diff --git a/.gitea/workflows/main.yml b/.gitea/workflows/main.yml
new file mode 100644
index 0000000..fae1a2d
--- /dev/null
+++ b/.gitea/workflows/main.yml
@@ -0,0 +1,56 @@
+name: Backend_main  # 工作流的名称
+
+# 当有代码推送到仓库的 develop 分支时，这个 Actions 工作流会被触发并执行
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: "backend_runner"
+    steps:
+      - name: test
+        shell: powershell
+        run: |
+          echo "Git clone_start"
+  
+          # 設定變數
+          $projectPath = "D:\Code\Project\TCM_main"
+          $backendPath = "D:\Code\Project\TCM_main\Backend"
+          $apiPath = "D:\Code\Server\TCM\API_main"
+
+          cd D:\Code\Project\TCM_main
+          if (Test-Path "Backend") { Remove-Item -Recurse -Force "Backend" }  # 刪除原資料
+          if (-not (Test-Path "Backend")) {New-Item -Path "Backend" -ItemType Directory -Force}  # 建立資料夾
+          echo " Cloneing ..."
+          git clone -b main http://leovip125.ddns.net:8418/TCM/Backend.git
+          echo "Clone End"
+
+          # .NET 發布
+          echo "發布 start"
+
+          # 切換到 Backend 目錄
+          cd $backendPath
+          if ($LASTEXITCODE -ne 0) { exit 1}
+
+          # 還原與建置
+          dotnet restore
+          if ($LASTEXITCODE -ne 0) {exit 1 }
+
+          dotnet build --configuration Release
+          if ($LASTEXITCODE -ne 0) { exit 1}
+
+          # 移除舊的 API 發布資料夾
+          if (Test-Path $apiPath) { Remove-Item -Recurse -Force $apiPath }
+
+          # 確保目標資料夾存在
+          New-Item -Path $apiPath -ItemType Directory -Force | Out-Null
+
+          # 發布
+          dotnet publish -c Release -o $apiPath
+          if ($LASTEXITCODE -ne 0) {exit 1 }
+
+          echo "發布 end"
+
+