update readme

config.example.js

@@ -1,8 +1,8 @@
-module.exports = {
-	"sessions": [
-		{
-			"cookie": "your_cookie",
-			"user_agent": "user_agent"
-		}
-	]
-}
+export const config = {
+    "sessions": [
+        {
+            "cookie": "...",
+            "user_agent": "...",
+        }
+    ]
+}

start.bat

@@ -4,5 +4,5 @@ set https_proxy=
 set PORT=8080
 set AI_MODEL=claude_3_opus
 set USE_CUSTOM_MODE=false
-node index
+node index.mjs
 pause

usage.md

@@ -15,7 +15,7 @@
 6. 编辑 `config.example.js` 文件，把上面的 Cookie 和 User Agent 粘贴进去，如果有多个则按如下格式填入。然后另存为把文件名改为 `config.js`
 
 ```
-module.exports = {
+export const config = {
     "sessions": [
         {
             "user_agent": "...",