diff --git a/src/views/order/intention/search.vue b/src/views/order/intention/search.vue
index 953fe9f..d66b1e9 100644
--- a/src/views/order/intention/search.vue
+++ b/src/views/order/intention/search.vue
@@ -277,6 +277,8 @@
             width="1200px"
             top="40px"
             :close-on-click-modal="false"
+            draggable
+            class="compare-dialog"
           >
             <!-- 仅看不同项按钮 -->
             <div
@@ -308,7 +310,7 @@
                   fixed="left"
                 />
                 <el-table-column
-                  v-for="item in sortedCompareList"
+                  v-for="(item, index) in displayCompareList"
                   :key="item.partNumber"
                   :label="item.partNumber"
                   :prop="item.partNumber"
@@ -318,11 +320,11 @@
                 >
                   <template #header="{ column }">
                     <div
-                      style="
-                        display: flex;
-                        align-items: center;
-                        justify-content: center;
-                      "
+                      class="compare-header-draggable"
+                      draggable="true"
+                      @dragstart="onHeaderDragStart(index)"
+                      @dragover.prevent
+                      @drop="onHeaderDrop(index)"
                     >
                       <span v-if="item.isLatest" class="new-tag">
                         <img
@@ -343,7 +345,7 @@
                           {{ column.label }}
                         </span>
                         <span style="font-size: 12px; color: #666">{{
-                          sortedCompareList.find(
+                          displayCompareList.find(
                             (i) => i.partNumber === column.label
                           )?.partName || "-"
                         }}</span>
@@ -518,16 +520,34 @@ const sortedCompareList = computed(() => {
   // 复制数组以避免修改原始数据
   const list = [...selectedCompareList.value];
 
-  // 排序：根据品号结尾的五位数从大到小排序
+  // 排序规则：
+  // 1）取品号最后的 5 位数字，如 00001
+  // 2）第一位数字越大越靠后
+  // 3）后四位数字整体越大越靠前
   list.sort((a, b) => {
-    // 提取品号结尾的五位数
     const aMatch = a.partNumber?.match(/-(\d{5})$/);
     const bMatch = b.partNumber?.match(/-(\d{5})$/);
 
-    const aNum = aMatch ? parseInt(aMatch[1], 10) : 0;
-    const bNum = bMatch ? parseInt(bMatch[1], 10) : 0;
+    if (!aMatch && !bMatch) return 0;
+    if (!aMatch) return 1;
+    if (!bMatch) return -1;
 
-    return bNum - aNum;
+    const aSuffix = aMatch[1];
+    const bSuffix = bMatch[1];
+
+    const aFirst = parseInt(aSuffix.charAt(0), 10);
+    const bFirst = parseInt(bSuffix.charAt(0), 10);
+
+    // 第一位数字越大越靠后 => 升序
+    if (!Number.isNaN(aFirst) && !Number.isNaN(bFirst) && aFirst !== bFirst) {
+      return aFirst - bFirst;
+    }
+
+    // 后四位整体越大越靠前 => 降序
+    const aRest = parseInt(aSuffix.slice(1), 10);
+    const bRest = parseInt(bSuffix.slice(1), 10);
+    if (Number.isNaN(aRest) || Number.isNaN(bRest)) return 0;
+    return bRest - aRest;
   });
 
   // 标记最新的品号（排序后的第一个）
@@ -540,6 +560,56 @@ const sortedCompareList = computed(() => {
   return list;
 });
 
+// 对比列展示顺序（默认跟随 sortedCompareList，可通过拖拽调整）
+const compareOrder = ref([]);
+const displayCompareList = computed(() => {
+  const baseList = sortedCompareList.value;
+  if (!baseList.length) return [];
+
+  if (!compareOrder.value.length) {
+    return baseList;
+  }
+
+  const map = new Map(baseList.map((item) => [item.partNumber, item]));
+  const ordered = [];
+
+  compareOrder.value.forEach((partNumber) => {
+    if (map.has(partNumber)) {
+      ordered.push(map.get(partNumber));
+      map.delete(partNumber);
+    }
+  });
+
+  return ordered.concat(Array.from(map.values()));
+});
+
+// sortedCompareList 变化时，同步默认的列顺序
+watch(
+  () => sortedCompareList.value.map((item) => item.partNumber),
+  (newOrder) => {
+    compareOrder.value = newOrder;
+  },
+  { immediate: true }
+);
+
+// 列拖拽相关
+const draggingColumnIndex = ref(null);
+
+const onHeaderDragStart = (index) => {
+  draggingColumnIndex.value = index;
+};
+
+const onHeaderDrop = (targetIndex) => {
+  const from = draggingColumnIndex.value;
+  if (from === null || from === targetIndex) return;
+
+  const order = [...compareOrder.value];
+  const [moved] = order.splice(from, 1);
+  order.splice(targetIndex, 0, moved);
+  compareOrder.value = order;
+  draggingColumnIndex.value = null;
+};
+
 const compareTableData = ref([]);
 const diffFieldKeys = ref(new Set());
 
@@ -1337,6 +1407,21 @@ const getPreciseIndexSet = () => {
   return preciseIndexSet;
 };
 
+// 同步精准查询条件在 parsedConditions 中的索引，使其在修改条件后仍然生效
+const syncPreciseConditionsIndex = () => {
+  if (!preciseConditions.value.length) return;
+
+  preciseConditions.value = preciseConditions.value.map((cond) => {
+    const idx = parsedConditions.value.findIndex(
+      (item) => item.field === cond.field && item.value === cond.value
+    );
+    return {
+      ...cond,
+      originalIndex: idx !== -1 ? idx : cond.originalIndex,
+    };
+  });
+};
+
 const buildFieldConditionsPayload = () => {
   const preciseIndexSet = getPreciseIndexSet();
 
@@ -1518,9 +1603,8 @@ const removePreciseCondition = (index) => {
 const handleSearch = async () => {
   // 解析条件
   parsedConditions.value = parseConditions(currentInput.value);
-
-  // 清空精准查询条件
-  preciseConditions.value = [];
+  // 同步精准查询条件在新解析结果中的索引，不清空精准条件
+  syncPreciseConditionsIndex();
   selectedItems.value = new Map();
 
   // 执行查询与关键差异词推荐
@@ -1537,6 +1621,8 @@ const triggerRealTimeSearch = () => {
   // 只有当有有效条件时才触发实时查询
   if (currentInput.value.trim()) {
     parsedConditions.value = parseConditions(currentInput.value);
+    // 输入实时变化时，同步精准条件索引
+    syncPreciseConditionsIndex();
     scheduleSearchExecution(1);
     scheduleDifferenceFetch();
   }
@@ -2481,6 +2567,23 @@ function handleConfirm() {
   vertical-align: middle;
 }
 
+/* 参数对比弹窗支持拖拽和缩放 */
+.compare-dialog {
+  ::deep(.el-dialog) {
+    resize: both;
+    overflow: auto;
+  }
+}
+
+/* 对比表头可拖拽的鼠标样式 */
+.compare-header-draggable {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  cursor: move;
+  padding: 4px 0;
+}
+
 /* 关键差异信息提示样式 */
 .key-diff-hint {
   margin: -15px 0 15px 0;