diff --git a/backend/api/routes/data_management.py b/backend/api/routes/data_management.py
index 953b681..2e1cd9c 100644
--- a/backend/api/routes/data_management.py
+++ b/backend/api/routes/data_management.py
@@ -60,11 +60,46 @@ def _get_timestamp_range(period: Optional[str], start_date: Optional[str], end_d
     return start_ts, end_ts
 
 
+async def _get_active_symbols_from_income(binance_client, start_ms: int, end_ms: int) -> list:
+    """
+    通过收益历史 API 获取该时间段内有交易活动的交易对，避免全量遍历 250+ 交易对。
+    一次 API 调用（weight 100）即可拿到有成交/盈亏的 symbol 列表，大幅减少后续 trades/orders 的请求数。
+    """
+    try:
+        symbols = set()
+        current_end = end_ms
+        for _ in range(10):  # 最多分页 10 次（单次最多 1000 条）
+            rows = await binance_client.futures_income_history(
+                startTime=start_ms,
+                endTime=current_end,
+                limit=1000,
+                recvWindow=20000,
+            )
+            if not rows:
+                break
+            for r in rows:
+                sym = (r.get("symbol") or "").strip()
+                if sym and sym.endswith("USDT"):
+                    symbols.add(sym)
+            if len(rows) < 1000:
+                break
+            oldest = min(r.get("time", current_end) for r in rows)
+            current_end = oldest - 1
+            if current_end < start_ms:
+                break
+            await asyncio.sleep(0.15)
+        return sorted(symbols)
+    except Exception:
+        return []
+
+
 @router.get("/accounts")
-async def list_accounts(_admin=Depends(get_admin_user)):
-    """获取所有账号列表，供数据管理选择"""
+async def list_accounts(_admin=Depends(get_admin_user), active_only: bool = Query(False)):
+    """获取账号列表，供数据管理选择。active_only=true 时仅返回 status=active 的账号"""
     rows = Account.list_all()
     accounts = [{"id": r["id"], "name": r.get("name") or f"Account {r['id']}", "status": r.get("status") or "active"} for r in (rows or [])]
+    if active_only:
+        accounts = [a for a in accounts if (a.get("status") or "").lower() == "active"]
     return {"accounts": accounts}
 
 
@@ -114,9 +149,9 @@ async def query_db_trades(
 async def fetch_binance_data(
     _admin=Depends(get_admin_user),
     account_id: int = Query(..., ge=1),
-    symbols: str = Query(..., description="交易对，逗号分隔，如 ASTERUSDT,FILUSDT"),
+    symbols: Optional[str] = Query(None, description="交易对，逗号分隔；留空则拉取该时间段内全部交易对的订单/成交"),
     data_type: str = Query("trades", description="orders 或 trades"),
-    days: int = Query(7, ge=1, le=7),
+    days: int = Query(7, ge=0, le=7),
 ):
     """
     从币安拉取订单/成交记录（需账号已配置 API）
@@ -141,44 +176,67 @@ async def fetch_binance_data(
         raise HTTPException(status_code=502, detail=f"连接币安失败: {e}")
 
     try:
-        sym_list = [s.strip().upper() for s in symbols.split(",") if s.strip()]
+        now = datetime.now(BEIJING_TZ)
+        end_ms = int(now.timestamp() * 1000)
+        if days == 0:
+            today_start = now.replace(hour=0, minute=0, second=0, microsecond=0)
+            start_ms = int(today_start.timestamp() * 1000)
+        else:
+            start_ms = end_ms - days * 24 * 3600 * 1000
+
+        sym_list = [s.strip().upper() for s in (symbols or "").split(",") if s.strip()]
         if not sym_list:
-            raise HTTPException(status_code=400, detail="请指定至少一个交易对")
+            sym_list = await _get_active_symbols_from_income(client.client, start_ms, end_ms)
+            if not sym_list:
+                sym_list = await client.get_all_usdt_pairs()
+            if not sym_list:
+                raise HTTPException(status_code=500, detail="无法获取交易对列表，请手动指定交易对")
 
-        end_ms = int(datetime.now(BEIJING_TZ).timestamp() * 1000)
-        start_ms = end_ms - days * 24 * 3600 * 1000
+        sem = asyncio.Semaphore(5)
 
+        async def _fetch_one(sym: str):
+            async with sem:
+                try:
+                    if data_type == "trades":
+                        rows = await client.client.futures_account_trades(
+                            symbol=sym,
+                            startTime=start_ms,
+                            endTime=end_ms,
+                            limit=1000,
+                            recvWindow=20000,
+                        )
+                    else:
+                        rows = await client.client.futures_get_all_orders(
+                            symbol=sym,
+                            startTime=start_ms,
+                            endTime=end_ms,
+                            limit=1000,
+                            recvWindow=20000,
+                        )
+                    if isinstance(rows, list):
+                        for r in rows:
+                            r["_symbol"] = sym
+                        return rows
+                except Exception as e:
+                    return [{"_symbol": sym, "_error": str(e)}]
+                finally:
+                    await asyncio.sleep(0.12)
+
+        tasks = [_fetch_one(sym) for sym in sym_list]
+        chunks = await asyncio.gather(*tasks)
         all_data = []
-        for sym in sym_list:
-            try:
-                if data_type == "trades":
-                    rows = await client.client.futures_account_trades(
-                        symbol=sym,
-                        startTime=start_ms,
-                        endTime=end_ms,
-                        limit=1000,
-                        recvWindow=20000,
-                    )
-                else:
-                    rows = await client.client.futures_get_all_orders(
-                        symbol=sym,
-                        startTime=start_ms,
-                        endTime=end_ms,
-                        limit=1000,
-                        recvWindow=20000,
-                    )
-                if isinstance(rows, list):
-                    for r in rows:
-                        r["_symbol"] = sym
-                    all_data.extend(rows)
-            except Exception as e:
-                all_data.append({"_symbol": sym, "_error": str(e)})
-            await asyncio.sleep(0.2)
+        for ch in chunks:
+            all_data.extend(ch)
 
         time_key = "time" if (all_data and "time" in (all_data[0] or {})) else "updateTime"
         all_data.sort(key=lambda x: x.get(time_key, 0), reverse=True)
 
-        return {"total": len(all_data), "data_type": data_type, "data": all_data}
+        return {
+            "total": len(all_data),
+            "data_type": data_type,
+            "symbols_queried": len(sym_list),
+            "data": all_data,
+        }
     finally:
         if client.client:
             await client.client.close_connection()
diff --git a/frontend/src/components/DataManagement.jsx b/frontend/src/components/DataManagement.jsx
index 4f0d1f8..a20cf39 100644
--- a/frontend/src/components/DataManagement.jsx
+++ b/frontend/src/components/DataManagement.jsx
@@ -34,12 +34,16 @@ export default function DataManagement() {
   const [bnResult, setBnResult] = useState(null)
   const [bnError, setBnError] = useState('')
 
+  const activeAccounts = accounts.filter((a) => (a.status || 'active').toLowerCase() === 'active')
+
   useEffect(() => {
     api.getDataManagementAccounts().then((r) => {
       const list = Array.isArray(r?.accounts) ? r.accounts : (Array.isArray(r) ? r : [])
       setAccounts(list)
-      if (!dbAccountId && list.length) setDbAccountId(String(list[0].id))
-      if (!bnAccountId && list.length) setBnAccountId(String(list[0].id))
+      const active = list.filter((a) => (a.status || 'active').toLowerCase() === 'active')
+      const first = active[0] || list[0]
+      if (!dbAccountId && first) setDbAccountId(String(first.id))
+      if (!bnAccountId && first) setBnAccountId(String(first.id))
     }).catch(() => {})
   }, [])
 
@@ -68,21 +72,17 @@ export default function DataManagement() {
 
   const fetchBinance = async () => {
     const aid = parseInt(bnAccountId, 10)
-    const syms = bnSymbols.trim()
-    if (!aid || !syms) {
-      setBnError('请选择账号并输入交易对')
+    if (!aid) {
+      setBnError('请选择账号')
       return
     }
     setBnLoading(true)
     setBnError('')
     setBnResult(null)
     try {
-      const res = await api.postDataManagementFetchBinance({
-        account_id: aid,
-        symbols: syms,
-        data_type: bnDataType,
-        days: bnDays,
-      })
+      const params = { account_id: aid, data_type: bnDataType, days: bnDays }
+      if (bnSymbols.trim()) params.symbols = bnSymbols.trim()
+      const res = await api.postDataManagementFetchBinance(params)
       setBnResult(res)
     } catch (e) {
       setBnError(e?.message || '拉取失败')
@@ -119,7 +119,7 @@ export default function DataManagement() {
             账号
             <select value={dbAccountId} onChange={(e) => setDbAccountId(e.target.value)}>
               <option value="">请选择</option>
-              {accounts.map((a) => (
+              {activeAccounts.map((a) => (
                 <option key={a.id} value={a.id}>{a.name || `账号${a.id}`}</option>
               ))}
             </select>
@@ -200,14 +200,14 @@ export default function DataManagement() {
             账号
             <select value={bnAccountId} onChange={(e) => setBnAccountId(e.target.value)}>
               <option value="">请选择</option>
-              {accounts.map((a) => (
+              {activeAccounts.map((a) => (
                 <option key={a.id} value={a.id}>{a.name || `账号${a.id}`}</option>
               ))}
             </select>
           </label>
           <label>
             交易对
-            <input type="text" value={bnSymbols} onChange={(e) => setBnSymbols(e.target.value)} placeholder="ASTERUSDT,FILUSDT 逗号分隔" style={{ minWidth: 220 }} />
+            <input type="text" value={bnSymbols} onChange={(e) => setBnSymbols(e.target.value)} placeholder="留空=全部交易对，或逗号分隔如 ASTERUSDT,FILUSDT" style={{ minWidth: 280 }} />
           </label>
           <label>
             数据类型
@@ -217,8 +217,9 @@ export default function DataManagement() {
             </select>
           </label>
           <label>
-            最近天数
+            时间范围
             <select value={bnDays} onChange={(e) => setBnDays(Number(e.target.value))}>
+              <option value={0}>当天</option>
               {[1, 2, 3, 5, 7].map((d) => (
                 <option key={d} value={d}>{d} 天</option>
               ))}
diff --git a/frontend/src/services/api.js b/frontend/src/services/api.js
index 6287769..8946d17 100644
--- a/frontend/src/services/api.js
+++ b/frontend/src/services/api.js
@@ -931,8 +931,9 @@ export const api = {
   },
 
   // 数据管理（管理员专用）
-  getDataManagementAccounts: async () => {
-    const response = await fetch(buildUrl('/api/admin/data/accounts'), { headers: withAuthHeaders() });
+  getDataManagementAccounts: async (activeOnly = true) => {
+    const params = activeOnly ? '?active_only=true' : '';
+    const response = await fetch(buildUrl(`/api/admin/data/accounts${params}`), { headers: withAuthHeaders() });
     if (!response.ok) {
       const error = await response.json().catch(() => ({ detail: '获取账号列表失败' }));
       throw new Error(error.detail || '获取账号列表失败');