diff --git a/frontend/src/content/en/application/configuration.mdx b/frontend/src/content/en/application/configuration.mdx
index ab37618baf..bf21424e55 100644
--- a/frontend/src/content/en/application/configuration.mdx
+++ b/frontend/src/content/en/application/configuration.mdx
@@ -204,7 +204,7 @@ sandbox:
   idle_timeout: 600
 ```
 
-Install: `cd backend && uv add 'deerflow-harness[aio-sandbox]'`
+Install: `agent-sandbox` is already a core dependency of `deerflow-harness`, so no extra install step is needed.
 
   </Tabs.Tab>
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diff --git a/frontend/src/content/en/harness/sandbox.mdx b/frontend/src/content/en/harness/sandbox.mdx
index 6bd4625b2c..8e1b2ac756 100644
--- a/frontend/src/content/en/harness/sandbox.mdx
+++ b/frontend/src/content/en/harness/sandbox.mdx
@@ -65,7 +65,7 @@ sandbox:
     API_KEY: $MY_API_KEY
 ```
 
-Install: `cd backend && uv add 'deerflow-harness[aio-sandbox]'`
+Install: `agent-sandbox` is already a core dependency of `deerflow-harness`, so no extra install step is needed.
 
 ### E2B Cloud Sandbox
 
diff --git a/frontend/src/content/en/harness/tools.mdx b/frontend/src/content/en/harness/tools.mdx
index 4435b819a4..391a329fa9 100644
--- a/frontend/src/content/en/harness/tools.mdx
+++ b/frontend/src/content/en/harness/tools.mdx
@@ -129,7 +129,7 @@ tools:
 ```
 High-quality search with structured results. Requires a [Tavily](https://tavily.com) API key.
 
-Install: `cd backend && uv add 'deerflow-harness[tavily]'`
+No extra dependency required.
 
   </Tabs.Tab>
   <Tabs.Tab>
@@ -163,7 +163,7 @@ tools:
 ```
 Semantic search with neural retrieval. Requires an [Exa](https://exa.ai) API key.
 
-Install: `cd backend && uv add 'deerflow-harness[exa]'`
+No extra dependency required.
 
   </Tabs.Tab>
   <Tabs.Tab>
@@ -182,7 +182,7 @@ tools:
 ```
 Firecrawl-powered search and crawl. Requires a [Firecrawl](https://firecrawl.dev) API key.
 
-Install: `cd backend && uv add 'deerflow-harness[firecrawl]'`
+No extra dependency required.
 
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diff --git a/frontend/src/content/zh/harness/sandbox.mdx b/frontend/src/content/zh/harness/sandbox.mdx
index 1abc05f8e2..ab216a4343 100644
--- a/frontend/src/content/zh/harness/sandbox.mdx
+++ b/frontend/src/content/zh/harness/sandbox.mdx
@@ -57,7 +57,7 @@ sandbox:
       read_only: false
 ```
 
-安装：`cd backend && uv add 'deerflow-harness[aio-sandbox]'`
+安装：`agent-sandbox` 已经是 `deerflow-harness` 的核心依赖，无需额外安装。
 
 ### E2B 云端沙箱
 
diff --git a/frontend/src/content/zh/harness/tools.mdx b/frontend/src/content/zh/harness/tools.mdx
index a7b4ebd38a..1ab5ba6dcc 100644
--- a/frontend/src/content/zh/harness/tools.mdx
+++ b/frontend/src/content/zh/harness/tools.mdx
@@ -126,7 +126,7 @@ tools:
 ```
 高质量搜索，带结构化结果。需要 [Tavily](https://tavily.com) API Key。
 
-安装：`cd backend && uv add 'deerflow-harness[tavily]'`
+无需额外依赖。
 
   </Tabs.Tab>
   <Tabs.Tab>
@@ -160,7 +160,7 @@ tools:
 ```
 带神经检索的语义搜索。需要 [Exa](https://exa.ai) API Key。
 
-安装：`cd backend && uv add 'deerflow-harness[exa]'`
+无需额外依赖。
 
   </Tabs.Tab>
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