bug-729:修改详情的穴位时，会自动添加一行

src/views/business/components/AcupointTable.vue

@@ -1243,17 +1243,19 @@ export default {
     },
     onItemChange(acuid, scope, detailType) {
       const row = scope.row;
+      // 在任何修改之前记录该行是否已有值（区分修改和新增）
+      const hadPreviousValue = !!row.acuid;
+
       const table = this.getDetailTable(detailType);
       const exists = table.find(
         (item) => item.acuid === acuid && item.id !== row.id,
       );
       if (exists) {
         this.$message.error("不可重复选择");
-        row.acuid = "";
-        row.name = "";
-        row.acuname = "";
+        // 不重置行数据，保留原有值，让 :value 绑定自动回显
         return;
       }
+
       const optionsList = this.getSearchOptions(detailType);
       const selected = optionsList.find((item) => item.acuid === acuid);
       if (selected) {
@@ -1268,7 +1270,10 @@ export default {
           row.count = Number(selected.num) || 1;
         }
       }
-      this.addDetailRow(scope, detailType);
+      // 只有新增（原来没有值）才添加新行，修改不添加
+      if (!hadPreviousValue) {
+        this.addDetailRow(scope, detailType);
+      }
     },
     onDetailInput(scope, detailType) {
       // 其他详情输入文字后自动新增一行