diff --git a/netx_api/app_startup.py b/netx_api/app_startup.py
index beb5497..8acc5f5 100644
--- a/netx_api/app_startup.py
+++ b/netx_api/app_startup.py
@@ -159,6 +159,17 @@ def run_api_startup() -> None:
                 )
         except Exception:
             _log.exception("startup: biz_state collect recovery failed")
+        try:
+            from .biz_state.compare_service import recover_interrupted_compares_on_startup
+
+            cmp_rec = recover_interrupted_compares_on_startup(db)
+            if cmp_rec.get("runs"):
+                _log.info(
+                    "startup: cancelled %s interrupted biz compare run(s)",
+                    cmp_rec.get("runs"),
+                )
+        except Exception:
+            _log.exception("startup: biz compare recovery failed")
         try:
             from .port_traffic_migrate import backfill_port_traffic_series
 
diff --git a/netx_api/biz_state/compare_service.py b/netx_api/biz_state/compare_service.py
index 6d82adb..2507d06 100644
--- a/netx_api/biz_state/compare_service.py
+++ b/netx_api/biz_state/compare_service.py
@@ -1868,13 +1868,17 @@ def _set_run_progress(
         progress.update(extra)
     prev["progress"] = progress
     run.summary_json = prev
-    run.status = "running"
-    title = progress["sheet_title"] or progress["sheet_id"] or ""
-    run.message = (
-        f"{phase} {sheet_index}/{sheet_total}"
-        + (f" · {title}" if title else "")
-        + f" · {elapsed_ms // 1000}s"
-    )[:1024]
+    # Re-read status from DB — cancel may have been committed by another session
+    # (UI cancel / startup recovery) while this worker still holds a stale "running".
+    db.expire(run, ["status", "message"])
+    if str(run.status or "") != "cancelled":
+        run.status = "running"
+        title = progress["sheet_title"] or progress["sheet_id"] or ""
+        run.message = (
+            f"{phase} {sheet_index}/{sheet_total}"
+            + (f" · {title}" if title else "")
+            + f" · {elapsed_ms // 1000}s"
+        )[:1024]
     db.commit()
 
 
@@ -1937,10 +1941,18 @@ def _execute_compare_into_run(db: Session, run_id: str) -> dict[str, Any]:
         prev["sheets"] = list(sheet_metas)
         prev.update({k: agg[k] for k in agg})
         run.summary_json = prev
+        db.expire(run, ["status"])
+        # Never resurrect cancelled while publishing incremental sheet metas
+        if str(run.status or "") == "cancelled":
+            db.commit()
+            return
         db.commit()
 
     try:
         for idx, sheet in enumerate(sheets_cfg, start=1):
+            if _run_is_cancelled(db, run_id):
+                run = db.get(BizCompareRun, run_id) or run
+                return get_run(db, run.id)
             sid = sheet_key(sheet)
             # Mark current sheet running in the sidebar list
             for meta in sheet_metas:
@@ -2091,6 +2103,13 @@ def _execute_compare_into_run(db: Session, run_id: str) -> dict[str, Any]:
             fail_diffs.clear()
             ok_diffs.clear()
             db.commit()
+            if _run_is_cancelled(db, run_id):
+                run = db.get(BizCompareRun, run_id) or run
+                return get_run(db, run.id)
+
+        if _run_is_cancelled(db, run_id):
+            run = db.get(BizCompareRun, run_id) or run
+            return get_run(db, run.id)
 
         duration_ms = int((time.monotonic() - started_mono) * 1000)
         top_fields = sorted(
@@ -2117,6 +2136,9 @@ def _execute_compare_into_run(db: Session, run_id: str) -> dict[str, Any]:
             },
             "sheets": sheet_metas,
         }
+        run = db.get(BizCompareRun, run_id) or run
+        if str(run.status or "") == "cancelled":
+            return get_run(db, run.id)
         run.status = "success"
         run.summary_json = summary_payload
         run.mapping_stats_json = mapping_by_metric
@@ -2129,34 +2151,123 @@ def _execute_compare_into_run(db: Session, run_id: str) -> dict[str, Any]:
         db.commit()
         return get_run(db, run.id)
     except HTTPException as exc:
-        run.status = "failed"
-        run.message = str(getattr(exc, "detail", "") or exc)[:1024]
-        prev = dict(run.summary_json or {})
-        prog = dict(prev.get("progress") or {})
-        prog["phase"] = "failed"
-        prog["elapsed_ms"] = int((time.monotonic() - started_mono) * 1000)
-        prev["progress"] = prog
-        prev["duration_ms"] = prog["elapsed_ms"]
-        run.summary_json = prev
-        db.commit()
+        run = db.get(BizCompareRun, run_id) or run
+        if str(run.status or "") != "cancelled":
+            run.status = "failed"
+            run.message = str(getattr(exc, "detail", "") or exc)[:1024]
+            prev = dict(run.summary_json or {})
+            prog = dict(prev.get("progress") or {})
+            prog["phase"] = "failed"
+            prog["elapsed_ms"] = int((time.monotonic() - started_mono) * 1000)
+            prev["progress"] = prog
+            prev["duration_ms"] = prog["elapsed_ms"]
+            run.summary_json = prev
+            db.commit()
         raise
     except Exception as exc:
         _log.exception("compare run failed run=%s job=%s", run_id, j.id)
-        run.status = "failed"
-        run.message = str(exc)[:1024]
-        prev = dict(run.summary_json or {})
-        prog = dict(prev.get("progress") or {})
-        prog["phase"] = "failed"
-        prog["elapsed_ms"] = int((time.monotonic() - started_mono) * 1000)
-        prev["progress"] = prog
-        prev["duration_ms"] = prog["elapsed_ms"]
-        run.summary_json = prev
-        db.commit()
+        run = db.get(BizCompareRun, run_id) or run
+        if str(run.status or "") != "cancelled":
+            run.status = "failed"
+            run.message = str(exc)[:1024]
+            prev = dict(run.summary_json or {})
+            prog = dict(prev.get("progress") or {})
+            prog["phase"] = "failed"
+            prog["elapsed_ms"] = int((time.monotonic() - started_mono) * 1000)
+            prev["progress"] = prog
+            prev["duration_ms"] = prog["elapsed_ms"]
+            run.summary_json = prev
+            db.commit()
         raise
 
 
+_INTERRUPT_MARK = "interrupted_by_restart"
+
+
+def _job_has_active_run(db: Session, job_id: str) -> BizCompareRun | None:
+    return (
+        db.query(BizCompareRun)
+        .filter(
+            BizCompareRun.job_id == str(job_id or ""),
+            BizCompareRun.status.in_(("running", "queued")),
+        )
+        .order_by(BizCompareRun.created_at.desc())
+        .first()
+    )
+
+
+def _run_is_cancelled(db: Session, run_id: str) -> bool:
+    """Re-read status so user/startup cancel is visible to the worker thread."""
+    db.expire_all()
+    r = db.get(BizCompareRun, run_id)
+    return bool(r and str(r.status or "") == "cancelled")
+
+
+def recover_interrupted_compares_on_startup(db: Session) -> dict[str, Any]:
+    """Mark orphaned running/queued compare runs as cancelled after process restart.
+
+    In-memory job locks die with the process; without this, the UI stays on
+    「比对中」and blocks a new run.
+    """
+    now = _utcnow()
+    rows = (
+        db.query(BizCompareRun)
+        .filter(BizCompareRun.status.in_(("running", "queued")))
+        .all()
+    )
+    n = 0
+    for r in rows:
+        r.status = "cancelled"
+        msg = str(r.message or "").strip()
+        if _INTERRUPT_MARK not in msg:
+            r.message = f"{msg} | {_INTERRUPT_MARK}".strip(" |")[:1024]
+        prev = dict(r.summary_json or {})
+        prog = dict(prev.get("progress") or {})
+        prog["phase"] = "cancelled"
+        prog["elapsed_ms"] = int(prog.get("elapsed_ms") or 0)
+        prev["progress"] = prog
+        # Mark in-flight sheet placeholders so UI does not show fake pass
+        sheets = list(prev.get("sheets") or [])
+        for sh in sheets:
+            st = str(sh.get("status") or "")
+            if st in ("pending", "running", "queued"):
+                sh["status"] = "cancelled"
+        prev["sheets"] = sheets
+        r.summary_json = prev
+        n += 1
+    if n:
+        db.commit()
+        _log.info("startup: cancelled %s interrupted compare run(s)", n)
+    return {"runs": n, "at": now.isoformat() + "Z"}
+
+
+def cancel_compare_run(db: Session, run_id: str) -> dict[str, Any]:
+    """Cancel a running/queued compare so a new run can start."""
+    r = db.get(BizCompareRun, run_id)
+    if not r:
+        raise HTTPException(status_code=404, detail="run_not_found")
+    st = str(r.status or "")
+    if st not in ("running", "queued"):
+        return get_run(db, run_id)
+    r.status = "cancelled"
+    msg = str(r.message or "").strip()
+    r.message = f"{msg} | cancelled_by_user".strip(" |")[:1024]
+    prev = dict(r.summary_json or {})
+    prog = dict(prev.get("progress") or {})
+    prog["phase"] = "cancelled"
+    prev["progress"] = prog
+    for sh in list(prev.get("sheets") or []):
+        if str(sh.get("status") or "") in ("pending", "running", "queued"):
+            sh["status"] = "cancelled"
+    r.summary_json = prev
+    db.commit()
+    return get_run(db, run_id)
+
+
 def run_compare(db: Session, job_id: str, *, force_after_batch_id: str = "") -> dict[str, Any]:
     """Synchronous compare (auto-compare / tests). Blocks the caller until done."""
+    if _job_has_active_run(db, job_id):
+        raise HTTPException(status_code=409, detail="compare_already_running")
     lock = _job_compare_lock(job_id)
     if not lock.acquire(blocking=False):
         raise HTTPException(status_code=409, detail="compare_already_running")
@@ -2183,6 +2294,8 @@ def enqueue_compare(
     Returns immediately so the HTTP worker / UI stay responsive. Poll
     ``GET /compare/runs/{id}`` for progress (``summary.progress``).
     """
+    if _job_has_active_run(db, job_id):
+        raise HTTPException(status_code=409, detail="compare_already_running")
     lock = _job_compare_lock(job_id)
     if not lock.acquire(blocking=False):
         raise HTTPException(status_code=409, detail="compare_already_running")
diff --git a/netx_api/biz_state_router.py b/netx_api/biz_state_router.py
index 7920526..48af725 100644
--- a/netx_api/biz_state_router.py
+++ b/netx_api/biz_state_router.py
@@ -746,6 +746,12 @@ def api_get_run(run_id: str, db: Session = Depends(get_db)) -> dict[str, Any]:
     return cmp_svc.get_run(db, run_id)
 
 
+@router.post("/compare/runs/{run_id}/cancel")
+def api_cancel_run(run_id: str, db: Session = Depends(get_db)) -> dict[str, Any]:
+    """Cancel a stuck/running compare so a new run can start."""
+    return cmp_svc.cancel_compare_run(db, run_id)
+
+
 @router.delete("/compare/runs/{run_id}")
 def api_delete_run(run_id: str, db: Session = Depends(get_db)) -> dict[str, Any]:
     return cmp_svc.delete_run(db, run_id)
diff --git a/tests/test_biz_state_compare_recovery.py b/tests/test_biz_state_compare_recovery.py
new file mode 100644
index 0000000..e24ea40
--- /dev/null
+++ b/tests/test_biz_state_compare_recovery.py
@@ -0,0 +1,98 @@
+"""Startup recovery for interrupted biz-state compare runs."""
+
+from __future__ import annotations
+
+import unittest
+
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+
+from netx_api.biz_state.compare_service import (
+    cancel_compare_run,
+    recover_interrupted_compares_on_startup,
+)
+from netx_api.db import Base
+from netx_api.models import BizCompareJob, BizCompareRun
+
+
+class BizStateCompareRecoveryTests(unittest.TestCase):
+    def setUp(self) -> None:
+        engine = create_engine("sqlite+pysqlite:///:memory:", future=True)
+        TestingSession = sessionmaker(
+            bind=engine, autoflush=False, autocommit=False, expire_on_commit=False
+        )
+        Base.metadata.create_all(bind=engine)
+        self.db = TestingSession()
+        self.job = BizCompareJob(
+            id="j1",
+            name="cutover",
+            template_id="tpl1",
+            status="active",
+        )
+        self.db.add(self.job)
+        self.running = BizCompareRun(
+            id="r_run",
+            job_id="j1",
+            status="running",
+            message="loading 1/2 · BGP",
+            summary_json={
+                "progress": {"phase": "loading", "sheet_index": 1, "sheet_total": 2},
+                "sheets": [
+                    {"sheet_id": "bgp", "status": "running"},
+                    {"sheet_id": "isis", "status": "pending"},
+                ],
+            },
+        )
+        self.queued = BizCompareRun(
+            id="r_q",
+            job_id="j1",
+            status="queued",
+            message="queued",
+            summary_json={"sheets": [{"sheet_id": "bgp", "status": "pending"}]},
+        )
+        self.ok = BizCompareRun(
+            id="r_ok",
+            job_id="j1",
+            status="success",
+            message="done",
+            summary_json={"added": 0, "removed": 0, "changed": 0},
+        )
+        self.db.add_all([self.running, self.queued, self.ok])
+        self.db.commit()
+
+    def tearDown(self) -> None:
+        self.db.close()
+
+    def test_startup_cancels_running_and_queued(self) -> None:
+        out = recover_interrupted_compares_on_startup(self.db)
+        self.assertEqual(out["runs"], 2)
+
+        self.db.refresh(self.running)
+        self.db.refresh(self.queued)
+        self.db.refresh(self.ok)
+        self.assertEqual(self.running.status, "cancelled")
+        self.assertIn("interrupted_by_restart", self.running.message or "")
+        self.assertEqual(
+            (self.running.summary_json or {}).get("progress", {}).get("phase"),
+            "cancelled",
+        )
+        sheets = list((self.running.summary_json or {}).get("sheets") or [])
+        self.assertEqual(sheets[0].get("status"), "cancelled")
+        self.assertEqual(sheets[1].get("status"), "cancelled")
+        self.assertEqual(self.queued.status, "cancelled")
+        self.assertEqual(self.ok.status, "success")
+
+    def test_cancel_compare_run_user(self) -> None:
+        out = cancel_compare_run(self.db, "r_run")
+        self.assertEqual(out["status"], "cancelled")
+        self.db.refresh(self.running)
+        self.assertEqual(self.running.status, "cancelled")
+        self.assertIn("cancelled_by_user", self.running.message or "")
+
+    def test_cancel_idempotent_on_success(self) -> None:
+        out = cancel_compare_run(self.db, "r_ok")
+        self.assertEqual(out["status"], "success")
+
+
+if __name__ == "__main__":
+    unittest.main()
diff --git a/web/src/i18n/en.ts b/web/src/i18n/en.ts
index 12f7171..2304298 100644
--- a/web/src/i18n/en.ts
+++ b/web/src/i18n/en.ts
@@ -520,10 +520,20 @@ const en = {
     edit: "Edit",
     delete: "Delete",
     tabConfig: "Job config",
+    tabRuns: "Compare batches",
     tabResult: "Result",
     runs: "Run history",
+    runsHint: "Each “Run now” creates a batch. Stuck “Running” after restart is auto-cancelled; you can also cancel manually and re-run.",
     noRuns: "No runs yet — run a compare first",
     result: "Result",
+    viewResult: "View result",
+    cancelRun: "Cancel",
+    confirmCancelRun: "Cancel this compare batch? You can start a new run afterward.",
+    runCancelled: "Compare cancelled",
+    runStatusCancelled: "Cancelled",
+    compareAlreadyRunning: "A compare is already running — cancel it under Compare batches or wait",
+    runBatchSummary: "Fail {{fail}} · Pass {{ok}} · Added {{added}}",
+    colTime: "Time",
     pickBatchRun: "Select compare run",
     pickRun: "Select run…",
     runCount: "{{n}} runs",
diff --git a/web/src/i18n/zh.ts b/web/src/i18n/zh.ts
index 4b14657..2b191f9 100644
--- a/web/src/i18n/zh.ts
+++ b/web/src/i18n/zh.ts
@@ -519,10 +519,20 @@ const zh = {
     edit: "编辑",
     delete: "删除",
     tabConfig: "任务配置",
+    tabRuns: "对比批次",
     tabResult: "比对结果",
     runs: "历史比对",
+    runsHint: "每次「立即比对」生成一条批次。重启后卡住的「比对中」会自动标为已取消；也可手动终止后重跑。",
     noRuns: "尚无比对记录，请先执行比对",
     result: "比对结果",
+    viewResult: "查看结果",
+    cancelRun: "终止",
+    confirmCancelRun: "确定终止该比对批次？终止后可重新发起比对。",
+    runCancelled: "比对已取消",
+    runStatusCancelled: "已取消",
+    compareAlreadyRunning: "已有比对在进行中，请先在「对比批次」中终止或等待完成",
+    runBatchSummary: "失败 {{fail}} · 成功 {{ok}} · 新增 {{added}}",
+    colTime: "时间",
     pickBatchRun: "选择比对记录",
     pickRun: "选择比对记录…",
     runCount: "{{n}} 次",
diff --git a/web/src/pages/network/BizComparePage.tsx b/web/src/pages/network/BizComparePage.tsx
index 21fc4eb..bacf72a 100644
--- a/web/src/pages/network/BizComparePage.tsx
+++ b/web/src/pages/network/BizComparePage.tsx
@@ -7,6 +7,7 @@ import { useDebouncedValue } from "../../hooks/useDebouncedValue";
 import { useToast } from "../../hooks/useToast";
 import { useI18n } from "../../i18n";
 import {
+  bizCompareCancelRun,
   bizCompareCreateJob,
   bizCompareCreateMapping,
   bizCompareCreateTemplate,
@@ -35,7 +36,7 @@ import { cutoverCachedGet, cutoverCachedGetSWR, invalidateCutoverCache } from ".
 import { jobChipColor, NmStatusChip } from "./nmChips";
 
 type PageTab = "templates" | "jobs";
-type JobDetailTab = "config" | "result";
+type JobDetailTab = "config" | "runs" | "result";
 type KindFilter = "diff" | "all" | "added" | "removed" | "changed" | "unchanged";
 type CreateJobStep = 0 | 1 | 2 | 3;
 const CREATE_JOB_STEPS = 4;
@@ -1802,12 +1803,14 @@ export function BizComparePage({ pageMode = "all" }: { pageMode?: BizComparePage
     const job = jobs.find((x) => x.id === id);
     if (job) resetJobForm(job);
     try {
-      const r = await bizCompareListRuns(id);
-      setRuns(r.items || []);
-      if ((r.items || []).length) {
-        const latest = await bizCompareGetRun(String((r.items as any[])[0].id));
+      const r = await bizCompareListRuns(id, 50);
+      const items = r.items || [];
+      setRuns(items);
+      if (items.length) {
+        const latest = await bizCompareGetRun(String((items as any[])[0].id));
         setRunDetail(latest);
-        setJobDetailTab("result");
+        // Land on batch list so stuck/cancelled runs are visible and actionable
+        setJobDetailTab("runs");
       }
     } catch (e) {
       showError(formatErr(e));
@@ -1843,32 +1846,42 @@ export function BizComparePage({ pageMode = "all" }: { pageMode?: BizComparePage
     }
   };
 
+  const runStatus = String(runDetail?.status || "");
+  const runIsActive = runStatus === "running" || runStatus === "queued";
+  const jobHasActiveRun = runs.some((r) => {
+    const st = String((r as any).status || "");
+    return st === "running" || st === "queued";
+  });
+
   const runNow = async () => {
     if (!jobId) return;
     if (!enabledJobSheetCount) {
       showError(t("bizCompare.needSheets"));
       return;
     }
+    if (jobHasActiveRun) {
+      showError(t("bizCompare.compareAlreadyRunning"));
+      setJobDetailTab("runs");
+      return;
+    }
     setBusy(true);
     try {
       await bizCompareUpdateJob(jobId, jobConfigBody());
       // Async enqueue — returns immediately with status=running; poll below.
       const run = await bizCompareRunJob(jobId);
       setRunDetail(run);
-      setJobDetailTab("result");
+      setJobDetailTab("runs");
       showOk(t("bizCompare.runStarted"));
-      const r = await bizCompareListRuns(jobId);
+      const r = await bizCompareListRuns(jobId, 50);
       setRuns(r.items || []);
       await refresh({ force: true });
     } catch (e) {
       showError(formatErr(e));
+      setJobDetailTab("runs");
     } finally {
       setBusy(false);
     }
   };
-
-  const runStatus = String(runDetail?.status || "");
-  const runIsActive = runStatus === "running" || runStatus === "queued";
   const runProgress = (runDetail?.summary?.progress || {}) as {
     phase?: string;
     sheet_index?: number;
@@ -1906,6 +1919,9 @@ export function BizComparePage({ pageMode = "all" }: { pageMode?: BizComparePage
         } else if (!notified && st === "failed") {
           notified = true;
           showError(String(d.message || t("bizCompare.runFailed")));
+        } else if (!notified && st === "cancelled") {
+          notified = true;
+          showError(String(d.message || t("bizCompare.runCancelled")));
         }
       } catch (e) {
         if (!cancelled) showError(formatErr(e));
@@ -1919,6 +1935,31 @@ export function BizComparePage({ pageMode = "all" }: { pageMode?: BizComparePage
     };
   }, [runDetail?.id, runIsActive, jobId, showOk, showError, t]);
 
+  // Keep the runs list fresh while any batch on this job is active
+  useEffect(() => {
+    if (!jobId || !jobHasActiveRun || jobDetailTab !== "runs") return;
+    let cancelled = false;
+    const tick = async () => {
+      try {
+        const r = await bizCompareListRuns(jobId, 50);
+        if (!cancelled) setRuns(r.items || []);
+        const curId = String(runDetail?.id || "");
+        if (curId) {
+          const d = await bizCompareGetRun(curId);
+          if (!cancelled) setRunDetail(d);
+        }
+      } catch {
+        /* ignore list poll errors */
+      }
+    };
+    void tick();
+    const id = window.setInterval(() => void tick(), 2500);
+    return () => {
+      cancelled = true;
+      window.clearInterval(id);
+    };
+  }, [jobId, jobHasActiveRun, jobDetailTab, runDetail?.id]);
+
   const loadRun = async (runId: string) => {
     try {
       const d = await bizCompareGetRun(runId);
@@ -1931,6 +1972,25 @@ export function BizComparePage({ pageMode = "all" }: { pageMode?: BizComparePage
     }
   };
 
+  const cancelRun = async (runId: string) => {
+    if (!runId) return;
+    if (!window.confirm(t("bizCompare.confirmCancelRun"))) return;
+    setBusy(true);
+    try {
+      const d = await bizCompareCancelRun(runId);
+      if (String(runDetail?.id || "") === runId) setRunDetail(d);
+      if (jobId) {
+        const r = await bizCompareListRuns(jobId, 50);
+        setRuns(r.items || []);
+      }
+      showOk(t("bizCompare.runCancelled"));
+    } catch (e) {
+      showError(formatErr(e));
+    } finally {
+      setBusy(false);
+    }
+  };
+
   const removeRun = async (runId: string) => {
     if (!runId) return;
     if (!window.confirm(t("bizCompare.confirmDeleteRun"))) return;
@@ -1940,19 +2000,16 @@ export function BizComparePage({ pageMode = "all" }: { pageMode?: BizComparePage
       await bizCompareDeleteRun(runId);
       let nextRuns: typeof runs = [];
       if (jobId) {
-        const r = await bizCompareListRuns(jobId);
+        const r = await bizCompareListRuns(jobId, 50);
         nextRuns = r.items || [];
       } else {
         nextRuns = (runs || []).filter((r) => String(r.id) !== runId);
       }
       setRuns(nextRuns);
       if (wasCurrent) {
-        if (nextRuns.length) {
-          await loadRun(String(nextRuns[0].id));
-        } else {
-          setRunDetail(null);
-          setResultSheetId("");
-        }
+        setRunDetail(null);
+        setResultSheetId("");
+        setJobDetailTab("runs");
       }
       showOk(t("bizCompare.runDeleted"));
     } catch (e) {
@@ -2864,6 +2921,18 @@ export function BizComparePage({ pageMode = "all" }: { pageMode?: BizComparePage
             >
               {t("bizCompare.tabConfig")}
             </Button>
+            <Button
+              size="sm"
+              variant={jobDetailTab === "runs" ? "primary" : "secondary"}
+              className={jobDetailTab === "runs" ? "is-active" : undefined}
+              onPress={() => {
+                setJobDetailTab("runs");
+                if (jobId) void bizCompareListRuns(jobId, 50).then((r) => setRuns(r.items || []));
+              }}
+            >
+              {t("bizCompare.tabRuns")}
+              {runs.length ? ` (${runs.length})` : ""}
+            </Button>
             <Button
               size="sm"
               variant={jobDetailTab === "result" ? "primary" : "secondary"}
@@ -2876,6 +2945,156 @@ export function BizComparePage({ pageMode = "all" }: { pageMode?: BizComparePage
 
           {jobDetailTab === "config" ? (
             renderJobForm()
+          ) : jobDetailTab === "runs" ? (
+            <div className="bs-cmp-runs">
+              <div className="btn-row" style={{ marginBottom: 8, justifyContent: "space-between" }}>
+                <p className="muted bm-hint" style={{ margin: 0 }}>
+                  {t("bizCompare.runsHint")}
+                </p>
+                <Button
+                  size="sm"
+                  variant="primary"
+                  isDisabled={busy || jobHasActiveRun}
+                  onPress={() => void runNow()}
+                >
+                  {jobHasActiveRun ? t("bizCompare.runStatusRunning") : t("bizCompare.runNow")}
+                </Button>
+              </div>
+              {!runs.length ? (
+                <div className="pt-list-empty">{t("bizCompare.noRuns")}</div>
+              ) : (
+                <div className="table-wrap">
+                  <table className="data-table">
+                    <thead>
+                      <tr>
+                        <th>{t("bizCompare.colStatus")}</th>
+                        <th>{t("bizCompare.colTime")}</th>
+                        <th>{t("bizCompare.sidesTitle")}</th>
+                        <th>{t("bizCompare.colResult")}</th>
+                        <th>{t("bizCompare.colActions")}</th>
+                      </tr>
+                    </thead>
+                    <tbody>
+                      {runs.map((r) => {
+                        const st = String((r as any).status || "");
+                        const active = st === "running" || st === "queued";
+                        const selected = String(runDetail?.id || "") === String(r.id);
+                        const before = enrichSide(
+                          (r as any).before,
+                          beforeTaskId,
+                          tasks,
+                          beforeBatches,
+                        );
+                        const after = enrichSide(
+                          (r as any).after,
+                          afterTaskId || beforeTaskId,
+                          tasks,
+                          afterBatches.length ? afterBatches : beforeBatches,
+                        );
+                        const when = formatSystemTime((r as any).created_at) || "—";
+                        const sum = ((r as any).summary || {}) as Record<string, number>;
+                        const fail =
+                          Number(sum.removed || 0) + Number(sum.changed || 0);
+                        const ok = Number(sum.unchanged || 0);
+                        const durMs = Number(sum.duration_ms || 0);
+                        const prog = ((r as any).progress || {}) as {
+                          phase?: string;
+                          sheet_index?: number;
+                          sheet_total?: number;
+                          sheet_title?: string;
+                          rows_loaded?: number;
+                          load_side?: string;
+                        };
+                        const stLabel =
+                          st === "running" || st === "queued"
+                            ? t("bizCompare.runStatusRunning")
+                            : st === "failed"
+                              ? t("bizCompare.runStatusFailed")
+                              : st === "cancelled"
+                                ? t("bizCompare.runStatusCancelled")
+                                : t("bizCompare.runStatusDoneSec", {
+                                    s: String(durMs > 0 ? Math.round(durMs / 1000) : 0),
+                                  });
+                        return (
+                          <tr key={String(r.id)} className={selected ? "is-selected" : undefined}>
+                            <td>
+                              <NmStatusChip color={jobChipColor(st)}>{stLabel}</NmStatusChip>
+                              {active && prog.phase ? (
+                                <div className="muted" style={{ fontSize: "0.75rem", marginTop: 4 }}>
+                                  {prog.phase}
+                                  {prog.sheet_total
+                                    ? ` · ${prog.sheet_index || 0}/${prog.sheet_total}`
+                                    : ""}
+                                  {prog.sheet_title ? ` · ${prog.sheet_title}` : ""}
+                                  {Number(prog.rows_loaded || 0) > 0
+                                    ? ` · ${prog.load_side || ""} ${prog.rows_loaded}`
+                                    : ""}
+                                </div>
+                              ) : null}
+                              {(r as any).message ? (
+                                <div
+                                  className="muted"
+                                  style={{ fontSize: "0.75rem", marginTop: 2 }}
+                                  title={String((r as any).message)}
+                                >
+                                  {String((r as any).message).slice(0, 80)}
+                                </div>
+                              ) : null}
+                            </td>
+                            <td>{when}</td>
+                            <td>
+                              {sideDeviceName(before)} {sideCollectTime(before)}
+                              {" → "}
+                              {sideDeviceName(after)} {sideCollectTime(after)}
+                            </td>
+                            <td>
+                              {active
+                                ? "…"
+                                : t("bizCompare.runBatchSummary", {
+                                    fail: String(fail),
+                                    ok: String(ok),
+                                    added: String(Number(sum.added || 0)),
+                                  })}
+                            </td>
+                            <td>
+                              <div className="btn-row">
+                                <Button
+                                  size="sm"
+                                  variant="secondary"
+                                  isDisabled={busy || active}
+                                  onPress={() => void loadRun(String(r.id))}
+                                >
+                                  {t("bizCompare.viewResult")}
+                                </Button>
+                                {active ? (
+                                  <Button
+                                    size="sm"
+                                    variant="danger"
+                                    isDisabled={busy}
+                                    onPress={() => void cancelRun(String(r.id))}
+                                  >
+                                    {t("bizCompare.cancelRun")}
+                                  </Button>
+                                ) : (
+                                  <Button
+                                    size="sm"
+                                    variant="danger"
+                                    isDisabled={busy}
+                                    onPress={() => void removeRun(String(r.id))}
+                                  >
+                                    {t("bizCompare.deleteRun")}
+                                  </Button>
+                                )}
+                              </div>
+                            </td>
+                          </tr>
+                        );
+                      })}
+                    </tbody>
+                  </table>
+                </div>
+              )}
+            </div>
           ) : (
             <div
               ref={boardRef}
@@ -3536,10 +3755,10 @@ export function BizComparePage({ pageMode = "all" }: { pageMode?: BizComparePage
               <Button
                 size="sm"
                 variant="primary"
-                isDisabled={busy || runIsActive}
+                isDisabled={busy || jobHasActiveRun}
                 onPress={() => void runNow()}
               >
-                {runIsActive ? t("bizCompare.runStatusRunning") : t("bizCompare.runNow")}
+                {jobHasActiveRun ? t("bizCompare.runStatusRunning") : t("bizCompare.runNow")}
               </Button>
               {jobId ? (
                 <Button size="sm" variant="danger" isDisabled={busy} onPress={() => void removeJob(jobId)}>
@@ -3547,12 +3766,21 @@ export function BizComparePage({ pageMode = "all" }: { pageMode?: BizComparePage
                 </Button>
               ) : null}
             </>
+          ) : jobDetailTab === "runs" ? (
+            <Button
+              size="sm"
+              variant="primary"
+              isDisabled={busy || jobHasActiveRun}
+              onPress={() => void runNow()}
+            >
+              {jobHasActiveRun ? t("bizCompare.runStatusRunning") : t("bizCompare.runNow")}
+            </Button>
           ) : (
             <>
               <Button
                 size="sm"
                 variant="secondary"
-                isDisabled={busy || !runDetail?.id}
+                isDisabled={busy || runIsActive || !runDetail?.id}
                 onPress={() => void downloadRunTables()}
               >
                 {t("bizCompare.exportTables")}
@@ -3568,10 +3796,10 @@ export function BizComparePage({ pageMode = "all" }: { pageMode?: BizComparePage
               <Button
                 size="sm"
                 variant="primary"
-                isDisabled={busy || runIsActive}
+                isDisabled={busy || jobHasActiveRun}
                 onPress={() => void runNow()}
               >
-                {runIsActive ? t("bizCompare.runStatusRunning") : t("bizCompare.runNow")}
+                {jobHasActiveRun ? t("bizCompare.runStatusRunning") : t("bizCompare.runNow")}
               </Button>
             </>
           )}
diff --git a/web/src/services/api.ts b/web/src/services/api.ts
index be84ad7..d3b22f8 100644
--- a/web/src/services/api.ts
+++ b/web/src/services/api.ts
@@ -2154,6 +2154,12 @@ export const bizCompareListRuns = (jobId: string, limit = 20) =>
 export const bizCompareGetRun = (runId: string) =>
   apiGet<Record<string, unknown>>(`/v1/biz-state/compare/runs/${encodeURIComponent(runId)}`);
 
+export const bizCompareCancelRun = (runId: string) =>
+  apiPost<Record<string, unknown>>(
+    `/v1/biz-state/compare/runs/${encodeURIComponent(runId)}/cancel`,
+    {},
+  );
+
 export const bizCompareDeleteRun = (runId: string) =>
   apiDelete<{ ok: boolean; job_id?: string; run_id?: string }>(
     `/v1/biz-state/compare/runs/${encodeURIComponent(runId)}`,