diff --git a/YLErpWeb/wwwroot/Scripts/app/marginTemplate/marginTemplateV2DefaultEdit.js b/YLErpWeb/wwwroot/Scripts/app/marginTemplate/marginTemplateV2DefaultEdit.js
index a3975cf5..34699cb4 100644
--- a/YLErpWeb/wwwroot/Scripts/app/marginTemplate/marginTemplateV2DefaultEdit.js
+++ b/YLErpWeb/wwwroot/Scripts/app/marginTemplate/marginTemplateV2DefaultEdit.js
@@ -631,5 +631,22 @@ $(function () {
         if (!isNaN(idx)) vue.onUnderlyingTypeChange(idx);
     });
 
+    //多选 chosen：可选项已全部选中时隐藏搜索框——没有剩余项可选，空搜索框只会把控件撑高一截；
+    //取消勾选后自动恢复。勾选变化会触发原 select 的 jQuery change（trigger_form_field_change），
+    //加载重建/增删区块后的 refreshChosen 会触发 chosen:updated，两处都走这里的委托统一刷新
+    function refreshChosenSearchField(select) {
+        var $sel = $(select);
+        var $container = $sel.next('.chosen-container-multi');
+        if ($container.length === 0) return;
+        var allSelected = $sel.find('option').length > 0 && $sel.find('option:not(:selected)').length === 0;
+        $container.find('li.search-field').toggle(!allSelected);
+    }
+    $(document).on('change chosen:updated', 'select.chosen-select[multiple]', function () {
+        refreshChosenSearchField(this);
+    });
+
     SetAceDropDown();
+    $('select.chosen-select[multiple]').each(function () {
+        refreshChosenSearchField(this);
+    });
 });
diff --git a/YLErpWeb/wwwroot/Scripts/app/marginTemplate/marginTemplateV2Edit.js b/YLErpWeb/wwwroot/Scripts/app/marginTemplate/marginTemplateV2Edit.js
index 1a04d355..f725c624 100644
--- a/YLErpWeb/wwwroot/Scripts/app/marginTemplate/marginTemplateV2Edit.js
+++ b/YLErpWeb/wwwroot/Scripts/app/marginTemplate/marginTemplateV2Edit.js
@@ -599,5 +599,22 @@ $(function () {
         if (!isNaN(idx)) vue.onUnderlyingTypeChange(idx);
     });
 
+    //多选 chosen：可选项已全部选中时隐藏搜索框——没有剩余项可选，空搜索框只会把控件撑高一截；
+    //取消勾选后自动恢复。勾选变化会触发原 select 的 jQuery change（trigger_form_field_change），
+    //加载重建/增删区块后的 refreshChosen 会触发 chosen:updated，两处都走这里的委托统一刷新
+    function refreshChosenSearchField(select) {
+        var $sel = $(select);
+        var $container = $sel.next('.chosen-container-multi');
+        if ($container.length === 0) return;
+        var allSelected = $sel.find('option').length > 0 && $sel.find('option:not(:selected)').length === 0;
+        $container.find('li.search-field').toggle(!allSelected);
+    }
+    $(document).on('change chosen:updated', 'select.chosen-select[multiple]', function () {
+        refreshChosenSearchField(this);
+    });
+
     SetAceDropDown();
+    $('select.chosen-select[multiple]').each(function () {
+        refreshChosenSearchField(this);
+    });
 });