diff --git a/app/utils/CheckUtils.php b/app/utils/CheckUtils.php
index 523b378..fea5529 100644
--- a/app/utils/CheckUtils.php
+++ b/app/utils/CheckUtils.php
@@ -12,12 +12,12 @@ class CheckUtils
         if (!$urlarr) {
             return ['status' => false, 'errmsg' => 'Invalid URL', 'usetime' => 0];
         }
-	    if (str_starts_with($urlarr['host'], '[') && str_ends_with($urlarr['host'], ']')) {
-		    $urlarr['host'] = substr($urlarr['host'], 1, -1);
-	    }
+        if (str_starts_with($urlarr['host'], '[') && str_ends_with($urlarr['host'], ']')) {
+            $urlarr['host'] = substr($urlarr['host'], 1, -1);
+        }
         if (!empty($ip) && !filter_var($urlarr['host'], FILTER_VALIDATE_IP) && filter_var($ip, FILTER_VALIDATE_IP)) {
-	        $port = $urlarr['port'] ?? ($urlarr['scheme'] == 'https' ? 443 : 80);
-	        $resolve = $urlarr['host'] . ':' . $port . ':' . $ip;
+            $port = $urlarr['port'] ?? ($urlarr['scheme'] == 'https' ? 443 : 80);
+            $resolve = $urlarr['host'] . ':' . $port . ':' . $ip;
         }
         $ch = curl_init();
         if ($proxy) {
diff --git a/app/view/index/index.html b/app/view/index/index.html
index 5b9d0a1..4621bb8 100644
--- a/app/view/index/index.html
+++ b/app/view/index/index.html
@@ -71,25 +71,25 @@
 </div>
 <!-- /.row -->
 <div class="row">
-	<div class="col-md-12">
-		<div id="browser-notice">
-			{if $info.no_https}
-			<div class="panel panel-default">
-				<div class="panel-body">
-					<b style='color:#CC3022;'><i class='fa fa-info-circle fa-fw'></i></b>当前正在使用HTTP访问，可能存在被窃取敏感信息风险，请使用HTTPS访问！
-				</div>
-			</div>
-			{/if}
-			{if $info.old_browser}
-			<div class="panel panel-default">
-				<div class="panel-body">
-					当前浏览器是兼容模式，为确保后台功能正常使用，请切换到<b style='color:#51b72f'>极速模式</b>！<br>
-					操作方法：点击浏览器地址栏右侧的IE符号<b style='color:#51b72f;'><i class='fa fa-internet-explorer fa-fw'></i></b>→选择“<b style='color:#51b72f;'><i class='fa fa-flash fa-fw'></i></b><b style='color:#51b72f;'>极速模式</b>”
-				</div>
-			</div>
-			{/if}
-		</div>
-	</div>
+    <div class="col-md-12">
+        <div id="browser-notice">
+            {if $info.no_https}
+            <div class="panel panel-default">
+                <div class="panel-body">
+                    <b style='color:#CC3022;'><i class='fa fa-info-circle fa-fw'></i></b>当前正在使用HTTP访问，可能存在被窃取敏感信息风险，请使用HTTPS访问！
+                </div>
+            </div>
+            {/if}
+            {if $info.old_browser}
+            <div class="panel panel-default">
+                <div class="panel-body">
+                    当前浏览器是兼容模式，为确保后台功能正常使用，请切换到<b style='color:#51b72f'>极速模式</b>！<br>
+                    操作方法：点击浏览器地址栏右侧的IE符号<b style='color:#51b72f;'><i class='fa fa-internet-explorer fa-fw'></i></b>→选择“<b style='color:#51b72f;'><i class='fa fa-flash fa-fw'></i></b><b style='color:#51b72f;'>极速模式</b>”
+                </div>
+            </div>
+            {/if}
+        </div>
+    </div>
     <div class="col-md-4 col-sm-12">
         <div class="box box-primary">
             <div class="box-header with-border">
@@ -145,10 +145,10 @@
             </div>
             <table class="table table-bordered">
                 <tbody>
-				<tr>
+                <tr>
                     <td class="query-title">框架版本</td>
                     <td class="query-result">{$info.framework_version}</td>
-				</tr>
+                </tr>
                 <tr>
                     <td class="query-title">PHP版本</td>
                     <td class="query-result">{$info.php_version}</td>
@@ -157,10 +157,10 @@
                     <td class="query-title">数据库版本</td>
                     <td class="query-result">{$info.mysql_version}</td>
                 </tr>
-				<tr>
+                <tr>
                     <td class="query-title">Web服务器</td>
                     <td class="query-result">{$info.software}</td>
-				</tr>
+                </tr>
                 <tr>
                     <td class="query-title">服务器时间</td>
                     <td class="query-result">{$info.date}</td>