diff --git a/admin/dashboard/templates/index.html b/admin/dashboard/templates/index.html
index e41cd6c..5e8c56d 100644
--- a/admin/dashboard/templates/index.html
+++ b/admin/dashboard/templates/index.html
@@ -194,7 +194,7 @@
                     </div>
                 </div>
                 <div class="chart-container" style="height: 300px; width: 100%;">
-                    <canvas id="hourlyMessageTrendChart"></canvas>
+                    <canvas id="hourlyMessageTrendChart" width="800" height="150"></canvas>
                 </div>
             </el-card>
         </el-col>