diff --git a/admin/dashboard/templates/index.html b/admin/dashboard/templates/index.html
index 5e8c56d..3917003 100644
--- a/admin/dashboard/templates/index.html
+++ b/admin/dashboard/templates/index.html
@@ -193,7 +193,7 @@
                         </el-select>
                     </div>
                 </div>
-                <div class="chart-container" style="height: 300px; width: 100%;">
+                <div class="chart-container" style="height: 300px; ">
                     <canvas id="hourlyMessageTrendChart" width="800" height="150"></canvas>
                 </div>
             </el-card>