diff --git a/wwwroot/billing.ui b/wwwroot/billing.ui
index 029935a..eec943a 100644
--- a/wwwroot/billing.ui
+++ b/wwwroot/billing.ui
@@ -1,3 +1,5 @@
+{% set billing_url = entire_url('/accounting/billing.dspy') %}
+{% set download_url = entire_url('/accounting/billing_download.dspy') %}
 {
 	"widgettype": "VBox",
 	"id": "billing_page",
@@ -33,7 +35,7 @@
 					"event": "submit",
 					"target": "billing_tabular",
 					"actiontype": "script",
-					"script": "this.render(params); const statsResp = await fetch('{{entire_url(\"/accounting/billing.dspy\")}}?start_date=' + params.start_date + '&end_date=' + params.end_date); const statsData = await statsResp.json(); const statsText = bricks.getWidgetById('billing_stats'); if (statsText && statsData.stats) { statsText.dom_element.textContent = '总条数: ' + statsData.stats.total_count + ' | 借方合计: ¥' + parseFloat(statsData.stats.debit_sum).toFixed(2) + ' | 贷方合计: ¥' + parseFloat(statsData.stats.credit_sum).toFixed(2); } const dlBtn = bricks.getWidgetById('billing_download_btn'); if (dlBtn) { dlBtn.dom_element.style.display = 'inline-block'; dlBtn.dom_element.onclick = async function() { const resp = await fetch('{{entire_url(\"/accounting/billing_download.dspy\")}}?start_date=' + params.start_date + '&end_date=' + params.end_date); const data = await resp.json(); if (data.status === 'ok') { const byteChars = atob(data.data.content); const byteNumbers = new Array(byteChars.length); for (let i = 0; i < byteChars.length; i++) { byteNumbers[i] = byteChars.charCodeAt(i); } const byteArray = new Uint8Array(byteNumbers); const blob = new Blob([byteArray], {type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'}); const url = window.URL.createObjectURL(blob); const a = document.createElement('a'); a.href = url; a.download = data.data.filename; document.body.appendChild(a); a.click(); document.body.removeChild(a); window.URL.revokeObjectURL(url); } }; }"
+					"script": "this.render(params); const statsResp = await fetch('{{billing_url}}?start_date=' + params.start_date + '&end_date=' + params.end_date); const statsData = await statsResp.json(); const statsText = bricks.getWidgetById('billing_stats'); if (statsText && statsData.stats) { statsText.dom_element.textContent = '总条数: ' + statsData.stats.total_count + ' | 借方合计: ¥' + parseFloat(statsData.stats.debit_sum).toFixed(2) + ' | 贷方合计: ¥' + parseFloat(statsData.stats.credit_sum).toFixed(2); } const dlBtn = bricks.getWidgetById('billing_download_btn'); if (dlBtn) { dlBtn.dom_element.style.display = 'inline-block'; dlBtn.dom_element.onclick = async function() { const resp = await fetch('{{download_url}}?start_date=' + params.start_date + '&end_date=' + params.end_date); const data = await resp.json(); if (data.status === 'ok') { const byteChars = atob(data.data.content); const byteNumbers = new Array(byteChars.length); for (let i = 0; i < byteChars.length; i++) { byteNumbers[i] = byteChars.charCodeAt(i); } const byteArray = new Uint8Array(byteNumbers); const blob = new Blob([byteArray], {type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'}); const url = window.URL.createObjectURL(blob); const a = document.createElement('a'); a.href = url; a.download = data.data.filename; document.body.appendChild(a); a.click(); document.body.removeChild(a); window.URL.revokeObjectURL(url); } }; }"
 				}
 			]
 		},