diff --git a/app/api/partner/route.ts b/app/api/partner/route.ts
index 936864d..eb914fa 100644
--- a/app/api/partner/route.ts
+++ b/app/api/partner/route.ts
@@ -28,6 +28,14 @@ import {
   verifyWecomIdentityTicket,
   type WecomIdentity,
 } from "../../../lib/wecom-oauth-service";
+import {
+  isWecomFeedbackEnabled,
+  notifyPartnerSubmitted,
+} from "../../../lib/wecom-feedback-service";
+import {
+  resolveWecomConfig,
+  type WecomBindings,
+} from "../../../lib/wecom-client";
 import {
   partnerOptions,
   withPartnerCors,
@@ -1063,6 +1071,14 @@ async function handlePost(request: Request) {
         ),
       ).catch(() => undefined);
       runInBackground(enrichment, "distribution account enrichment");
+      if (isWecomFeedbackEnabled()) {
+        const feedback = notifyPartnerSubmitted(
+          db,
+          { distributionId: assignment.id, kind: "publish" },
+          resolveWecomConfig(env as unknown as WecomBindings),
+        ).catch(() => undefined);
+        runInBackground(feedback, "wecom publish feedback");
+      }
       return Response.json({ ok: true });
     }
 
@@ -1156,6 +1172,14 @@ async function handlePost(request: Request) {
         );
       }
       await db.batch(statements);
+      if (isWecomFeedbackEnabled()) {
+        const feedback = notifyPartnerSubmitted(
+          db,
+          { distributionId: assignment.id, kind: "screenshot" },
+          resolveWecomConfig(env as unknown as WecomBindings),
+        ).catch(() => undefined);
+        runInBackground(feedback, "wecom screenshot feedback");
+      }
       return Response.json({ submitted: true });
     }
 
diff --git a/lib/runtime-env.ts b/lib/runtime-env.ts
index d2f20f3..d08c2ff 100644
--- a/lib/runtime-env.ts
+++ b/lib/runtime-env.ts
@@ -27,6 +27,7 @@ export type RuntimeEnv = {
   WECOM_CALLBACK_TOKEN?: string;
   WECOM_CALLBACK_ENCODING_AES_KEY?: string;
   WECOM_CALLBACK_ENABLED?: string;
+  WECOM_FEEDBACK_ENABLED?: string;
   SEED_DEMO_DATA?: string;
   ENABLE_SCHEDULER?: string;
 };
diff --git a/lib/scheduler.ts b/lib/scheduler.ts
index 2ee6686..5719f71 100644
--- a/lib/scheduler.ts
+++ b/lib/scheduler.ts
@@ -13,6 +13,10 @@ import {
   type WecomBindings,
 } from "./wecom-client";
 import { runDueSoonWecomNotifications } from "./wecom-notifier-service";
+import {
+  isWecomFeedbackEnabled,
+  notifyCollectionFinished,
+} from "./wecom-feedback-service";
 
 declare global {
   var __kocLoopScheduler: ScheduledTask | undefined;
@@ -28,19 +32,25 @@ async function runDailyJob() {
     );
     const collections = await runScheduledCollections(db, Date.now(), config);
     const accounts = await backfillAccountProfiles(db, config, 10);
+    const wecomConfig = resolveWecomConfig(env as unknown as WecomBindings);
     let wecom: Awaited<ReturnType<typeof runDueSoonWecomNotifications>> | null =
       null;
-    if (isEnabled(env.WECOM_NOTIFY_ENABLED, true)) {
-      const wecomConfig = resolveWecomConfig(env as unknown as WecomBindings);
-      if (
-        wecomConfig.robotWebhook ||
-        (wecomConfig.corpId && wecomConfig.agentId && wecomConfig.secret)
-      ) {
-        try {
-          wecom = await runDueSoonWecomNotifications(db, wecomConfig);
-        } catch (error) {
-          console.error("[KOC LOOP] wecom notify failed", error);
-        }
+    if (
+      isEnabled(env.WECOM_NOTIFY_ENABLED, true) &&
+      (wecomConfig.robotWebhook ||
+        (wecomConfig.corpId && wecomConfig.agentId && wecomConfig.secret))
+    ) {
+      try {
+        wecom = await runDueSoonWecomNotifications(db, wecomConfig);
+      } catch (error) {
+        console.error("[KOC LOOP] wecom notify failed", error);
+      }
+    }
+    if (isWecomFeedbackEnabled()) {
+      try {
+        await notifyCollectionFinished(collections, wecomConfig);
+      } catch (error) {
+        console.error("[KOC LOOP] wecom collection feedback failed", error);
       }
     }
     console.info("[KOC LOOP] daily scheduler completed", {
diff --git a/lib/wecom-feedback-service.ts b/lib/wecom-feedback-service.ts
new file mode 100644
index 0000000..aadf401
--- /dev/null
+++ b/lib/wecom-feedback-service.ts
@@ -0,0 +1,107 @@
+import type { DatabaseClient } from "./database";
+import { getRuntimeEnv, isEnabled } from "./runtime-env";
+import { sendWecomRobotMessage, type WecomConfig } from "./wecom-client";
+
+type FetchLike = typeof fetch;
+
+export function isWecomFeedbackEnabled() {
+  return isEnabled(getRuntimeEnv().WECOM_FEEDBACK_ENABLED, false);
+}
+
+type SubmittedRow = {
+  claimant_name: string | null;
+  partner_name: string | null;
+  task_name: string;
+  content_title: string | null;
+  publish_url: string | null;
+};
+
+function truncate(value: string, max: number) {
+  return value.length > max ? `${value.slice(0, max)}…` : value;
+}
+
+export function buildPublishSubmittedMessage(
+  row: SubmittedRow,
+  kind: "publish" | "screenshot",
+): string {
+  const partner = row.partner_name || row.claimant_name || "未知合作方";
+  if (kind === "screenshot") {
+    return [
+      "【KOC 已提交截图】",
+      `合作方：${partner}`,
+      `任务：${truncate(row.task_name, 24)}`,
+      `内容：${truncate(row.content_title ?? "", 24)}`,
+      "请到后台「数据回收」页查看与审核。",
+    ].join("\n");
+  }
+  return [
+    "【KOC 已提交发布】",
+    `合作方：${partner}`,
+    `任务：${truncate(row.task_name, 24)}`,
+    `内容：${truncate(row.content_title ?? "", 24)}`,
+    `链接：${row.publish_url ?? ""}`,
+    "链接已入库，采集计划将按日自动执行。",
+  ].join("\n");
+}
+
+export async function notifyPartnerSubmitted(
+  db: DatabaseClient,
+  params: { distributionId: string; kind: "publish" | "screenshot" },
+  config: WecomConfig,
+  fetchImpl: FetchLike = fetch,
+): Promise<boolean> {
+  if (!config.robotWebhook) return false;
+  const distributionId = String(params.distributionId ?? "").trim();
+  if (!distributionId) return false;
+  const row = await db
+    .prepare(
+      `SELECT d.claimant_name, d.publish_url, t.name AS task_name,
+              c.title AS content_title, p.name AS partner_name
+       FROM distributions d
+       JOIN tasks t ON t.id = d.task_id
+       LEFT JOIN contents c ON c.id = d.content_id
+       LEFT JOIN partners p ON p.id = d.partner_id
+       WHERE d.id = ?`,
+    )
+    .bind(distributionId)
+    .first<SubmittedRow>();
+  if (!row) return false;
+  const message = buildPublishSubmittedMessage(row, params.kind);
+  await sendWecomRobotMessage(message, config, fetchImpl);
+  return true;
+}
+
+export function buildCollectionFinishedMessage(summary: {
+  currentDate: string;
+  dueTasks: number;
+  attempted: number;
+  succeeded: number;
+  failed: number;
+}): string {
+  const lines = [
+    `【数据采集日报】${summary.currentDate}`,
+    `应采集任务 ${summary.dueTasks} 个，执行 ${summary.attempted} 条：成功 ${summary.succeeded}、失败 ${summary.failed}。`,
+  ];
+  if (summary.failed > 0) {
+    lines.push("有采集失败，请到后台「数据回收」页查看并重试。");
+  }
+  return lines.join("\n");
+}
+
+export async function notifyCollectionFinished(
+  summary: {
+    currentDate: string;
+    dueTasks: number;
+    attempted: number;
+    succeeded: number;
+    failed: number;
+  },
+  config: WecomConfig,
+  fetchImpl: FetchLike = fetch,
+): Promise<boolean> {
+  if (!config.robotWebhook) return false;
+  if (summary.attempted <= 0 && summary.failed <= 0) return false;
+  const message = buildCollectionFinishedMessage(summary);
+  await sendWecomRobotMessage(message, config, fetchImpl);
+  return true;
+}
diff --git a/tests/wecom-feedback.test.mjs b/tests/wecom-feedback.test.mjs
new file mode 100644
index 0000000..d291044
--- /dev/null
+++ b/tests/wecom-feedback.test.mjs
@@ -0,0 +1,123 @@
+import assert from "node:assert/strict";
+import test from "node:test";
+import {
+  buildCollectionFinishedMessage,
+  buildPublishSubmittedMessage,
+  notifyCollectionFinished,
+  notifyPartnerSubmitted,
+} from "../lib/wecom-feedback-service.ts";
+import { resolveWecomConfig } from "../lib/wecom-client.ts";
+
+const config = resolveWecomConfig({
+  WECOM_CORP_ID: "corp-test",
+  WECOM_AGENT_ID: "1000001",
+  WECOM_SECRET: "secret-test",
+  WECOM_ROBOT_WEBHOOK: "https://qyapi.example.com/webhook/send?key=abc",
+});
+
+const submittedRow = {
+  claimant_name: "小王",
+  partner_name: "合作方甲",
+  task_name: "夏日轻盈计划",
+  content_title: "好物分享笔记",
+  publish_url: "https://www.xiaohongshu.com/explore/abc",
+};
+
+function robotFetch(calls) {
+  return async (input, init = {}) => {
+    const url = new URL(String(input));
+    calls.push({ url, init });
+    return Response.json({ errcode: 0, errmsg: "ok" });
+  };
+}
+
+function fakeSubmittedDb(row = submittedRow) {
+  return {
+    prepare(sql) {
+      return {
+        bind() {
+          return {
+            async first() {
+              if (/FROM distributions d/.test(sql)) return row;
+              return null;
+            },
+          };
+        },
+      };
+    },
+  };
+}
+
+test("publish submitted message covers partner, task and link", () => {
+  const message = buildPublishSubmittedMessage(submittedRow, "publish");
+  assert.match(message, /【KOC 已提交发布】/);
+  assert.match(message, /合作方：合作方甲/);
+  assert.match(message, /夏日轻盈计划/);
+  assert.match(message, /xiaohongshu\.com\/explore\/abc/);
+  const screenshot = buildPublishSubmittedMessage(submittedRow, "screenshot");
+  assert.match(screenshot, /【KOC 已提交截图】/);
+  assert.doesNotMatch(screenshot, /链接：/);
+});
+
+test("collection digest includes failure hint only when failed", () => {
+  const ok = buildCollectionFinishedMessage({
+    currentDate: "2026-09-01",
+    dueTasks: 3,
+    attempted: 10,
+    succeeded: 10,
+    failed: 0,
+  });
+  assert.match(ok, /成功 10、失败 0/);
+  assert.doesNotMatch(ok, /重试/);
+  const bad = buildCollectionFinishedMessage({
+    currentDate: "2026-09-01",
+    dueTasks: 3,
+    attempted: 10,
+    succeeded: 7,
+    failed: 3,
+  });
+  assert.match(bad, /重试/);
+});
+
+test("notifyPartnerSubmitted posts robot message and skips without webhook", async () => {
+  const calls = [];
+  const sent = await notifyPartnerSubmitted(
+    fakeSubmittedDb(),
+    { distributionId: "d-1", kind: "publish" },
+    config,
+    robotFetch(calls),
+  );
+  assert.equal(sent, true);
+  assert.equal(calls.length, 1);
+  const body = JSON.parse(String(calls[0].init.body));
+  assert.equal(body.msgtype, "text");
+  assert.match(body.text.content, /【KOC 已提交发布】/);
+
+  const noWebhook = await notifyPartnerSubmitted(
+    fakeSubmittedDb(),
+    { distributionId: "d-1", kind: "publish" },
+    resolveWecomConfig({}),
+    robotFetch([]),
+  );
+  assert.equal(noWebhook, false);
+});
+
+test("notifyCollectionFinished skips empty batches and posts on activity", async () => {
+  const calls = [];
+  const idle = await notifyCollectionFinished(
+    { currentDate: "2026-09-01", dueTasks: 0, attempted: 0, succeeded: 0, failed: 0 },
+    config,
+    robotFetch(calls),
+  );
+  assert.equal(idle, false);
+  assert.equal(calls.length, 0);
+
+  const active = await notifyCollectionFinished(
+    { currentDate: "2026-09-01", dueTasks: 2, attempted: 5, succeeded: 4, failed: 1 },
+    config,
+    robotFetch(calls),
+  );
+  assert.equal(active, true);
+  assert.equal(calls.length, 1);
+  assert.match(JSON.parse(String(calls[0].init.body)).text.content, /成功 4、失败 1/);
+});