diff --git a/plugins/stats_dashboard/templates/index.html b/plugins/stats_dashboard/templates/index.html
index 26142da..c34cb0d 100644
--- a/plugins/stats_dashboard/templates/index.html
+++ b/plugins/stats_dashboard/templates/index.html
@@ -296,11 +296,13 @@
                     this.charts = {};
                 }
                 
-                // 准备数据
-                const labels = trendData.map(item => item.stat_date);
-                const totalData = trendData.map(item => item.total_calls);
-                const successData = trendData.map(item => item.success_calls);
-                const errorData = trendData.map(item => item.error_calls);
+                // 准备数据 - 修改字段名匹配和数据类型转换
+                const labels = trendData.map(item => item.date); // 使用date而不是stat_date
+                const totalData = trendData.map(item => parseInt(item.total_calls) || 0); // 确保转换为数字
+                const successData = trendData.map(item => parseInt(item.success_calls) || 0);
+                const errorData = trendData.map(item => parseInt(item.failed_calls) || 0); // 使用failed_calls而不是error_calls
+                
+                console.log('处理后的趋势数据:', { labels, totalData, successData, errorData });
                 
                 // 创建新图表
                 this.charts.trendChart = new Chart(ctx, {
@@ -336,7 +338,7 @@
                     },
                     options: {
                         responsive: true,
-                        maintainAspectRatio: false,
+                        maintainAspectRatio: true,
                         scales: {
                             y: {
                                 beginAtZero: true