diff --git a/docs/users/features/commands.md b/docs/users/features/commands.md
index dde507293..ce26c2962 100644
--- a/docs/users/features/commands.md
+++ b/docs/users/features/commands.md
@@ -34,6 +34,7 @@ Commands for adjusting interface appearance and work environment.
 | ------------ | ---------------------------------------- | ----------------------------- |
 | `/clear`     | Clear terminal screen content            | `/clear` (shortcut: `Ctrl+L`) |
 | `/context`   | Show context window usage breakdown      | `/context`                    |
+| → `detail`   | Show per-item context usage breakdown    | `/context detail`             |
 | `/theme`     | Change Qwen Code visual theme            | `/theme`                      |
 | `/vim`       | Turn input area Vim editing mode on/off  | `/vim`                        |
 | `/directory` | Manage multi-directory support workspace | `/dir add ./src,./tests`      |
diff --git a/packages/cli/src/i18n/locales/zh.js b/packages/cli/src/i18n/locales/zh.js
index c3e8b627a..1c5e96f6e 100644
--- a/packages/cli/src/i18n/locales/zh.js
+++ b/packages/cli/src/i18n/locales/zh.js
@@ -1715,6 +1715,8 @@ export default {
   'Show context window usage breakdown.': '显示上下文窗口使用情况分解。',
   'Run /context detail for per-item breakdown.':
     '运行 /context detail 查看详细分解。',
+  'Show context window usage breakdown. Use "/context detail" for per-item breakdown.':
+    '显示上下文窗口使用情况分解。输入 "/context detail" 查看详细分解。',
   'body loaded': '内容已加载',
   memory: '记忆',
   '{{region}} configuration updated successfully.': '{{region}} 配置更新成功。',
diff --git a/packages/cli/src/ui/commands/contextCommand.ts b/packages/cli/src/ui/commands/contextCommand.ts
index c693606a9..540eb0941 100644
--- a/packages/cli/src/ui/commands/contextCommand.ts
+++ b/packages/cli/src/ui/commands/contextCommand.ts
@@ -373,4 +373,17 @@ export const contextCommand: SlashCommand = {
 
     context.ui.addItem(contextUsageItem, Date.now());
   },
+  subCommands: [
+    {
+      name: 'detail',
+      get description() {
+        return t('Show per-item context usage breakdown.');
+      },
+      kind: CommandKind.BUILT_IN,
+      action: async (context: CommandContext) => {
+        // Delegate to main action with 'detail' arg to show detailed view
+        await contextCommand.action!(context, 'detail');
+      },
+    },
+  ],
 };