diff --git a/public/static/editor.md/plugins/image-dialog/image-dialog.js b/public/static/editor.md/plugins/image-dialog/image-dialog.js
index b49482f..4f6ecda 100644
--- a/public/static/editor.md/plugins/image-dialog/image-dialog.js
+++ b/public/static/editor.md/plugins/image-dialog/image-dialog.js
@@ -46,12 +46,15 @@
                     action += "&callback=" + settings.uploadCallbackURL + "&dialog_id=editormd-image-dialog-" + guid;
                 }
 
-                var dialogContent = ( (settings.imageUpload) ? "<form action=\"" + action +"\" target=\"" + iframeName + "\" method=\"post\" enctype=\"multipart/form-data\" class=\"" + classPrefix + "form\">" : "<div class=\"" + classPrefix + "form\">" ) +
+                var imageFileName = classPrefix + "image-file";
+                // 删除 method="post" 让表单不会触发提交。后面使用 ajax 重写图片上传请求
+                var dialogContent = ( (settings.imageUpload) ? "<form action=\"" + action +"\" target=\"" + iframeName + "\" enctype=\"multipart/form-data\" class=\"" + classPrefix + "form\">" : "<div class=\"" + classPrefix + "form\">" ) +
                                         ( (settings.imageUpload) ? "<iframe name=\"" + iframeName + "\" id=\"" + iframeName + "\" guid=\"" + guid + "\"></iframe>" : "" ) +
                                         "<label>" + imageLang.url + "</label>" +
                                         "<input type=\"text\" data-url />" + (function(){
                                             return (settings.imageUpload) ? "<div class=\"" + classPrefix + "file-input\">" +
-                                                                                "<input type=\"file\" name=\"" + classPrefix + "image-file\" accept=\"image/*\" />" +
+                                                                                // 这里增加 id = {imageFileName}，方便后面拿到文件数据
+                                                                                "<input type=\"file\" name=\"" + imageFileName + "\" id=\"" + imageFileName + "\" accept=\"image/*\" />" +
                                                                                 "<input type=\"submit\" value=\"" + imageLang.uploadButton + "\" />" +
                                                                             "</div>" : "";
                                         })() +
@@ -131,7 +134,7 @@
                     return ;
                 }
 
-				var fileInput  = dialog.find("[name=\"" + classPrefix + "image-file\"]");
+				var fileInput  = dialog.find("[name=\"" + imageFileName + "\"]");
 
 				fileInput.bind("change", function() {
 					var fileName  = fileInput.val();
@@ -161,23 +164,45 @@
 
                             loading(false);
 
-                            var body = (uploadIframe.contentWindow ? uploadIframe.contentWindow : uploadIframe.contentDocument).document.body;
-                            var json = (body.innerText) ? body.innerText : ( (body.textContent) ? body.textContent : null);
+                            // 注释掉官方写法，这里存在 iframe 跨域问题
+                            // var body = (uploadIframe.contentWindow ? uploadIframe.contentWindow : uploadIframe.contentDocument).document.body;
+                            // var json = (body.innerText) ? body.innerText : ( (body.textContent) ? body.textContent : null);
 
-                            json = (typeof JSON.parse !== "undefined") ? JSON.parse(json) : eval("(" + json + ")");
+                            // json = (typeof JSON.parse !== "undefined") ? JSON.parse(json) : eval("(" + json + ")");
 
-                            if(!settings.crossDomainUpload)
-                            {
-                              if (json.success === 1)
-                              {
-                                  dialog.find("[data-url]").val(json.url);
-                              }
-                              else
-                              {
-                                  alert(json.message);
-                              }
-                            }
+                            // if(!settings.crossDomainUpload)
+                            // {
+                            //   if (json.success === 1)
+                            //   {
+                            //       dialog.find("[data-url]").val(json.url);
+                            //   }
+                            //   else
+                            //   {
+                            //       alert(json.message);
+                            //   }
+                            // }
 
+                            // 重写图片上传方法
+                            var formData = new FormData();
+                            formData.append(imageFileName, $("#" + imageFileName)[0].files[0]);
+                            var action = settings.imageUploadURL + (settings.imageUploadURL.indexOf("?") >= 0 ? "&" : "?") + "guid=" + guid;
+                            $.ajax({
+                                url: action,
+                                type: "POST",
+                                data: formData,
+                                dataType: "json",
+                                async: false,
+                                processData: false, // 使数据不做处理
+                                contentType: false, // 不要设置 Content-Type 请求头
+                                success: function (data) {
+                                    // 成功拿到结果放到这个函数 data就是拿到的结果
+                                    if (data.success === 1) {
+                                        dialog.find("[data-url]").val(data.url);
+                                    } else {
+                                        alert(data.message);
+                                    }
+                                },
+                            });
                             return false;
                         };
                     };