diff --git a/src/api/settings/workflow/session.ts b/src/api/settings/workflow/session.ts
index fc44074..01fb2e9 100644
--- a/src/api/settings/workflow/session.ts
+++ b/src/api/settings/workflow/session.ts
@@ -24,6 +24,8 @@ export interface VOSessionInfoResult {
 	totalTokens: number;
 	totalFee: number;
 	errorMsg: string;
+	// 失败详细原因（工作流节点失败详情，如「执行工作流失败: ...节点：生成视频, 失败原因：...」），比 errorMsg 更具体
+	error?: string;
 	createdAt: string;
 }
 
diff --git a/src/views/home/components/WorkflowFormCard.vue b/src/views/home/components/WorkflowFormCard.vue
index ea224e3..fe80a65 100644
--- a/src/views/home/components/WorkflowFormCard.vue
+++ b/src/views/home/components/WorkflowFormCard.vue
@@ -171,19 +171,26 @@
 
 		<!-- 底部操作区：editing 提示 / running 执行中 / done·failed 状态标签（执行统一由 InputBar 发送按钮触发） -->
 		<div class="workflow-form-footer">
-			<div v-if="isFailed" class="form-error-text">{{ formError }}</div>
 			<!-- 执行中：节点文本进度推进（后端 node_start/node_complete 事件），无进度时兜底「执行中...」；
 			     停止统一由 InputBar 发送按钮（变停止）触发，卡片内不再提供取消入口 -->
 			<div v-if="submitting" class="executing-progress">
 				<span class="exec-spinner" />
 				<span class="exec-text">{{ progressText }}</span>
 			</div>
-			<!-- 已执行卡片（done/failed，含可编辑的最后一张）：显示状态标签，参数是否可编辑由 editable 决定 -->
-			<el-tag v-else-if="formStatus === 'done' || formStatus === 'failed'" :type="isFailed ? 'danger' : 'success'" size="small" effect="light">
-				{{ isFailed ? '执行失败' : '执行完成' }}
-			</el-tag>
+			<!-- 已执行卡片（done/failed，含可编辑的最后一张）：状态标签 + 失败原因按钮（默认收起，点击手动展开） -->
+			<div v-else-if="formStatus === 'done' || formStatus === 'failed'" class="form-status-row">
+				<el-tag :type="isFailed ? 'danger' : 'success'" size="small" effect="light">
+					{{ isFailed ? '执行失败' : '执行完成' }}
+				</el-tag>
+				<el-button v-if="isFailed && formError" text size="small" class="form-error-toggle" @click="showError = !showError">
+					{{ showError ? '收起失败原因' : '查看失败原因' }}
+					<el-icon class="error-arrow" :class="{ 'is-expanded': showError }"><ArrowDown /></el-icon>
+				</el-button>
+			</div>
 			<!-- 编辑态：无执行按钮，提示通过下方发送按钮执行 -->
 			<span v-else class="form-edit-tip">填写参数后，点击下方发送按钮执行工作流</span>
+			<!-- 失败原因详情：默认收起，点「查看失败原因」展开（error 字段可能含多行详细原因） -->
+			<div v-if="isFailed && showError && formError" class="form-error-text">{{ formError }}</div>
 		</div>
 	</div>
 </template>
@@ -268,6 +275,15 @@ const loadChargeModes = async () => {
 const isFailed = computed(() => !!props.formError);
 const isDisabled = computed(() => (props.readonly && !props.editable) || props.submitting);
 
+// 失败原因默认收起：新失败时重置为不展示，用户点「查看失败原因」才展开
+const showError = ref(false);
+watch(
+	() => props.formError,
+	() => {
+		showError.value = false;
+	}
+);
+
 // 表单收起/展开：editing（待提交/回显）默认展开；提交（running）自动收起；
 // done/failed 保持提交时状态（默认收起，用户可手动展开查看已填值）
 const collapsed = ref(false);
@@ -798,19 +814,41 @@ watch(
 /* 底部操作区 */
 .workflow-form-footer {
 	display: flex;
+	flex-wrap: wrap; /* 失败原因详情换行到状态行下方 */
 	align-items: center;
 	gap: 12px;
 	padding: 12px 20px;
 	border-top: 1px solid #f1f5f9;
 	background: #fafbfc;
 	flex-shrink: 0;
-	.form-error-text {
+	.form-status-row {
+		display: flex;
+		align-items: center;
+		gap: 8px;
 		flex: 1;
+		min-width: 0;
+	}
+	.form-error-toggle {
+		padding: 0;
+		height: auto;
+		font-size: 12px;
+		color: #ef4444;
+		.error-arrow {
+			transition: transform 0.2s;
+			&.is-expanded { transform: rotate(180deg); }
+		}
+	}
+	.form-error-text {
+		flex-basis: 100%; /* 占整行，显示在状态行下方 */
 		font-size: 12px;
 		color: #ef4444;
 		line-height: 1.5;
 		white-space: pre-wrap; /* 失败详情可能含换行（error 字段多行原因），允许换行展示 */
 		word-break: break-word;
+		background: #fef2f2;
+		border: 1px solid #fee2e2;
+		border-radius: 6px;
+		padding: 8px 12px;
 	}
 	.form-edit-tip {
 		flex: 1;
diff --git a/src/views/home/index.vue b/src/views/home/index.vue
index 79b7743..e57bfe2 100644
--- a/src/views/home/index.vue
+++ b/src/views/home/index.vue
@@ -105,7 +105,7 @@ import { applyHomeFormValues, buildOutputsFromUrls } from './utils/flowDsl';
 import type { WorkflowOutput } from './utils/flowDsl';
 import { getChatModel, listModelManage } from '/@/api/settings/modelConfigV2';
 import { connectSessionSocket, sendAgentStart, sendWorkflowStart, sendCancel } from './utils/wsExecute';
-import { parseWsMessage, getDelta, getAnswer, getRecordId, getErrorText, getNodeEvent, getToolCallName, getToolResultText, type WorkflowNodeProgress } from './utils/wsMessage';
+import { parseWsMessage, getDelta, getAnswer, getRecordId, getErrorText, getErrorDetail, getNodeEvent, getToolCallName, getToolResultText, type WorkflowNodeProgress } from './utils/wsMessage';
 import { getApiErrorMessage } from '/@/utils/request';
 import {
 	getWorkflowDetail,
@@ -1140,13 +1140,14 @@ const runWorkflow = async (
 							formMsg.recordType = 'workflow';
 						}
 					} else if (msg.type === 'error') {
-						// 失败：执行中的节点标记为失败，执行过程区展示中断位置
+						// 失败：执行中的节点标记为失败，执行过程区展示中断位置；
+						// 失败原因绑定 error 字段（节点失败详情），供卡片「查看失败原因」手动展开
 						if (formMsg.formProgress) {
 							formMsg.formProgress.nodes.forEach((n) => {
 								if (n.status === 'running') n.status = 'failed';
 							});
 						}
-						finishExec(false, getErrorText(msg));
+						finishExec(false, getErrorDetail(msg));
 					} else if (msg.type === 'flow_complete') {
 						// flow_complete 为后端新增的工作流完成信号，事件自带产出文件 URL 列表 → 直接渲染产出卡片；
 						// 以 round_start 首帧填充的 roundRecordId 作 backendId，保证实时产出可删除（与回显路径一致）
@@ -1657,8 +1658,8 @@ const loadWorkflowSessionMessages = async (sid: string, results: VOSessionInfoRe
 			if (q) msgs.push({ id: 'rq-' + r.id, content: String(q), time: r.createdAt || '', isUser: true, recordId: String(r.id), recordType: r.type });
 			if (r.resultContent) msgs.push({ id: 'ra-' + r.id, content: String(r.resultContent), time: r.createdAt || '', isUser: false, recordId: String(r.id), recordType: r.type });
 		} else if (r.type === 'workflow') {
-			// 失败判断：以 errorMsg 为准（部分失败记录 status 仍是 1，仅凭 status 会误判为成功）
-			const failed = !!r.errorMsg;
+			// 失败判断：error / errorMsg 任一有值即失败（部分失败记录 status 仍是 1，仅凭 status 会误判为成功）
+			const failed = !!(r.errorMsg || r.error);
 			// 每次执行都渲染带值表单卡片（requestParams.nodes 即该次提交的表单值快照）；
 			// form 补 id=flowId，供失败卡片「重新编辑并执行」时作为启动 flowId
 			if (Array.isArray(r.requestParams?.nodes)) {
@@ -1675,7 +1676,8 @@ const loadWorkflowSessionMessages = async (sid: string, results: VOSessionInfoRe
 						flowContent: r.requestParams,
 					},
 					formStatus: failed ? 'failed' : 'done',
-					formError: failed ? r.errorMsg || '执行失败' : '',
+					// 失败原因绑定 error 字段（节点失败详情）；errorMsg（如「用户已终止执行」）仅作兜底
+					formError: failed ? r.error || r.errorMsg || '执行失败' : '',
 				});
 			}
 			// 结果消息：成功记录直接带产出（session/get 记录自带的 resultFileUrl），不再调 execution/get
diff --git a/src/views/home/utils/wsMessage.ts b/src/views/home/utils/wsMessage.ts
index 02a3f7d..9c8d807 100644
--- a/src/views/home/utils/wsMessage.ts
+++ b/src/views/home/utils/wsMessage.ts
@@ -169,3 +169,16 @@ export function getErrorText(msg: WsStreamMessage): string {
 	}
 	return '执行失败，请重试';
 }
+
+/** error 详细原因（error 字段优先展示失败详情；message 仅在 error 缺失时兜底）——供工作流失败卡片「查看失败原因」使用 */
+export function getErrorDetail(msg: WsStreamMessage): string {
+	if (typeof msg?.error === 'string' && msg.error) return msg.error;
+	if (typeof msg?.message === 'string' && msg.message) return msg.message;
+	const d = msg?.data;
+	if (typeof d === 'string') return d;
+	if (d && typeof d === 'object') {
+		const nested = d.message ?? d.error ?? d.msg;
+		if (typeof nested === 'string' && nested) return nested;
+	}
+	return '执行失败，请重试';
+}