diff --git a/app/Models/User.php b/app/Models/User.php
index 1ca2ea47..1b4aafdb 100644
--- a/app/Models/User.php
+++ b/app/Models/User.php
@@ -45,7 +45,7 @@ public function getGravatarAttribute()
 	    return "https://q4.qlogo.cn/g?b=qq&nk=".$this->attributes['email']."&s=3";
 	}
         $hash = md5(strtolower(trim($this->attributes['email'])));
-        return "https://secure.gravatar.com/avatar/".$hash;
+        return "https://gravatar.cat.net/avatar/".$hash;
     }
 
     public function isAdmin()