fix

assets/core/core.js

@@ -514,30 +514,49 @@ kit.config = kit.config || {};
 
             self.config.debug && console.log(`Plugin ${self.id}: httpGet ${url}`);
 
-            var xhr = new XMLHttpRequest();
             var url2 = url;
             if(self.config.isSetTimestamp){
                 url2 = getUrlWithTimestamp(url);
             }
-            xhr.open('GET', url2, true);
+            p = fetch(url2, {
+                method: 'GET', redirect: 'follow'
+            })
+                .then(function (response) {
+                    if (response.ok) {
+                        return response.text();
+                    }
+                    console.log(`%cPlugin.load(${self.id}): bad status ${response.status}!`, "color: red;");
+                    throw ['bad status', response.status, response.statusText].filter().join(' ');
+                }, function(reason){
+                    reject('Network Error');
+                })
+                .then(function(data){
+                    resolve(data);
+                }, function(reason){
+                    reject(reason);
+                });
 
-            xhr.onload = function() {
-                if (this.status == 200) {
-                    resolve(this.response);
-                } else {
-                    console.log(`%cPlugin.load(${self.id}): error load file!`, "color: red;");
-                    var error = new Error(this.statusText);
-                    error.code = this.status;
-                    reject(error);
-                }
-            };
 
-            xhr.onerror = function() {
-                console.log(`%cPlugin.load(${self.id}): error load file!`, "color: red;");
-                reject(new Error("Network Error"));
-            };
-
-            xhr.send();
+            // var xhr = new XMLHttpRequest();
+            // xhr.open('GET', url2, true);
+            //
+            // xhr.onload = function() {
+            //     if (this.status == 200) {
+            //         resolve(this.response);
+            //     } else {
+            //         console.log(`%cPlugin.load(${self.id}): error load file!`, "color: red;");
+            //         var error = new Error(this.statusText);
+            //         error.code = this.status;
+            //         reject(error);
+            //     }
+            // };
+            //
+            // xhr.onerror = function() {
+            //     console.log(`%cPlugin.load(${self.id}): error load file!`, "color: red;");
+            //     reject(new Error("Network Error"));
+            // };
+            //
+            // xhr.send();
         });
 
     }