diff --git a/admin/dashboard/templates/index.html b/admin/dashboard/templates/index.html
index 3d56dfa..e41cd6c 100644
--- a/admin/dashboard/templates/index.html
+++ b/admin/dashboard/templates/index.html
@@ -109,7 +109,7 @@
         <el-col :span="8">
             <el-card shadow="hover">
                 <div slot="header">
-                    <span>热门用户</span>
+                    <h3>热门用户</h3>
                 </div>
                 <el-table :data="topUsers" style="width: 100%">
                     <!-- 修改：将用户ID改为用户信息，使用固定像素宽度 -->
@@ -126,7 +126,7 @@
         <el-col :span="8">
             <el-card shadow="hover">
                 <div slot="header">
-                    <span>热门群组</span>
+                    <h3>热门群组</h3>
                 </div>
                 <el-table :data="topGroups" style="width: 100%">
                     <!-- 修改：将群组ID改为群组信息，使用固定像素宽度 -->
@@ -142,7 +142,7 @@
         <el-col :span="8">
             <el-card shadow="hover">
                 <div slot="header">
-                    <span>热门插件</span>
+                    <h3>热门插件</h3>
                 </div>
                 <el-table :data="topPlugins" style="width: 100%">
                     <el-table-column prop="plugin_name" label="插件名称" min-width="180"></el-table-column>
@@ -181,7 +181,7 @@
         <el-col :span="24">
             <el-card shadow="hover" v-loading="hourlyMessageTrendLoading">
                 <div slot="header" style="display: flex; justify-content: space-between; align-items: center;">
-                    <span>按小时聊天趋势</span>
+                    <h3>按小时聊天趋势</h3>
                     <div style="display: flex; align-items: center;">
                         <el-select v-model="selectedGroupForHourlyTrend" placeholder="选择群组" style="width: 200px; margin-right: 10px;" @change="loadHourlyMessageTrend">
                             <el-option v-for="group in groups" :key="group.group_id" :label="group.group_name" :value="group.group_id"></el-option>
@@ -769,35 +769,6 @@
         color: #909399;
         padding: 10px 0;
     }
-    
-    /* 系统信息卡片样式 */
-    .system-info-item {
-        padding: 5px 0;
-    }
-    
-    .system-info-row {
-        display: flex;
-        justify-content: space-between;
-        font-size: 12px;
-        line-height: 1.4;
-        margin-bottom: 2px;
-    }
-    
-    .info-label {
-        color: #606266;
-    }
-    
-    .info-value {
-        color: #303133;
-    }
-    
-    /* 卡片头部样式 */
-    .el-card__header {
-        padding: 10px 15px;
-    }
-    
-    .el-card__body {
-        padding: 10px 15px;
-    }
+
 </style>
 {% endblock %}
\ No newline at end of file