diff --git a/app/common.php b/app/common.php
index e6c7f7c..8e4304e 100644
--- a/app/common.php
+++ b/app/common.php
@@ -72,11 +72,15 @@ function get_system_config($name = '', $default = '')
   return $default;
 }
 
-function get_source_link($url)
+function get_source_link($url,$default = '')
 {
-
   if (empty($url)) {
-    $url = '/static/images/avatar.png';
+
+    if(!empty($default)){
+      $url = $default;
+    }else{
+      $url = '/static/images/avatar.png';
+    }
   }
   if (strpos($url, '/') === 0) {
     return request()->domain() . $url;
diff --git a/app/model/Nav.php b/app/model/Nav.php
index 65cdfd2..fbea981 100644
--- a/app/model/Nav.php
+++ b/app/model/Nav.php
@@ -19,7 +19,7 @@ class Nav extends Model
   //
   public function getImgAttr($value)
   {
-    return get_source_link($value);
+    return get_source_link($value,'/static/images/noimg.png');
   }
 
   public function getStatusNameAttr()