完善系统问题

app/admin/controller/System.php

@@ -89,4 +89,11 @@ class System extends Common
 
         return $this->success();
     }
+
+    public function clearCache()
+    {
+      Cache::clear();
+
+      return $this->success('清楚成功');
+    }
 }

app/common.php

@@ -42,7 +42,12 @@ function get_system_config($name = '', $default = '')
   $list = Cache::get('system_config');
 
   if (empty($list)) {
-    $list = SystemConfig::column('value', 'name');
+    try {
+      
+      $list = SystemConfig::column('value', 'name');
+    } catch (\Throwable $th) {
+      return $default;
+    }
   }
 
   if ($name === '') {
@@ -71,15 +76,15 @@ function get_source_link($url)
     $resource_domain = get_system_config('resource_domain');
 
     if (empty($resource_domain)) {
-      $resource_domain = request()->host();
+      $resource_domain = request()->domain();
     }
-    return 'http://' . $resource_domain . '/' . $url;
+    return $resource_domain . '/' . $url;
   }
 }
 
 function de_source_link($url)
 {
-  $domain = 'http://' . get_system_config('resource_domain') . '/';
+  $domain = get_system_config('resource_domain') . '/';
   if (strpos($url, $domain) === 0) {
     return str_replace($domain, '', $url);
   }

view/admin/common/_header.html

@@ -1,5 +1,5 @@
 <div class="layui-header">
-    <a class="layui-logo" href="/">{:get_system_config('site_name')}</a>
+    <a class="layui-logo" href="{:url('index/Index/index')}" target="_blank">{:get_system_config('site_name')}</a>
     <!-- 头部区域（可配合layui已有的水平导航） PC端显示 -->
     <ul class="layui-nav layui-layout-left layui-hide-xs pc-nav-container">
         <li class="layui-nav-item header-nav-item" data-name="Index" ><a href="{:url('admin/Index/index')}">首页</a></li>

view/admin/common/left_system.html

@@ -123,5 +123,11 @@
         </dl>
       </li>
     </ul>
+    <ul class="layui-nav layui-nav-tree" lay-filter="test">
+      
+      <li class="layui-nav-item layui-nav-itemed left-nav-item">
+        <a class="" href="{:url('admin/System/clearCache')}">清空缓存</a>
+      </li>
+    </ul>
   </div>
 </div>