diff --git a/.github/workflows/cut-patch-release.yml b/.github/workflows/cut-patch-release.yml
index f18c44797cd..a96e50ee283 100644
--- a/.github/workflows/cut-patch-release.yml
+++ b/.github/workflows/cut-patch-release.yml
@@ -200,3 +200,23 @@ jobs:
             --color 0E8A16 \
             --description "Backport this fix to release/v$VERSION" \
             --force
+
+      # Post an immediate "branch cut" card so the team is notified the moment the
+      # patch branch exists, without waiting ~20-40 min for notify-release-feishu to
+      # finish the prerelease build. The download card still follows from that build.
+      # feishu-notice.ts only imports node:crypto, so the setup-node above suffices.
+      - name: Notify Feishu that the branch was cut
+        if: steps.guard.outputs.published == 'true'
+        env:
+          FEISHU_WEBHOOK: ${{ secrets.FEISHU_RELEASE_WEBHOOK }}
+          FEISHU_SIGN_SECRET: ${{ secrets.FEISHU_RELEASE_SIGN_SECRET }}
+          NOTICE_TITLE: "🌿 已切出 release 分支 v${{ steps.ver.outputs.version }}(小版本 patch)"
+          NOTICE_TEMPLATE: "green"
+          NOTICE_BODY: |
+            **分支**:[`release/v${{ steps.ver.outputs.version }}`](${{ github.server_url }}/${{ github.repository }}/tree/release/v${{ steps.ver.outputs.version }})(从 main 切出,小版本 / patch)
+
+            **Backport label**:`backport release/v${{ steps.ver.outputs.version }}` —— 要回灌到这个版本的修复,给 PR 打这个 label。
+
+            Prerelease 打包已开始(约 20–40 分钟);完成后会再发一张带各平台下载链接的卡片。
+          RUN_URL: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
+        run: node --experimental-strip-types tools/release/src/notifications/feishu-notice.ts
diff --git a/.github/workflows/cut-release.yml b/.github/workflows/cut-release.yml
index 34a2d4a7154..c1aafad5eda 100644
--- a/.github/workflows/cut-release.yml
+++ b/.github/workflows/cut-release.yml
@@ -101,3 +101,23 @@ jobs:
             --color 0E8A16 \
             --description "Backport this fix to release/v$VERSION" \
             --force
+
+      # Post an immediate "branch cut" card so the team is notified the moment the
+      # release branch exists, without waiting ~20-40 min for notify-release-feishu
+      # to finish the prerelease build. The download card still follows from that
+      # build. feishu-notice.ts only imports node:crypto, so the setup-node above
+      # is all it needs.
+      - name: Notify Feishu that the branch was cut
+        env:
+          FEISHU_WEBHOOK: ${{ secrets.FEISHU_RELEASE_WEBHOOK }}
+          FEISHU_SIGN_SECRET: ${{ secrets.FEISHU_RELEASE_SIGN_SECRET }}
+          NOTICE_TITLE: "🌿 已切出 release 分支 v${{ steps.ver.outputs.version }}(大版本 minor)"
+          NOTICE_TEMPLATE: "green"
+          NOTICE_BODY: |
+            **分支**:[`release/v${{ steps.ver.outputs.version }}`](${{ github.server_url }}/${{ github.repository }}/tree/release/v${{ steps.ver.outputs.version }})(从 main 切出,大版本 / minor)
+
+            **Backport label**:`backport release/v${{ steps.ver.outputs.version }}` —— 要回灌到这个版本的修复,给 PR 打这个 label。
+
+            Prerelease 打包已开始(约 20–40 分钟);完成后会再发一张带各平台下载链接的卡片。
+          RUN_URL: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
+        run: node --experimental-strip-types tools/release/src/notifications/feishu-notice.ts
diff --git a/e2e/tests/packaged-smoke-workflow.test.ts b/e2e/tests/packaged-smoke-workflow.test.ts
index 500aa6adbbc..38aa598ca80 100644
--- a/e2e/tests/packaged-smoke-workflow.test.ts
+++ b/e2e/tests/packaged-smoke-workflow.test.ts
@@ -44,6 +44,7 @@ const packagedPackageJsonPath = join(workspaceRoot, "apps", "packaged", "package
 const scopesScriptPath = join(workspaceRoot, "scripts", "scopes.ts");
 const runnersScriptPath = join(workspaceRoot, ".github", "scripts", "runners.py");
 const notifyDailyFeishuWorkflowPath = join(workspaceRoot, ".github", "workflows", "notify-daily-feishu.yml");
+const cutReleaseWorkflowPath = join(workspaceRoot, ".github", "workflows", "cut-release.yml");
 const cutPatchReleaseWorkflowPath = join(workspaceRoot, ".github", "workflows", "cut-patch-release.yml");
 const feishuNoticeScriptPath = join(workspaceRoot, "tools", "release", "src", "notifications", "feishu-notice.ts");
 const landingPageDailyFeishuWorkflowPath = join(workspaceRoot, ".github", "workflows", "landing-page-daily-feishu.yml");
@@ -1401,6 +1402,38 @@ process.stdin.on("end", () => {
     expect(notice).toContain('required("NOTICE_BODY")');
   });
 
+  it("[P2] posts an immediate branch-cut Feishu card naming the backport label on both cut workflows", async () => {
+    // Cutting a release branch triggers a ~20-40 min prerelease build before the
+    // download card lands, so both cut workflows post an eager "branch cut" notice
+    // the moment the branch exists. Each must: reuse feishu-notice.ts, run AFTER the
+    // branch push + label creation, and name the exact backport label so the team
+    // knows which label to apply for backports.
+    const [minorCut, patchCut] = await Promise.all([
+      readFile(cutReleaseWorkflowPath, "utf8"),
+      readFile(cutPatchReleaseWorkflowPath, "utf8"),
+    ]);
+
+    for (const [label, workflow, kind] of [
+      ["cut-release (minor)", minorCut, "大版本 minor"],
+      ["cut-patch-release (patch)", patchCut, "小版本 patch"],
+    ] as const) {
+      const step = sectionBetween(workflow, "- name: Notify Feishu that the branch was cut", "\n        run:");
+      // Same standalone notifier + the shared release webhook/secret.
+      expect(workflow, label).toContain("run: node --experimental-strip-types tools/release/src/notifications/feishu-notice.ts");
+      expect(step, label).toContain("FEISHU_WEBHOOK: ${{ secrets.FEISHU_RELEASE_WEBHOOK }}");
+      // Names the version's backport label in the card body.
+      expect(step, label).toContain("backport release/v${{ steps.ver.outputs.version }}");
+      // Distinguishes major vs minor cut.
+      expect(step, label).toContain(kind);
+      // The eager card must come AFTER the branch is actually cut + pushed.
+      expect(workflow.indexOf("- name: Notify Feishu that the branch was cut"), label)
+        .toBeGreaterThan(workflow.indexOf('git push origin "$BRANCH"'));
+    }
+    // The patch workflow's eager card only fires on the happy (published) path.
+    const patchNotice = sectionBetween(patchCut, "- name: Notify Feishu that the branch was cut", "\n        run:");
+    expect(patchNotice).toContain("if: steps.guard.outputs.published == 'true'");
+  });
+
   it("[P2] sends the daily landing PR summary to Feishu with staging deployment status", async () => {
     const [workflow, productionWorkflow, script] = await Promise.all([
       readFile(landingPageDailyFeishuWorkflowPath, "utf8"),