diff --git a/YLErpWeb/Controllers/EodPriceController.cs b/YLErpWeb/Controllers/EodPriceController.cs
index 91ce6409..62747ff9 100644
--- a/YLErpWeb/Controllers/EodPriceController.cs
+++ b/YLErpWeb/Controllers/EodPriceController.cs
@@ -176,6 +176,63 @@ namespace YLErp.Web.Controllers
                 Market = u.MarketName,
             });
         }
+
+        /// <summary>
+        /// 新建日终价格时，按手工输入的片段做服务端模糊联想（代码或名称包含匹配），只回前 20 条。
+        /// 与 LookupUnderlyingForEod 同样只返回已上市(LaunchState=="1")且类型匹配的标的。
+        /// 用原生下拉渲染（不依赖 jQuery UI，bundle 未打包），避免几十万标的全量渲染卡死。
+        /// </summary>
+        [HttpPost]
+        public JsonResult SuggestUnderlyingForEod(string q, string kind)
+        {
+            if (string.IsNullOrWhiteSpace(q))
+            {
+                return JsonSuccess("", new List<object>());
+            }
+            q = q.Trim();
+
+            string[] types = kind switch
+            {
+                "future" => new[]
+                {
+                    ConsGlobal.InstrumentType.CommodityFutures,
+                    ConsGlobal.InstrumentType.GoldFutures,
+                    ConsGlobal.InstrumentType.TBFutures,
+                    ConsGlobal.InstrumentType.OtherFutures,
+                    ConsGlobal.InstrumentType.AbroadFutures,
+                },
+                "stock" => new[]
+                {
+                    ConsGlobal.InstrumentType.Stock,
+                    ConsGlobal.InstrumentType.StockIndex,
+                    ConsGlobal.InstrumentType.StockIF,
+                    ConsGlobal.InstrumentType.HKStock,
+                    ConsGlobal.InstrumentType.HKStockIndex,
+                    ConsGlobal.InstrumentType.NewOtcStock,
+                    ConsGlobal.InstrumentType.AbroadStock,
+                    ConsGlobal.InstrumentType.AbroadStockIndex,
+                },
+                _ => new[]
+                {
+                    ConsGlobal.InstrumentType.Bonds,
+                    ConsGlobal.InstrumentType.TBonds,
+                    ConsGlobal.InstrumentType.CreditBonds,
+                    ConsGlobal.InstrumentType.OtherBonds,
+                },
+            };
+            var set = new HashSet<string>(types);
+
+            var list = yldb.underlying_manager
+                .Where(n => n.LaunchState == "1" && set.Contains(n.UnderlyingInstrumentType)
+                            && (n.UnderlyingCode.Contains(q) || n.UnderlyingName.Contains(q)))
+                .OrderBy(n => n.UnderlyingCode)
+                .Take(20)
+                .Select(n => new { n.id, Code = n.UnderlyingCode, Name = n.UnderlyingName, Market = n.MarketName })
+                .ToList();
+
+            return JsonSuccess("", list);
+        }
+
         [HttpPost]
         public JsonResult EodFuturePriceEditJson(eod_commodity_future_price req)
         {
diff --git a/YLErpWeb/Views/EodPrice/eodBondPriceEdit.cshtml b/YLErpWeb/Views/EodPrice/eodBondPriceEdit.cshtml
index 7a0a89c9..417f5c25 100644
--- a/YLErpWeb/Views/EodPrice/eodBondPriceEdit.cshtml
+++ b/YLErpWeb/Views/EodPrice/eodBondPriceEdit.cshtml
@@ -43,6 +43,63 @@
             });
         }
 
+        // 服务端模糊联想：输入时按需查前20条匹配（代码或名称），原生下拉，不用插件
+        var _eodSuggestTimer = null;
+        function eodSuggest(input, kind) {
+            clearTimeout(_eodSuggestTimer);
+            var q = (input.value || '').trim();
+            if (q.length < 1) { eodHideSuggest(); return; }
+            _eodSuggestTimer = setTimeout(function () {
+                main.post('/eodPrice/SuggestUnderlyingForEod', { q: q, kind: kind }).done(function (res) {
+                    if (res.success && res.obj && res.obj.length) {
+                        eodRenderSuggest(res.obj, input, kind);
+                    } else {
+                        eodHideSuggest();
+                    }
+                });
+            }, 250);
+        }
+        function eodRenderSuggest(list, input, kind) {
+            var box = document.getElementById('eodSuggestBox');
+            if (!box) return;
+            box.innerHTML = '';
+            list.forEach(function (item) {
+                var div = document.createElement('div');
+                div.className = 'eod-suggest-item';
+                var code = document.createElement('span');
+                code.className = 'eod-suggest-code';
+                code.textContent = item.Code;
+                var name = document.createElement('span');
+                name.className = 'eod-suggest-name';
+                name.textContent = item.Name || '';
+                div.appendChild(code); div.appendChild(name);
+                div.onmousedown = function (e) {
+                    e.preventDefault();
+                    input.value = item.Code;
+                    eodHideSuggest();
+                    var fn = { bond: lookupBond, future: lookupFuture, stock: lookupStock }[kind];
+                    if (fn) fn();
+                };
+                box.appendChild(div);
+            });
+            var r = input.getBoundingClientRect();
+            box.style.left = r.left + 'px';
+            box.style.top = (r.bottom + 2) + 'px';
+            box.style.width = Math.max(r.width, 220) + 'px';
+            box.style.display = 'block';
+        }
+        function eodHideSuggest() {
+            var b = document.getElementById('eodSuggestBox');
+            if (b) b.style.display = 'none';
+        }
+        document.addEventListener('click', function (e) {
+            var b = document.getElementById('eodSuggestBox');
+            if (b && b.style.display === 'block' && !b.contains(e.target)
+                && e.target.id !== 'bond_id' && e.target.id !== 'UnderlyingCode') {
+                b.style.display = 'none';
+            }
+        });
+
     </script>
 }
 <form class="yc-panel" id="form1" method="post" onsubmit="return false;">
@@ -62,7 +119,7 @@
         {
             <div class='form-group col-md-6'>
                 <label class='formlabel'>标的代码</label>
-                <input class='text-box' type='text' id="bond_id" name="bond_id" value="" onblur="lookupBond()" placeholder="输入债券代码，失焦自动带出市场" />
+                <input class='text-box' type='text' id="bond_id" name="bond_id" value="" onblur="lookupBond()" oninput="eodSuggest(this, 'bond')" placeholder="输入债券代码（边打边联想），失焦自动带出市场" />
             </div>
             <div class='form-group col-md-6'>
                 <label class='formlabel'>市场</label>
diff --git a/YLErpWeb/Views/EodPrice/eodFuturePriceEdit.cshtml b/YLErpWeb/Views/EodPrice/eodFuturePriceEdit.cshtml
index b4edeb1a..966f360a 100644
--- a/YLErpWeb/Views/EodPrice/eodFuturePriceEdit.cshtml
+++ b/YLErpWeb/Views/EodPrice/eodFuturePriceEdit.cshtml
@@ -49,6 +49,63 @@
             });
         }
 
+        // 服务端模糊联想：输入时按需查前20条匹配（代码或名称），原生下拉，不用插件
+        var _eodSuggestTimer = null;
+        function eodSuggest(input, kind) {
+            clearTimeout(_eodSuggestTimer);
+            var q = (input.value || '').trim();
+            if (q.length < 1) { eodHideSuggest(); return; }
+            _eodSuggestTimer = setTimeout(function () {
+                main.post('/eodPrice/SuggestUnderlyingForEod', { q: q, kind: kind }).done(function (res) {
+                    if (res.success && res.obj && res.obj.length) {
+                        eodRenderSuggest(res.obj, input, kind);
+                    } else {
+                        eodHideSuggest();
+                    }
+                });
+            }, 250);
+        }
+        function eodRenderSuggest(list, input, kind) {
+            var box = document.getElementById('eodSuggestBox');
+            if (!box) return;
+            box.innerHTML = '';
+            list.forEach(function (item) {
+                var div = document.createElement('div');
+                div.className = 'eod-suggest-item';
+                var code = document.createElement('span');
+                code.className = 'eod-suggest-code';
+                code.textContent = item.Code;
+                var name = document.createElement('span');
+                name.className = 'eod-suggest-name';
+                name.textContent = item.Name || '';
+                div.appendChild(code); div.appendChild(name);
+                div.onmousedown = function (e) {
+                    e.preventDefault();
+                    input.value = item.Code;
+                    eodHideSuggest();
+                    var fn = { bond: lookupBond, future: lookupFuture, stock: lookupStock }[kind];
+                    if (fn) fn();
+                };
+                box.appendChild(div);
+            });
+            var r = input.getBoundingClientRect();
+            box.style.left = r.left + 'px';
+            box.style.top = (r.bottom + 2) + 'px';
+            box.style.width = Math.max(r.width, 220) + 'px';
+            box.style.display = 'block';
+        }
+        function eodHideSuggest() {
+            var b = document.getElementById('eodSuggestBox');
+            if (b) b.style.display = 'none';
+        }
+        document.addEventListener('click', function (e) {
+            var b = document.getElementById('eodSuggestBox');
+            if (b && b.style.display === 'block' && !b.contains(e.target)
+                && e.target.id !== 'bond_id' && e.target.id !== 'UnderlyingCode') {
+                b.style.display = 'none';
+            }
+        });
+
     </script>
 }
 <form class="yc-panel" id="form1" method="post" onsubmit="return false;">
@@ -74,7 +131,7 @@
         {
             <div class='form-group col-md-6'>
                 <label class='formlabel'>标的代码</label>
-                <input class='text-box' type='text' id="UnderlyingCode" name="UnderlyingCode" value="" onblur="lookupFuture()" placeholder="输入期货合约代码，失焦自动带出市场" />
+                <input class='text-box' type='text' id="UnderlyingCode" name="UnderlyingCode" value="" onblur="lookupFuture()" oninput="eodSuggest(this, 'future')" placeholder="输入期货合约代码（边打边联想），失焦自动带出市场" />
             </div>
             <div class='form-group col-md-6'>
                 <label class='formlabel'>市场</label>
diff --git a/YLErpWeb/Views/EodPrice/eodStockPriceEdit.cshtml b/YLErpWeb/Views/EodPrice/eodStockPriceEdit.cshtml
index 08d58bc0..b7403e24 100644
--- a/YLErpWeb/Views/EodPrice/eodStockPriceEdit.cshtml
+++ b/YLErpWeb/Views/EodPrice/eodStockPriceEdit.cshtml
@@ -42,6 +42,64 @@
                 main.parentReloadData();
             });
         }
+
+        // 服务端模糊联想：输入时按需查前20条匹配（代码或名称），原生下拉，不用插件
+        var _eodSuggestTimer = null;
+        function eodSuggest(input, kind) {
+            clearTimeout(_eodSuggestTimer);
+            var q = (input.value || '').trim();
+            if (q.length < 1) { eodHideSuggest(); return; }
+            _eodSuggestTimer = setTimeout(function () {
+                main.post('/eodPrice/SuggestUnderlyingForEod', { q: q, kind: kind }).done(function (res) {
+                    if (res.success && res.obj && res.obj.length) {
+                        eodRenderSuggest(res.obj, input, kind);
+                    } else {
+                        eodHideSuggest();
+                    }
+                });
+            }, 250);
+        }
+        function eodRenderSuggest(list, input, kind) {
+            var box = document.getElementById('eodSuggestBox');
+            if (!box) return;
+            box.innerHTML = '';
+            list.forEach(function (item) {
+                var div = document.createElement('div');
+                div.className = 'eod-suggest-item';
+                var code = document.createElement('span');
+                code.className = 'eod-suggest-code';
+                code.textContent = item.Code;
+                var name = document.createElement('span');
+                name.className = 'eod-suggest-name';
+                name.textContent = item.Name || '';
+                div.appendChild(code); div.appendChild(name);
+                div.onmousedown = function (e) {
+                    e.preventDefault();
+                    input.value = item.Code;
+                    eodHideSuggest();
+                    var fn = { bond: lookupBond, future: lookupFuture, stock: lookupStock }[kind];
+                    if (fn) fn();
+                };
+                box.appendChild(div);
+            });
+            var r = input.getBoundingClientRect();
+            box.style.left = r.left + 'px';
+            box.style.top = (r.bottom + 2) + 'px';
+            box.style.width = Math.max(r.width, 220) + 'px';
+            box.style.display = 'block';
+        }
+        function eodHideSuggest() {
+            var b = document.getElementById('eodSuggestBox');
+            if (b) b.style.display = 'none';
+        }
+        document.addEventListener('click', function (e) {
+            var b = document.getElementById('eodSuggestBox');
+            if (b && b.style.display === 'block' && !b.contains(e.target)
+                && e.target.id !== 'bond_id' && e.target.id !== 'UnderlyingCode') {
+                b.style.display = 'none';
+            }
+        });
+
     </script>
 }
 <form class="yc-panel" id="form1" method="post" onsubmit="return false;">
@@ -62,7 +120,7 @@
         {
             <div class='form-group col-md-6'>
                 <label class='formlabel'>标的代码</label>
-                <input class='text-box' type='text' id="UnderlyingCode" name="UnderlyingCode" value="" onblur="lookupStock()" placeholder="输入股票代码，失焦自动带出市场" />
+                <input class='text-box' type='text' id="UnderlyingCode" name="UnderlyingCode" value="" onblur="lookupStock()" oninput="eodSuggest(this, 'stock')" placeholder="输入股票代码（边打边联想），失焦自动带出市场" />
             </div>
             <div class='form-group col-md-6'>
                 <label class='formlabel'>市场</label>