diff --git a/admin/dashboard/templates/index.html b/admin/dashboard/templates/index.html
index c93cc08..fc053b4 100644
--- a/admin/dashboard/templates/index.html
+++ b/admin/dashboard/templates/index.html
@@ -102,31 +102,26 @@
     </el-row>
 
     <el-row :gutter="16" class="metric-extended-row">
-        <el-col :span="9" class="metric-extended-row-placeholder"></el-col>
-        <el-col :span="15" class="metric-extended-main">
-            <el-row :gutter="16" class="metric-grid metric-grid--extended">
-                <el-col :span="8">
-                    <el-card class="metric-card metric-card--soft" shadow="hover">
-                        <div class="metric-label">新增用户数</div>
-                        <div class="metric-value">{% raw %}{{ newUsers }}{% endraw %}</div>
-                        <div class="metric-footnote">统计周期内首次触发用户</div>
-                    </el-card>
-                </el-col>
-                <el-col :span="8">
-                    <el-card class="metric-card" shadow="hover">
-                        <div class="metric-label">群渗透率</div>
-                        <div class="metric-value">{% raw %}{{ avgGroupPenetration.toFixed(2) }}{% endraw %}%</div>
-                        <div class="metric-footnote">活跃群触发人数占成员比例（均值）</div>
-                    </el-card>
-                </el-col>
-                <el-col :span="8">
-                    <el-card class="metric-card metric-card--soft" shadow="hover">
-                        <div class="metric-label">群健康分</div>
-                        <div class="metric-value">{% raw %}{{ groupHealthScore.toFixed(2) }}{% endraw %}</div>
-                        <div class="metric-footnote">综合成功率与响应时延评分</div>
-                    </el-card>
-                </el-col>
-            </el-row>
+        <el-col :span="8">
+            <el-card class="metric-card metric-card--soft" shadow="hover">
+                <div class="metric-label">新增用户数</div>
+                <div class="metric-value">{% raw %}{{ newUsers }}{% endraw %}</div>
+                <div class="metric-footnote">统计周期内首次触发用户</div>
+            </el-card>
+        </el-col>
+        <el-col :span="8">
+            <el-card class="metric-card" shadow="hover">
+                <div class="metric-label">群渗透率</div>
+                <div class="metric-value">{% raw %}{{ avgGroupPenetration.toFixed(2) }}{% endraw %}%</div>
+                <div class="metric-footnote">活跃群触发人数占成员比例（均值）</div>
+            </el-card>
+        </el-col>
+        <el-col :span="8">
+            <el-card class="metric-card metric-card--soft" shadow="hover">
+                <div class="metric-label">群健康分</div>
+                <div class="metric-value">{% raw %}{{ groupHealthScore.toFixed(2) }}{% endraw %}</div>
+                <div class="metric-footnote">综合成功率与响应时延评分</div>
+            </el-card>
         </el-col>
     </el-row>
 
@@ -950,14 +945,6 @@
         display: flex;
     }
 
-    .metric-extended-main {
-        width: 100%;
-    }
-
-    .metric-grid--extended .el-col {
-        margin-bottom: 0;
-    }
-
     .metric-card {
         min-height: 106px;
         width: 100%;
@@ -1121,10 +1108,6 @@
     }
 
     @media (max-width: 1200px) {
-        .metric-extended-row-placeholder {
-            display: none !important;
-        }
-
         .hero-row > .el-col,
         .metric-extended-row > .el-col,
         .stats-highlight-row > .el-col,