diff --git a/pages/detail/detail.vue b/pages/detail/detail.vue
index 93ab202..485024b 100644
--- a/pages/detail/detail.vue
+++ b/pages/detail/detail.vue
@@ -166,7 +166,7 @@
               :placeholder="transactionType === 'sell' ? '请选择要卖出的持仓' : '请输入股票代码'"
               :disabled="transactionType === 'sell'"
               @input="transactionType === 'buy' ? searchStock(e.detail.value) : () => {}"
-              @click="transactionType === 'sell' ? (searchResults.length = positions.value.map(pos => ({
+              @click="transactionType === 'sell' ? (searchResults = (positions.value || []).map(pos => ({
                 ticker: pos.stockCode,
                 stockName: pos.stockName,
                 assetType: pos.assetType || 'Stock',