diff --git a/public/assets/js/backend/history.js b/public/assets/js/backend/history.js
index cbd7228..3dc0338 100644
--- a/public/assets/js/backend/history.js
+++ b/public/assets/js/backend/history.js
@@ -2191,7 +2191,7 @@ define(['jquery', 'bootstrap', 'backend', 'table', 'form'], function ($, undefin
                 layer.open({
                     type: 1,
                     title: '尾首概率分析',
-                    area: ['500px', '380px'],
+                    area: ['700px', '650px'],
                     content: content,
                     success: function (layero) {
                         $('#btn-tailheadprob-query', layero).on('click', function () {