diff --git a/docs/join/Markdown editor.md b/docs/join/Markdown editor.md
index 41cac703..9bcacc78 100644
--- a/docs/join/Markdown editor.md	
+++ b/docs/join/Markdown editor.md	
@@ -59,11 +59,10 @@
                 // 创建一个 FormData 对象，用于上传文件
                 var formData = new FormData();
                 formData.append("markdownFile", blob, "document.md");
-                var dataToSend = "Hello, Server!";
                 // 发送 POST 请求将文件上传到后端
                 var xhr = new XMLHttpRequest();
-                xhr.open("POST", "http://localhost:8080/receiver//GetMdServlet", true);
-                xhr.setRequestHeader("Content-Type", "text/plain");
+                xhr.open("POST", "http://localhost:8080/receiver/uploadServlet", true);
+                xhr.setRequestHeader("Content-Type", "multipart/form-data");
                 xhr.onload = function() {
                     if (xhr.status === 200) {
                         // 上传成功，可以在这里处理后端返回的响应
@@ -73,7 +72,7 @@
                         console.error("File upload failed");
                     }
                 };
-                xhr.send(markdownContent);
+                xhr.send(formData);
             });
         });
     </script>