安装callback优化

app/home/controller/Login.php

@@ -27,26 +27,6 @@ class Login
         return View();
     }
 
-	//系统安装提交
-	function install_ajax()
-    {
-		$url = $_SERVER["HTTP_REFERER"]; //获取完整的来路URL
-		$str = str_replace("http://","",$url); //去掉http://
-		$str = str_replace("https://","",$str); //去掉https://
-		$strdomain = explode("/",$str);  // 以“/”分开成数组
-		$domain = $strdomain[0];	//取第一个“/”以前的字符
-		$name = '系统';
-		if (!empty($_GET['name'])) {
-            $name = $_GET['name'];
-        }
-        add_user_log('install', $name,0,['domain'=>$domain]);
-		if (!empty($_GET['callback'])) {
-            return $_GET['callback'] . '("install ok!")'; // jsonp
-        }
-		else{
-			return to_assign(1, 'install ok!');
-		}		
-    }
     //提交登录
     public function login_submit()
     {