diff --git a/admin/dashboard/templates/index.html b/admin/dashboard/templates/index.html
index 623f1a7..21b4aa6 100644
--- a/admin/dashboard/templates/index.html
+++ b/admin/dashboard/templates/index.html
@@ -161,7 +161,7 @@
                     </div>
                 </div>
                 <div class="chart-container">
-                    <canvas id="hourlyMessageTrendChart" height="200"></canvas>
+                    <canvas id="hourlyMessageTrendChart" height="150"></canvas>
                 </div>
             </el-card>
         </el-col>