diff --git a/README.md b/README.md
index 1cf1681..e46c042 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,13 @@
 #### 安装教程
 
 1.  修改前端`index.html`中的后端地址
-2.  java -jar xxx.jar
+2.  运行命令：
+    ```
+    # 直接运行
+    java -jar xxx.jar
+    # 后台运行
+    nohup  java -jar draw-and-guess-0.0.1-SNAPSHOT.jar >> ./draw.log 2>&1 &
+    ```
 3.  访问`http://IP:8080`进行游玩
 
 #### 使用说明
diff --git a/src/main/resources/static/index.html b/src/main/resources/static/index.html
index b1c26c8..732d517 100644
--- a/src/main/resources/static/index.html
+++ b/src/main/resources/static/index.html
@@ -137,7 +137,9 @@
     // 当前房间id
     let roomId = "";
     const backendAddr = "192.168.31.222:8080"
+    // const backendAddr = "draw.airnan.cn"
     const api = "http://" + backendAddr + "/api"
+    // const api = "https://" + backendAddr + "/api"
 
 
     init();
@@ -345,6 +347,7 @@
             success: function (data) {
                 if (data.code === 0) {
                     let url = "ws://" + backendAddr + "/websocket/" + playerId + "/" + rid;
+                    // let url = "wss://" + backendAddr + "/websocket/" + playerId + "/" + rid;
                     // 打开一个 web socket
                     ws = new WebSocket(url);
                     ws.onopen = function () {