diff --git a/admin/dashboard/templates/index.html b/admin/dashboard/templates/index.html
index 763337d..77ecb4a 100644
--- a/admin/dashboard/templates/index.html
+++ b/admin/dashboard/templates/index.html
@@ -185,7 +185,7 @@
                 <div slot="header">
                     <h3>使用趋势</h3>
                 </div>
-                <div class="chart-container">
+                <div class="chart-container"  style="height: 300px;">
                     <canvas id="trendChart" width="400" height="150"></canvas>
                 </div>
             </el-card>