs/zh/docs/leopard/transactions.md
index 32009f2a..5b962e89 100644
--- a/docs/zh/docs/leopard/transactions.md
+++ b/docs/zh/docs/leopard/transactions.md
@@ -14,10 +14,20 @@ hide:
 在收支明细页，可以查看现金余额的明细变动。
 
 - 点击搜索框后选择过滤条件，支持通过“流水号”、“关联[账单](./bills.md)号”、“收支类型”、“交易类型”、“交易渠道”进行搜索或过滤。
+- 主账号可以通过 **账号** 下拉框筛选主账号或子账号的收支记录；子账号仅可查看当前登录账号的记录。
+- **账号** 下拉框包含主账号及其管理的所有子账号，可直接选择账号进行筛选。
 - 点击时间选择器可查询具体时间范围内的明细。
 
 ![transaction.png](../leopard/images/transaction.png){width=900px}
 
+主账号可在收支明细中查看主账号及子账号的收支记录，并通过 **账号** 下拉框进行筛选。
+
+![主账号收支明细](images/main-account-transactions-zh.png){width=900px}
+
+子账号登录后，收支明细仅展示当前子账号的交易记录，并显示用户名和 User ID。
+
+![子账号收支明细](images/sub-account-transactions-zh.png){width=900px}
+
 | **字段** | **说明** |
 | --- | --- |
 | 流水号 | 收支明细中单次交易的唯一编号。 |
@@ -26,4 +36,5 @@ hide:
 | 交易类型 | 交易的类型，分为：充值、消费。 |
 | 交易渠道 | 交易的渠道，分为：支付宝、余额。 |
 | 关联账单号 | 本次交易所关联的账单号，若无则显示“-”。 |
+| 用户名 / User ID | 发起该笔交易的账号名称及唯一标识。 |
 | 变动后余额 | 发生本次交易后现金余额剩余的金额。 |
diff --git a/docs/zh/docs/manage/images/sub-account-audit-zh.png b/docs/zh/docs/manage/images/sub-account-audit-zh.png
new file mode 100644
index 00000000..3d17897a
Binary files /dev/null and b/docs/zh/docs/manage/images/sub-account-audit-zh.png differ
diff --git a/docs/zh/docs/manage/personal/images/lang02.png b/docs/zh/docs/manage/personal/images/lang02.png
index 2069b8dc..d263343a 100644
Binary files a/docs/zh/docs/manage/personal/images/lang02.png and b/docs/zh/docs/manage/personal/images/lang02.png differ
diff --git a/docs/zh/docs/manage/personal/language.md b/docs/zh/docs/manage/personal/language.md
index 16794e85..426a58fe 100644
--- a/docs/zh/docs/manage/personal/language.md
+++ b/docs/zh/docs/manage/personal/language.md
@@ -5,12 +5,12 @@ hide:
 
 # 语言设置
 
-本节说明如何设置界面语言。目前支持中文、English 两个语言。
+本节说明如何设置界面语言。目前支持简体中文、English 和日本語三种语言。
 
-语言设置是平台提供多语言服务的入口，d.run 默认显示为中文，用户可根据需要选择英语或自动检测浏览器语言首选项的方式来切换语言。
+语言设置是平台提供多语言服务的入口，d.run 默认显示为简体中文，用户可根据需要选择其他语言或自动检测浏览器语言首选项的方式来切换语言。
 每个用户的多语言服务是相互独立的，切换后不会影响其他用户。
 
-平台提供三种切换语言方式：中文、English、自动检测您的浏览器语言首选项。
+平台提供四种语言选项：自动检测您的浏览器语言首选项、简体中文、English 和日本語。
 
 操作步骤如下。
 
diff --git a/docs/zh/docs/manage/sub-account.md b/docs/zh/docs/manage/sub-account.md
index 2fb63452..b3963ca6 100644
--- a/docs/zh/docs/manage/sub-account.md
+++ b/docs/zh/docs/manage/sub-account.md
@@ -44,6 +44,21 @@
 - 支持按子账号维度进行费用统计和分析
 - 可在账单和交易明细中查看各子账号的具体消费情况
 
+## 费用中心权限
+
+主账号开启子账号功能后，主账号和子账号在费用中心中的可见范围如下：
+
+| 功能 | 主账号 | 子账号 |
+| --- | --- | --- |
+| 钱包 | 可见，可管理主账号钱包 | 主账号未设置子账号限额时可见，可查看与主账号共享的余额 |
+| 收支明细 | 可查看并按账号筛选主账号及子账号记录 | 仅可查看当前登录账号的记录 |
+| 订单管理 | 可查看并按账号筛选主账号及子账号订单 | 仅可查看当前登录账号的订单 |
+| 账单明细 | 可查看并按账号筛选主账号及子账号账单 | 仅可查看当前登录账号的账单 |
+| 月账单 | 可查看月账单及按账号统计的详情 | 不可见 |
+| 代金券 | 可见并管理主账号代金券 | 不可见 |
+
+收支明细、订单列表和账单列表均展示用户名及 User ID。主账号可以通过 **账号** 下拉框选择主账号或子账号进行筛选。
+
 ![子账号管理界面](images/sub-account-02.png)
 
 ## 命名规范
@@ -80,3 +95,38 @@
 
 - **访问密钥（AK/SK）**：为子账号生成和管理 API 访问密钥
 - **SSH 公钥**：配置 SSH 公钥实现免密访问服务器资源
+
+## 操作审计
+
+主账号和子账号的关键操作会记录在操作审计中，便于追踪账号操作、资源变更和异常行为。
+
+### 访问操作审计
+
+1. 登录 d.run 平台。
+2. 点击右上角头像，在下拉菜单中进入 **子账号**。
+3. 在左侧导航栏点击 **操作审计**。
+
+![子账号操作审计](images/sub-account-audit-zh.png)
+
+### 查询与筛选
+
+操作审计页面支持按以下条件查询：
+
+- **账号**：选择需要查看的主账号或子账号。
+- **产品模块**：按产品模块筛选操作记录，包括算力云、大模型服务平台、全局管理和费用中心。
+- **发生时间**：按时间范围筛选审计记录。
+
+审计记录包含以下字段：
+
+| 字段 | 说明 |
+| --- | --- |
+| 发生时间 | 操作发生的时间。 |
+| 资源类型 | 被操作资源的类型，例如 `Transaction`、`ModelServing`、`ContainerInstance` 和 `User`。 |
+| 资源名称 | 被操作资源的名称或标识。 |
+| 产品模块 | 操作所属的产品模块。 |
+| 操作行为 | 执行的操作，例如 `Create`、`Login` 或 `Export`。 |
+| 操作人 | 执行操作的账号。 |
+| 来源 IP | 发起操作的来源 IP 地址。 |
+| 状态 | 操作执行结果，例如成功或失败。 |
+
+审计日志默认保留 365 天，超过保留期限的日志将自动删除。
diff --git a/docs/zh/docs/zestu/images/instance-update-entry-zh.png b/docs/zh/docs/zestu/images/instance-update-entry-zh.png
new file mode 100644
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diff --git a/docs/zh/docs/zestu/images/instance-update-sku-zh.png b/docs/zh/docs/zestu/images/instance-update-sku-zh.png
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diff --git a/docs/zh/docs/zestu/instance-on-off.md b/docs/zh/docs/zestu/instance-on-off.md
index 7a7f3fa8..006fa8bd 100644
--- a/docs/zh/docs/zestu/instance-on-off.md
+++ b/docs/zh/docs/zestu/instance-on-off.md
@@ -29,6 +29,27 @@
     - 关机后 GPU 资源不会预留，如果下次开机时该型号空闲的 GPU 资源不足则需要等待。
     - 若镜像空间配额不足可能会导致系统盘保存失败，请确保镜像空间配额充足。
 
+## 更换配置（升降配）
+
+容器实例关机后，可以通过 **更换配置** 选择新的 SKU，执行升配或降配操作。
+
+前提条件：已创建容器实例，且容器实例处于 **已关机** 状态。
+
+操作步骤如下：
+
+1. 进入 **算力云** -> **容器实例**，找到状态为 **已关机** 的实例，点击列表右侧的 **┇**，在下拉列表中选择 **更换配置**。
+
+    ![更换配置入口](./images/instance-update-entry-zh.png)
+
+2. 在 **更换配置** 页面选择新的 SKU，确认 GPU 类型、显存、数量、计算资源、磁盘配置及价格等信息后，点击 **确定** 完成升降配。
+
+    ![选择新的 SKU](./images/instance-update-sku-zh.png)
+
+!!! note
+
+    - 更换配置仅支持处于关机状态的容器实例。
+    - 升降配完成后，容器实例不会自动开机，需要手动选择 **启动实例**。
+
 ## 开机
 
 前提条件：已创建容器实例，且容器实例处于关机中。