diff --git a/scripts/config.json b/scripts/config.json
index 4c30869..1308956 100644
--- a/scripts/config.json
+++ b/scripts/config.json
@@ -1,7 +1,6 @@
 {
   "apiUrl": "https://superstar.dnsnet.cc",
   "branchName": "測試",
-  "roomName": "102",
   "email": "MachineKTV@gmail.com",
   "password": "aa147258-"
 }
\ No newline at end of file
diff --git a/scripts/heartbeat.ps1 b/scripts/heartbeat.ps1
index 98e3281..02a8433 100644
--- a/scripts/heartbeat.ps1
+++ b/scripts/heartbeat.ps1
@@ -12,7 +12,12 @@ if (!(Test-Path $configPath)) {
     exit 1
 }
 
-$config = Get-Content $configPath | ConvertFrom-Json
+try {
+    $config = Get-Content $configPath -Encoding UTF8 | Out-String | ConvertFrom-Json
+} catch {
+    Log "error Failed to read config.json: $($_.Exception.Message)"
+    exit 1
+}
 
 # Config values
 $apiUrl    = $config.apiUrl.TrimEnd('/') # 移除結尾的 /
@@ -29,7 +34,7 @@ $ip = (Get-NetIPAddress -AddressFamily IPv4 | Where-Object {
 
 function Get-Token {
     $body = @{
-        branch_name = $branchName
+        branch_name    = $branchName
         room_name = $env:COMPUTERNAME
         room_ip   = $ip
         email     = $email
@@ -38,10 +43,13 @@ function Get-Token {
 
     $url = "$apiUrl/api/room/receiveRegister"
     Log "curl Requesting token from: $url"
-
+    # 將送出的 JSON log 起來
+    Log "curl Payload: $body"
+    
     try {
         $response = Invoke-RestMethod -Uri $url -Method Post `
-            -Body $body -ContentType "application/json"
+        -Body $body `
+        -ContentType "application/json; charset=utf-8"
 
         if ($response.data.token) {
             Log "ok Token acquired: $($response.data.token)"
@@ -57,6 +65,7 @@ function Get-Token {
 }
 
 function Send-Heartbeat($token, $ip) {
+    Log "start Send - Heartbeat $token ,$ip"
     while ($true) {
         $heartbeat = @{
             branch_name = $branchName
@@ -70,7 +79,7 @@ function Send-Heartbeat($token, $ip) {
         try {
             Invoke-RestMethod -Uri "$apiUrl/api/room/heartbeat" -Method Post `
                 -Headers @{ Authorization = "Bearer $token" } `
-                -Body $heartbeat -ContentType "application/json"
+                -Body $heartbeat -ContentType "application/json;  charset=utf-8"
 
         } catch {
             Log "error Heartbeat failed: $($_.Exception.Message)"