diff --git a/crates/df-nodes/src/human_node.rs b/crates/df-nodes/src/human_node.rs
index c2fa11e..e1b0c51 100644
--- a/crates/df-nodes/src/human_node.rs
+++ b/crates/df-nodes/src/human_node.rs
@@ -38,13 +38,16 @@ impl Node for HumanNode {
         let mut rx = ctx.event_bus.subscribe();
 
         // 2. 发送人工审批请求到事件总线
-        let _ = ctx.event_bus.send(WorkflowEvent::HumanApprovalRequest {
-            execution_id: ctx.execution_id.clone(),
-            node_id: ctx.node_id.clone(),
-            title: title.to_string(),
-            description: description.to_string(),
-            options: options.clone(),
-        });
+        // send 是 async fn(broadcast 同步发但 async 包装),必须 await 否则 Future 不 poll、Request 不进 channel(B-03b-R6)
+        let _ = ctx.event_bus
+            .send(WorkflowEvent::HumanApprovalRequest {
+                execution_id: ctx.execution_id.clone(),
+                node_id: ctx.node_id.clone(),
+                title: title.to_string(),
+                description: description.to_string(),
+                options: options.clone(),
+            })
+            .await;
 
         // 3. select! 循环：Response / 超时 / 取消
         let deadline = tokio::time::Instant::now() + Duration::from_secs(timeout_secs);
diff --git a/src/stores/project.ts b/src/stores/project.ts
index a52df9e..e6c6990 100644
--- a/src/stores/project.ts
+++ b/src/stores/project.ts
@@ -211,8 +211,9 @@ function createStore() {
       try {
         state.liveEvents.push(payload)
         // 处理人工审批请求
-        if (payload.event?.type === 'HumanApprovalRequest') {
-          state.pendingApproval = payload.event.data as typeof state.pendingApproval
+        // WorkflowEvent serde tag=type rename_all=snake_case → type='human_approval_request'，字段扁平(无 data 包装)(B-03b-R7)
+        if (payload.event?.type === 'human_approval_request') {
+          state.pendingApproval = payload.event as unknown as typeof state.pendingApproval
         }
       } catch (e) {
         console.error('处理工作流事件失败:', e, payload)