页面生成图片修改

@@ -254,7 +254,7 @@ class OrderSalesmanController extends WeChatBaseController
     public function upload_img() {
         if($this->request->isAjax()) {
             set_time_limit(0);
-            ini_set('memory_limit', '256M');
+            ini_set('memory_limit', '512M');
             ini_set("max_execution_time", 0);
             $img = $this->request->param('img');
             $top = $this->request->param('top');

@@ -1454,9 +1454,6 @@
                 success: function (res) {
                     img_url = res.data;
                     $('.view_img').css('display','block');
-                },
-                error: function (XMLHttpRequest, textStatus, errorThrown) {
-                    alert(XMLHttpRequest.status+" "+XMLHttpRequest.readyState+" "+textStatus);
                 }
             });
             // document.querySelector(".down").setAttribute('href', canvas.toDataURL());