diff --git a/netx_api/biz_state/discover.py b/netx_api/biz_state/discover.py
index 4f6f894..6beb9ec 100644
--- a/netx_api/biz_state/discover.py
+++ b/netx_api/biz_state/discover.py
@@ -1,7 +1,13 @@
-"""One-shot discover for placeholder candidates (VRF list, etc.)."""
+"""One-shot discover for placeholder candidates (VRF list, etc.).
+
+Same NE + discover profile reuses CLI/parse results within a TTL so binding
+multiple AF monitor items (vpnv4/vpnv6/VRF) does not re-login the device.
+"""
 
 from __future__ import annotations
 
+import threading
+import time
 from typing import Any
 
 from fastapi import HTTPException
@@ -21,6 +27,81 @@ from .command_match import (
 from .parsers import get_parser, run_parser
 from .profiles import get_profile
 
+# Process-local cache: (source, ne_id, discover_profile_id) → parsed rows.
+# Binding UI opens many collect profiles that share config_vrf / config_bgp_peer.
+_CACHE_LOCK = threading.Lock()
+_DISCOVER_CACHE: dict[str, dict[str, Any]] = {}
+_DISCOVER_CACHE_TTL_SEC = 1800  # 30 min — covers a typical bind session
+
+
+def _cache_key(source: str, ne_id: str, discover_profile_id: str) -> str:
+    return f"{source}|{ne_id}|{discover_profile_id}"
+
+
+def clear_discover_cache(
+    *,
+    source: str = "",
+    ne_id: str = "",
+    discover_profile_id: str = "",
+) -> int:
+    """Drop cache entries; empty args clear all. Returns removed count."""
+    src = str(source or "").strip().lower()
+    nid = str(ne_id or "").strip()
+    pid = str(discover_profile_id or "").strip()
+    with _CACHE_LOCK:
+        if not src and not nid and not pid:
+            n = len(_DISCOVER_CACHE)
+            _DISCOVER_CACHE.clear()
+            return n
+        drop = [
+            k
+            for k, v in _DISCOVER_CACHE.items()
+            if (not src or v.get("source") == src)
+            and (not nid or v.get("ne_id") == nid)
+            and (not pid or v.get("discover_profile_id") == pid)
+        ]
+        for k in drop:
+            _DISCOVER_CACHE.pop(k, None)
+        return len(drop)
+
+
+def _cache_get(key: str) -> dict[str, Any] | None:
+    now = time.time()
+    with _CACHE_LOCK:
+        hit = _DISCOVER_CACHE.get(key)
+        if not hit:
+            return None
+        if float(hit.get("expires_at") or 0) <= now:
+            _DISCOVER_CACHE.pop(key, None)
+            return None
+        return dict(hit)
+
+
+def _cache_put(
+    key: str,
+    *,
+    source: str,
+    ne_id: str,
+    discover_profile_id: str,
+    command: str,
+    vendor: str,
+    device_type: str,
+    records: list[dict[str, Any]],
+    raw_preview: str,
+) -> None:
+    with _CACHE_LOCK:
+        _DISCOVER_CACHE[key] = {
+            "source": source,
+            "ne_id": ne_id,
+            "discover_profile_id": discover_profile_id,
+            "command": command,
+            "vendor": vendor,
+            "device_type": device_type,
+            "records": list(records),
+            "raw_preview": raw_preview,
+            "expires_at": time.time() + _DISCOVER_CACHE_TTL_SEC,
+        }
+
 
 def resolve_discover_profile(
     *,
@@ -56,6 +137,7 @@ def discover_params(
     discover_profile_id: str = "",
     collect_profile_id: str = "",
     placeholder: str = "",
+    force_refresh: bool = False,
 ) -> dict[str, Any]:
     src = str(source or "managed").strip().lower() or "managed"
     nid = str(ne_id or "").strip()
@@ -94,69 +176,97 @@ def discover_params(
             value_field = str(active_ph.discover_value_field or active_ph.name or value_field)
             label_field = str(active_ph.discover_label_field or label_field)
 
-    try:
-        if src == "managed":
-            creds, info = resolve_cli_target(db, managed_ne_id=nid)
-        elif src == "ume":
-            creds, info = resolve_cli_target(db, ume_ne_id=nid)
-        else:
-            raise HTTPException(status_code=400, detail="invalid_source")
-    except HTTPException:
-        raise
-    except Exception as exc:
-        raise HTTPException(status_code=400, detail=f"resolve_failed: {exc}") from exc
-
-    skip = cli_creds_skip_reason(creds, interactive=False)
-    if skip:
-        raise HTTPException(status_code=400, detail=skip)
-
-    vendor = str(info.get("vendor") or creds.get("vendor") or "")
-    device_type = str(info.get("device_type") or creds.get("device_type") or "")
+    cache_key = _cache_key(src, nid, disc.profile_id)
+    cache_hit = False
+    vendor = ""
+    device_type = ""
     command = str(disc.command_template or "").strip()
-    per_cmd = int(settings.ne_collect_read_timeout_sec or 120)
     raw = ""
-    try:
-        conn = open_netmiko_connection(creds, session_timeout=per_cmd + 60)
-        try:
-            try:
-                disable_target_paging(conn, vendor=vendor, device_type=device_type)
-            except Exception:
-                pass
-            raw = send_show_command(conn, command, read_timeout=per_cmd)
-        finally:
-            close_netmiko_connection(conn)
-    except Exception as exc:
-        return {
-            "ok": False,
-            "error": f"cli_failed: {exc}",
-            "discover_profile_id": disc.profile_id,
-            "command": command,
-            "candidates": [],
-            "raw_preview": str(raw or "")[:4000],
-        }
-
     records: list[dict[str, Any]] = []
-    if get_parser(disc.parser_id):
+
+    cached = None if force_refresh else _cache_get(cache_key)
+    if cached:
+        cache_hit = True
+        records = list(cached.get("records") or [])
+        command = str(cached.get("command") or command)
+        vendor = str(cached.get("vendor") or "")
+        device_type = str(cached.get("device_type") or "")
+        raw = str(cached.get("raw_preview") or "")
+    else:
         try:
-            records, _fsm_tables, _rule_keys = run_parser(
-                disc.parser_id,
-                raw_text=raw,
-                vendor=vendor,
-                device_type=device_type,
-                command=disc.textfsm_command or command,
-                params={},
-                textfsm_command=disc.textfsm_command or "",
-            )
+            if src == "managed":
+                creds, info = resolve_cli_target(db, managed_ne_id=nid)
+            elif src == "ume":
+                creds, info = resolve_cli_target(db, ume_ne_id=nid)
+            else:
+                raise HTTPException(status_code=400, detail="invalid_source")
+        except HTTPException:
+            raise
+        except Exception as exc:
+            raise HTTPException(status_code=400, detail=f"resolve_failed: {exc}") from exc
+
+        skip = cli_creds_skip_reason(creds, interactive=False)
+        if skip:
+            raise HTTPException(status_code=400, detail=skip)
+
+        vendor = str(info.get("vendor") or creds.get("vendor") or "")
+        device_type = str(info.get("device_type") or creds.get("device_type") or "")
+        per_cmd = int(settings.ne_collect_read_timeout_sec or 120)
+        try:
+            conn = open_netmiko_connection(creds, session_timeout=per_cmd + 60)
+            try:
+                try:
+                    disable_target_paging(conn, vendor=vendor, device_type=device_type)
+                except Exception:
+                    pass
+                raw = send_show_command(conn, command, read_timeout=per_cmd)
+            finally:
+                close_netmiko_connection(conn)
         except Exception as exc:
             return {
                 "ok": False,
-                "error": f"parse_failed: {exc}",
+                "error": f"cli_failed: {exc}",
                 "discover_profile_id": disc.profile_id,
                 "command": command,
+                "cache_hit": False,
                 "candidates": [],
                 "raw_preview": str(raw or "")[:4000],
             }
 
+        if get_parser(disc.parser_id):
+            try:
+                records, _fsm_tables, _rule_keys = run_parser(
+                    disc.parser_id,
+                    raw_text=raw,
+                    vendor=vendor,
+                    device_type=device_type,
+                    command=disc.textfsm_command or command,
+                    params={},
+                    textfsm_command=disc.textfsm_command or "",
+                )
+            except Exception as exc:
+                return {
+                    "ok": False,
+                    "error": f"parse_failed: {exc}",
+                    "discover_profile_id": disc.profile_id,
+                    "command": command,
+                    "cache_hit": False,
+                    "candidates": [],
+                    "raw_preview": str(raw or "")[:4000],
+                }
+
+        _cache_put(
+            cache_key,
+            source=src,
+            ne_id=nid,
+            discover_profile_id=disc.profile_id,
+            command=command,
+            vendor=vendor,
+            device_type=device_type,
+            records=records,
+            raw_preview=str(raw or "")[:4000],
+        )
+
     candidates = []
     seen: set[str] = set()
     # Shared discover profile → one candidate per (placeholder fields) tuple.
@@ -164,7 +274,6 @@ def discover_params(
         filter_ph = pair_phs[0]
         for rec in records:
             if not _record_passes_discover_filter(rec, filter_ph):
-                # Also require every paired field non-empty.
                 continue
             bind: dict[str, str] = {}
             ok = True
@@ -240,6 +349,7 @@ def discover_params(
         "vendor_key": resolve_vendor_key(vendor, device_type),
         "value_field": value_field,
         "pair_mode": bool(pair_phs and len(pair_phs) >= 2),
+        "cache_hit": cache_hit,
         "candidates": candidates,
         "raw_preview": str(raw or "")[:4000],
     }
diff --git a/netx_api/biz_state_router.py b/netx_api/biz_state_router.py
index 9f330f9..0b070d3 100644
--- a/netx_api/biz_state_router.py
+++ b/netx_api/biz_state_router.py
@@ -85,6 +85,7 @@ class DiscoverIn(BaseModel):
     discover_profile_id: str = ""
     collect_profile_id: str = ""
     placeholder: str = ""
+    force_refresh: bool = False
 
 
 class BindingsIn(BaseModel):
@@ -139,6 +140,7 @@ def api_discover(body: DiscoverIn, db: Session = Depends(get_db)) -> dict[str, A
         discover_profile_id=body.discover_profile_id,
         collect_profile_id=body.collect_profile_id,
         placeholder=body.placeholder,
+        force_refresh=bool(body.force_refresh),
     )
 
 
diff --git a/tests/test_biz_state_discover_cache.py b/tests/test_biz_state_discover_cache.py
new file mode 100644
index 0000000..c096a41
--- /dev/null
+++ b/tests/test_biz_state_discover_cache.py
@@ -0,0 +1,91 @@
+"""Discover CLI/parse cache reuse across collect profiles."""
+
+from __future__ import annotations
+
+import unittest
+from unittest.mock import MagicMock, patch
+
+from netx_api.biz_state import discover as disc_mod
+from netx_api.biz_state.discover import clear_discover_cache, discover_params
+from netx_api.biz_state.profiles import get_profile
+
+
+class DiscoverCacheTests(unittest.TestCase):
+    def setUp(self) -> None:
+        clear_discover_cache()
+
+    def tearDown(self) -> None:
+        clear_discover_cache()
+
+    def test_shared_bgp_peer_discover_reuses_cli(self) -> None:
+        v4 = get_profile("zte.bgp_vpnv4_neighbor_in")
+        v6 = get_profile("zte.bgp_vpnv6_neighbor_in")
+        assert v4 is not None and v6 is not None
+        self.assertEqual(v4.placeholders[0].discover_profile_id, "zte.config_bgp_peer")
+        self.assertEqual(v6.placeholders[0].discover_profile_id, "zte.config_bgp_peer")
+
+        records = [
+            {"afi": "vpnv4", "vrf": "", "neighbor": "10.0.0.1", "remote_as": "65001"},
+            {"afi": "vpnv6", "vrf": "", "neighbor": "FC00::1", "remote_as": "65002"},
+        ]
+        db = MagicMock()
+
+        with (
+            patch.object(disc_mod, "resolve_cli_target", return_value=({"vendor": "zte"}, {"vendor": "zte", "device_type": "zte_zxros"})),
+            patch.object(disc_mod, "cli_creds_skip_reason", return_value=None),
+            patch.object(disc_mod, "open_netmiko_connection", return_value=MagicMock()) as open_conn,
+            patch.object(disc_mod, "disable_target_paging"),
+            patch.object(disc_mod, "send_show_command", return_value="raw-bgp") as send_cmd,
+            patch.object(disc_mod, "close_netmiko_connection"),
+            patch.object(disc_mod, "get_parser", return_value=True),
+            patch.object(
+                disc_mod,
+                "run_parser",
+                return_value=(records, {}, ()),
+            ) as run_parser,
+        ):
+            first = discover_params(
+                db,
+                source="managed",
+                ne_id="ne1",
+                collect_profile_id="zte.bgp_vpnv4_neighbor_in",
+                placeholder="neighbor",
+            )
+            self.assertTrue(first["ok"])
+            self.assertFalse(first.get("cache_hit"))
+            self.assertEqual([c["value"] for c in first["candidates"]], ["10.0.0.1"])
+            self.assertEqual(open_conn.call_count, 1)
+            self.assertEqual(send_cmd.call_count, 1)
+            self.assertEqual(run_parser.call_count, 1)
+
+            second = discover_params(
+                db,
+                source="managed",
+                ne_id="ne1",
+                collect_profile_id="zte.bgp_vpnv6_neighbor_in",
+                placeholder="neighbor",
+            )
+            self.assertTrue(second["ok"])
+            self.assertTrue(second.get("cache_hit"))
+            self.assertEqual([c["value"] for c in second["candidates"]], ["FC00::1"])
+            # Same discover profile → no second SSH/parse
+            self.assertEqual(open_conn.call_count, 1)
+            self.assertEqual(send_cmd.call_count, 1)
+            self.assertEqual(run_parser.call_count, 1)
+
+            forced = discover_params(
+                db,
+                source="managed",
+                ne_id="ne1",
+                collect_profile_id="zte.bgp_vpnv4_neighbor_in",
+                placeholder="neighbor",
+                force_refresh=True,
+            )
+            self.assertTrue(forced["ok"])
+            self.assertFalse(forced.get("cache_hit"))
+            self.assertEqual(open_conn.call_count, 2)
+            self.assertEqual(send_cmd.call_count, 2)
+
+
+if __name__ == "__main__":
+    unittest.main()
diff --git a/web/src/i18n/en.ts b/web/src/i18n/en.ts
index 55529af..aee1d86 100644
--- a/web/src/i18n/en.ts
+++ b/web/src/i18n/en.ts
@@ -239,11 +239,14 @@ const en = {
     bindTitle: "Select bindings",
     unbound: "Not bound",
     bindHintRequired: "Bind params before collect",
-    paramsDblClickHint: "Double-click to view all bindings",
+    paramsDblClickHint: "Click to view all bindings",
+    paramsClickHint: "Click to view all bindings",
     paramsDetailTitle: "Bound parameters",
     paramsDetailCount: "{{n}} binding(s)",
     discoverLoading: "Discovering…",
     discoverEmpty: "No candidates discovered",
+    discoverCacheHit: "reused (no re-login)",
+    discoverRefresh: "Refresh from device",
     selectAllVrfs: "Select all",
     deselectAllVrfs: "Deselect all",
     batches: "Batches",
diff --git a/web/src/i18n/zh.ts b/web/src/i18n/zh.ts
index 616b9d4..a85b490 100644
--- a/web/src/i18n/zh.ts
+++ b/web/src/i18n/zh.ts
@@ -239,11 +239,14 @@ const zh = {
     bindTitle: "选择参数关联",
     unbound: "未关联",
     bindHintRequired: "需关联参数后才可采集",
-    paramsDblClickHint: "双击查看全部关联明细",
+    paramsDblClickHint: "单击查看全部关联明细",
+    paramsClickHint: "单击查看全部关联明细",
     paramsDetailTitle: "参数关联明细",
     paramsDetailCount: "共 {{n}} 条",
     discoverLoading: "正在发现…",
     discoverEmpty: "未发现可用选项",
+    discoverCacheHit: "已复用（未重新登录）",
+    discoverRefresh: "重新从设备拉取",
     selectAllVrfs: "全选",
     deselectAllVrfs: "取消全选",
     batches: "采集批次",
diff --git a/web/src/index.css b/web/src/index.css
index 4149236..3070e8a 100644
--- a/web/src/index.css
+++ b/web/src/index.css
@@ -11292,28 +11292,44 @@ html.login-page--paused .login-page__flare {
 }
 
 .bs-profiles-table {
-  min-width: 1100px;
+  min-width: 1280px;
   table-layout: fixed;
+  border-collapse: separate;
+  border-spacing: 0;
+}
+
+.bs-profiles-table thead th {
+  position: sticky;
+  top: 0;
+  z-index: 3;
+  background: rgba(15, 23, 42, 0.97);
+  box-shadow: 0 1px 0 rgba(148, 163, 184, 0.25);
 }
 
 .bs-profiles-table th:nth-child(1),
 .bs-profiles-table td:nth-child(1) {
-  width: 56px;
+  width: 52px;
 }
 
 .bs-profiles-table th:nth-child(2),
 .bs-profiles-table td:nth-child(2) {
-  width: 28%;
+  width: 24%;
 }
 
 .bs-profiles-table th:nth-child(3),
 .bs-profiles-table td:nth-child(3) {
-  width: 180px;
+  width: 34%;
+  min-width: 320px;
 }
 
 .bs-profiles-table th:nth-child(4),
 .bs-profiles-table td:nth-child(4) {
-  width: 110px;
+  width: 120px;
+}
+
+.bs-profiles-table th:nth-child(5),
+.bs-profiles-table td:nth-child(5) {
+  width: auto;
 }
 
 .bs-profiles-table .bs-cmd-cell {
diff --git a/web/src/pages/network/BizStatePage.tsx b/web/src/pages/network/BizStatePage.tsx
index b201843..8b92121 100644
--- a/web/src/pages/network/BizStatePage.tsx
+++ b/web/src/pages/network/BizStatePage.tsx
@@ -246,6 +246,7 @@ export function BizStatePage() {
   const [discoverCmd, setDiscoverCmd] = useState("");
   const [discoverLoading, setDiscoverLoading] = useState(false);
   const [discoverError, setDiscoverError] = useState("");
+  const [discoverCacheHit, setDiscoverCacheHit] = useState(false);
 
   // Bound-params detail modal (double-click params cell)
   const [paramsDetail, setParamsDetail] = useState<{
@@ -775,10 +776,11 @@ export function BizStatePage() {
     setSelectedVrfs([]);
     setDiscoverCmd("");
     setDiscoverError("");
+    setDiscoverCacheHit(false);
     setDiscoverLoading(false);
   };
 
-  const startDiscover = async (item: any) => {
+  const startDiscover = async (item: any, forceRefresh = false) => {
     if (!taskId) return;
     const prof = profiles.find((p) => p.profile_id === item.source_profile_id);
     const phs = prof?.placeholders || [];
@@ -792,6 +794,7 @@ export function BizStatePage() {
     setSelectedVrfs([]);
     setDiscoverCmd("");
     setDiscoverError("");
+    setDiscoverCacheHit(false);
     setDiscoverLoading(true);
     setBusy(true);
     try {
@@ -801,6 +804,7 @@ export function BizStatePage() {
         task_id: taskId,
         collect_profile_id: item.source_profile_id,
         placeholder: sharedDisc ? "" : ph.name,
+        force_refresh: forceRefresh,
       });
       if (!res.ok) {
         const err = res.error || t("bizState.discoverFailed");
@@ -809,6 +813,7 @@ export function BizStatePage() {
         return;
       }
       setDiscoverCmd(res.command || "");
+      setDiscoverCacheHit(Boolean(res.cache_hit));
       const cand = (res.candidates || []) as Candidate[];
       setCandidates(cand);
       const existing = (item.bindings || []) as { placeholder?: string; value?: string }[];
@@ -1459,10 +1464,10 @@ export function BizStatePage() {
                                 }${bindLines.length ? " bs-params-scroll--clickable" : ""}`}
                                 title={
                                   bindLines.length
-                                    ? `${bindHint}\n${t("bizState.paramsDblClickHint")}`
+                                    ? `${bindHint}\n${t("bizState.paramsClickHint")}`
                                     : bindHint
                                 }
-                                onDoubleClick={() => {
+                                onClick={() => {
                                   if (!bindLines.length) return;
                                   setParamsDetail({
                                     title: prof.title,
@@ -1689,6 +1694,7 @@ export function BizStatePage() {
             <p className="muted">
               <code>{discoverCmd}</code>
               {candidates.length ? ` · ${selectedVrfs.length}/${candidates.length}` : null}
+              {discoverCacheHit ? ` · ${t("bizState.discoverCacheHit")}` : null}
             </p>
           ) : null}
           {discoverError ? <p className="bs-params-warn">{discoverError}</p> : null}
@@ -1711,6 +1717,19 @@ export function BizStatePage() {
                     ? t("bizState.deselectAllVrfs")
                     : t("bizState.selectAllVrfs")}
                 </Button>
+                {bindItemId ? (
+                  <Button
+                    size="sm"
+                    variant="ghost"
+                    isDisabled={busy || discoverLoading}
+                    onPress={() => {
+                      const item = (detail?.items || []).find((it: any) => it.id === bindItemId);
+                      if (item) void startDiscover(item, true);
+                    }}
+                  >
+                    {t("bizState.discoverRefresh")}
+                  </Button>
+                ) : null}
               </div>
               <div className="bs-bind-list bs-bind-list--modal">
                 {candidates.map((c) => (
diff --git a/web/src/services/api.ts b/web/src/services/api.ts
index ef451f4..045f294 100644
--- a/web/src/services/api.ts
+++ b/web/src/services/api.ts
@@ -1777,7 +1777,16 @@ export const bizStateDiscover = (body: Record<string, unknown>) =>
     ok: boolean;
     error?: string;
     command?: string;
-    candidates?: Array<{ value: string; label: string; rd?: string; protocols?: string }>;
+    cache_hit?: boolean;
+    pair_mode?: boolean;
+    discover_profile_id?: string;
+    candidates?: Array<{
+      value: string;
+      label: string;
+      rd?: string;
+      protocols?: string;
+      bindings?: Record<string, string>;
+    }>;
     raw_preview?: string;
   }>("/v1/biz-state/discover", body);