diff --git a/dist/index.d.ts b/dist/index.d.ts
index ee2d980..4a553a0 100644
--- a/dist/index.d.ts
+++ b/dist/index.d.ts
@@ -1,3 +1,4 @@
+export declare function lastAssistantText(messages: unknown): string | undefined;
 declare const plugin: {
     id: string;
     name: string;
diff --git a/dist/index.js b/dist/index.js
index 295a470..0931661 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -33,6 +33,37 @@ function resolveRunScope(ctx) {
 function stringParam(value) {
     return typeof value === "string" ? value.trim() : "";
 }
+export function lastAssistantText(messages) {
+    if (!Array.isArray(messages))
+        return undefined;
+    for (let index = messages.length - 1; index >= 0; index -= 1) {
+        const message = messages[index];
+        if (!message || typeof message !== "object")
+            continue;
+        const record = message;
+        if (stringParam(record.role).toLowerCase() !== "assistant")
+            continue;
+        const content = record.content;
+        if (typeof content === "string" && content.trim())
+            return content.trim();
+        if (!Array.isArray(content))
+            continue;
+        const text = content
+            .map((block) => {
+            if (!block || typeof block !== "object")
+                return "";
+            const item = block;
+            const type = stringParam(item.type).toLowerCase();
+            return type === "text" || type === "output_text" ? stringParam(item.text) : "";
+        })
+            .filter(Boolean)
+            .join("\n")
+            .trim();
+        if (text)
+            return text;
+    }
+    return undefined;
+}
 const plugin = definePluginEntry({
     id: "openclaw-multi-session-plugins",
     name: "openclaw-multi-session-plugins",
@@ -77,6 +108,7 @@ function register(api) {
                 openclawSessionKey,
                 runId,
                 success: event?.success === true,
+                output: lastAssistantText(event?.messages),
                 error: event?.error,
             });
         }
diff --git a/dist/src/taskState.d.ts b/dist/src/taskState.d.ts
index 5c37161..92d5b4d 100644
--- a/dist/src/taskState.d.ts
+++ b/dist/src/taskState.d.ts
@@ -36,6 +36,7 @@ export type XWorkmateRecordedTaskRunV1 = {
     startedAt: string;
     updatedAt: string;
     completedAt?: string;
+    output?: string;
     error?: string;
 };
 export declare function registerXWorkmateSessionExtension(api: OpenClawPluginApi): void;
@@ -55,6 +56,7 @@ export declare function recordXWorkmateTaskRunTerminal(input: {
     openclawSessionKey: string;
     runId: string;
     success: boolean;
+    output?: unknown;
     error?: unknown;
 }): Promise<XWorkmateRecordedTaskRunV1>;
 export declare function getXWorkmateTaskSnapshot(input: {
diff --git a/dist/src/taskState.js b/dist/src/taskState.js
index e6f4c2a..dc7877a 100644
--- a/dist/src/taskState.js
+++ b/dist/src/taskState.js
@@ -51,6 +51,7 @@ export async function recordXWorkmateTaskRunTerminal(input) {
         success: input.success,
         updatedAt: now,
         completedAt: now,
+        output: sanitizeTaskRunOutput(input.output),
         error: sanitizeTaskRunError(input.error),
     });
 }
@@ -194,8 +195,10 @@ export async function getXWorkmateTaskSnapshot(input) {
                     completedAt: recordedRun.completedAt,
                     error: recordedRun.error,
                 },
+                output: recordedRun.output,
+                resultSummary: recordedRun.output,
                 error: recordedRun.error,
-                message: recordedRun.error,
+                message: recordedRun.output ?? recordedRun.error,
                 expectedArtifactDirs: mapping?.expectedArtifactDirs ?? [],
                 artifactScope: exported?.artifactScope,
                 remoteWorkingDirectory: exported?.remoteWorkingDirectory,
@@ -295,6 +298,7 @@ async function upsertXWorkmateTaskRun(api, input) {
                 startedAt: existing?.startedAt ?? input.startedAt ?? input.updatedAt,
                 updatedAt: input.updatedAt,
                 completedAt: input.completedAt,
+                output: input.output,
                 error: input.error,
             });
             runs[input.runId] = recorded;
@@ -347,11 +351,19 @@ function readTaskRunsFromEntry(entry) {
             startedAt: optionalString(raw?.startedAt) || new Date(0).toISOString(),
             updatedAt: optionalString(raw?.updatedAt) || new Date(0).toISOString(),
             completedAt: optionalString(raw?.completedAt),
+            output: optionalString(raw?.output),
             error: optionalString(raw?.error),
         });
     }
     return result;
 }
+function sanitizeTaskRunOutput(value) {
+    const raw = optionalString(value);
+    if (!raw) {
+        return undefined;
+    }
+    return raw.slice(0, 16 * 1024);
+}
 function sanitizeTaskRunError(value) {
     const raw = optionalString(value);
     if (!raw) {
diff --git a/index.test.ts b/index.test.ts
index 4eb3a9f..8503664 100644
--- a/index.test.ts
+++ b/index.test.ts
@@ -3,7 +3,7 @@ import os from "node:os";
 import path from "node:path";
 import type { OpenClawPluginApi } from "openclaw/plugin-sdk";
 import { describe, expect, it } from "vitest";
-import plugin from "./index.js";
+import plugin, { lastAssistantText } from "./index.js";
 import { prepareXWorkmateArtifacts } from "./src/exportArtifacts.js";
 
 type GatewayMethodHandler = Parameters<OpenClawPluginApi["registerGatewayMethod"]>[1];
@@ -14,6 +14,12 @@ type GatewayMethodResponse = {
 };
 
 describe("plugin registration", () => {
+  it("extracts only the final assistant display text", () => {
+    expect(lastAssistantText([
+      { role: "user", content: "secret prompt" },
+      { role: "assistant", content: [{ type: "tool_call", text: "ignored" }, { type: "text", text: "完成并已保存。" }] },
+    ])).toBe("完成并已保存。");
+  });
   it("declares registered agent tools in the manifest contract", () => {
     const manifest = JSON.parse(fs.readFileSync("openclaw.plugin.json", "utf8")) as {
       contracts?: { tools?: string[]; sessionScopedTools?: string[] };
@@ -264,7 +270,7 @@ describe("plugin registration", () => {
     expect(snapshot.payload?.artifacts).toMatchObject([{ relativePath: "reports/final.md" }]);
 
     await hooks.get("agent_end")?.(
-      { runId: "turn-1", success: false, error: "401 authentication failed" },
+      { runId: "turn-1", success: false, error: "401 authentication failed", messages: [{ role: "assistant", content: [{ type: "text", text: "上游认证失败。" }] }] },
       { sessionKey: "draft:1780636411666238-3", runId: "turn-1" },
     );
     expect(sessionExtensionPatches.at(-1)).toMatchObject({
diff --git a/index.ts b/index.ts
index c47ba9a..80c319f 100644
--- a/index.ts
+++ b/index.ts
@@ -86,6 +86,31 @@ function stringParam(value: unknown): string {
   return typeof value === "string" ? value.trim() : "";
 }
 
+export function lastAssistantText(messages: unknown): string | undefined {
+  if (!Array.isArray(messages)) return undefined;
+  for (let index = messages.length - 1; index >= 0; index -= 1) {
+    const message = messages[index];
+    if (!message || typeof message !== "object") continue;
+    const record = message as Record<string, unknown>;
+    if (stringParam(record.role).toLowerCase() !== "assistant") continue;
+    const content = record.content;
+    if (typeof content === "string" && content.trim()) return content.trim();
+    if (!Array.isArray(content)) continue;
+    const text = content
+      .map((block) => {
+        if (!block || typeof block !== "object") return "";
+        const item = block as Record<string, unknown>;
+        const type = stringParam(item.type).toLowerCase();
+        return type === "text" || type === "output_text" ? stringParam(item.text) : "";
+      })
+      .filter(Boolean)
+      .join("\n")
+      .trim();
+    if (text) return text;
+  }
+  return undefined;
+}
+
 const plugin = definePluginEntry({
   id: "openclaw-multi-session-plugins",
   name: "openclaw-multi-session-plugins",
@@ -139,6 +164,7 @@ function register(api: OpenClawPluginApi) {
           openclawSessionKey,
           runId,
           success: event?.success === true,
+          output: lastAssistantText(event?.messages),
           error: event?.error,
         });
       } catch (error) {
diff --git a/src/taskState.test.ts b/src/taskState.test.ts
index 8fd0f67..d1faed4 100644
--- a/src/taskState.test.ts
+++ b/src/taskState.test.ts
@@ -275,6 +275,7 @@ describe("xworkmate task state mapping", () => {
       openclawSessionKey: "agent:main:draft:failed-run",
       runId: "turn-failed",
       success: false,
+      output: "任务执行失败前的说明",
       error: "401 Authentication Fails, api_key=sk-secret-value",
     });
 
@@ -292,6 +293,9 @@ describe("xworkmate task state mapping", () => {
       taskStatus: "failed",
       terminal: true,
       terminalSource: "agent_end",
+      output: "任务执行失败前的说明",
+      resultSummary: "任务执行失败前的说明",
+      message: "任务执行失败前的说明",
       task: {
         runId: "turn-failed",
         status: "failed",
diff --git a/src/taskState.ts b/src/taskState.ts
index 7381c3f..e96ba56 100644
--- a/src/taskState.ts
+++ b/src/taskState.ts
@@ -54,6 +54,7 @@ export type XWorkmateRecordedTaskRunV1 = {
   startedAt: string;
   updatedAt: string;
   completedAt?: string;
+  output?: string;
   error?: string;
 };
 
@@ -136,6 +137,7 @@ export async function recordXWorkmateTaskRunTerminal(input: {
   openclawSessionKey: string;
   runId: string;
   success: boolean;
+  output?: unknown;
   error?: unknown;
 }): Promise<XWorkmateRecordedTaskRunV1> {
   const now = new Date().toISOString();
@@ -146,6 +148,7 @@ export async function recordXWorkmateTaskRunTerminal(input: {
     success: input.success,
     updatedAt: now,
     completedAt: now,
+    output: sanitizeTaskRunOutput(input.output),
     error: sanitizeTaskRunError(input.error),
   });
 }
@@ -311,8 +314,10 @@ export async function getXWorkmateTaskSnapshot(input: {
           completedAt: recordedRun.completedAt,
           error: recordedRun.error,
         },
+        output: recordedRun.output,
+        resultSummary: recordedRun.output,
         error: recordedRun.error,
-        message: recordedRun.error,
+        message: recordedRun.output ?? recordedRun.error,
         expectedArtifactDirs: mapping?.expectedArtifactDirs ?? [],
         artifactScope: exported?.artifactScope,
         remoteWorkingDirectory: exported?.remoteWorkingDirectory,
@@ -427,6 +432,7 @@ async function upsertXWorkmateTaskRun(
         startedAt: existing?.startedAt ?? input.startedAt ?? input.updatedAt,
         updatedAt: input.updatedAt,
         completedAt: input.completedAt,
+        output: input.output,
         error: input.error,
       }) as XWorkmateRecordedTaskRunV1;
       runs[input.runId] = recorded;
@@ -487,12 +493,21 @@ function readTaskRunsFromEntry(entry: SessionEntry | undefined | null): Record<s
       startedAt: optionalString(raw?.startedAt) || new Date(0).toISOString(),
       updatedAt: optionalString(raw?.updatedAt) || new Date(0).toISOString(),
       completedAt: optionalString(raw?.completedAt),
+      output: optionalString(raw?.output),
       error: optionalString(raw?.error),
     }) as XWorkmateRecordedTaskRunV1;
   }
   return result;
 }
 
+function sanitizeTaskRunOutput(value: unknown): string | undefined {
+  const raw = optionalString(value);
+  if (!raw) {
+    return undefined;
+  }
+  return raw.slice(0, 16 * 1024);
+}
+
 function sanitizeTaskRunError(value: unknown): string | undefined {
   const raw = optionalString(value);
   if (!raw) {