chore: add a node pic (#3146)

Chasen-Zhang · web-flow · commit 67ad8fe3139e · 2026-04-10T00:18:10.000+08:00
diff --git a/docs/cn/guides/10-cloud/02-resources/task-flow.md b/docs/cn/guides/10-cloud/02-resources/task-flow.md
@@ -6,6 +6,8 @@ Task Flow 是 Databend Cloud 内置的工作流编排功能。你可以将多个
 
 图中每个节点是一个 **Task（任务）**，包含一条 SQL 语句及其调度配置。多个任务组合成一个 **Flow（流）**，Databend Cloud 根据依赖关系自动决定执行顺序。
 
+![Alt text](@site/static/img/documents/task-flow/node.png)
+
 ## 功能概览
 
 Task Flow 是对旧版 Task 列表 的全面升级：
diff --git a/docs/en/guides/10-cloud/02-resources/task-flow.md b/docs/en/guides/10-cloud/02-resources/task-flow.md
@@ -4,6 +4,8 @@ title: Task Flow
 
 Task Flow is Databend Cloud's built-in workflow orchestration feature. It lets you define, schedule, and monitor SQL-based data pipelines as directed acyclic graphs (DAGs). Each node in the graph is a **Task** — a SQL statement with its own schedule, dependencies, and execution settings. A **Flow** groups multiple tasks together and manages their execution order automatically.
 
+![Alt text](@site/static/img/documents/task-flow/node.png)
+
 ## Overview
 
 Task Flow replaces the legacy Task List with a more powerful model:
diff --git a/static/img/documents/task-flow/node.png b/static/img/documents/task-flow/node.png
