fix

server/server.js

@@ -364,8 +364,19 @@ function handleAIResult(aiResult, roomId, username, originalText, attachments) {
   if (aiResult.action === 'ask') { storeAndBroadcastText(roomId, '小财', aiResult.question); addToHistory(roomId, 'assistant', aiResult.question); return; }
   if (aiResult.action === 'delete') {
     const itemName = aiResult.delete_item;
-    const purchases = db.prepare('SELECT id, item, amount, payment_method, status, applicant, created_at FROM purchases WHERE room_id = ? AND item LIKE ?').all(roomId, `%${itemName}%`);
+    let purchases;
-    if (purchases.length === 0) { storeAndBroadcastText(roomId, '小财', `没有找到与“${itemName}”相关的采购记录。`); return; }
+    if (itemName === '__AMOUNT_ZERO__') {
+      purchases = db.prepare('SELECT id, item, amount, payment_method, status, applicant, created_at FROM purchases WHERE room_id = ? AND amount = 0').all(roomId);
+    } else if (itemName === '__NULL_NAME__') {
+      purchases = db.prepare("SELECT id, item, amount, payment_method, status, applicant, created_at FROM purchases WHERE room_id = ? AND (item IS NULL OR item = '' OR item = 'null' OR item = 'undefined')").all(roomId);
+    } else {
+      purchases = db.prepare('SELECT id, item, amount, payment_method, status, applicant, created_at FROM purchases WHERE room_id = ? AND item LIKE ?').all(roomId, `%${itemName}%`);
+    }
+    if (purchases.length === 0) {
+      const label = itemName === '__AMOUNT_ZERO__' ? '金额为0' : (itemName === '__NULL_NAME__' ? '名称为空' : `"${itemName}"`);
+      storeAndBroadcastText(roomId, '小财', `没有找到与"${label}"相关的采购记录。`);
+      return;
+    }
     let confirmText = `⚠️ 即将删除以下 ${purchases.length} 条采购记录，请回复“确认”继续：\n\n`;
     purchases.forEach(p => confirmText += `• ${p.item} | ¥${p.amount} | ${p.status} | ${p.applicant} | ${p.created_at}\n`);
     confirmText += `\n如果不删除，请忽略此消息。`;