diff --git a/.gitea/workflows/research_build_manual.yaml b/.gitea/workflows/research_build_manual.yaml
index af44dc8d..8fca2bc4 100644
--- a/.gitea/workflows/research_build_manual.yaml
+++ b/.gitea/workflows/research_build_manual.yaml
@@ -114,10 +114,13 @@ jobs:
 
       - name: 8.同步文件到远程服务器
         env:
-          SSH_PWD: ${{ secrets.SSH_PASSWORD }} 
+          # 注意：这里的名字必须全大写 SSHPASS，sshpass 工具会自动识别这个变量名
+          SSHPASS: ${{ secrets.SSH_PASSWORD }} 
         run: |
-          echo "===== 使用密码同步文件到远程服务器 ====="          
-          sshpass -e scp -o StrictHostKeyChecking=no \
+          echo "===== 使用密码同步文件到远程服务器 ====="
+          
+          # 确保环境变量已加载，直接调用 sshpass -e
+          sshpass -e scp -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null \
             ./target/*.jar ./Dockerfile ./docker-compose.yml \
             ${{ secrets.SEARCH_SERVER_USER }}@${{ secrets.SEARCH_SERVER_HOST }}:${{ env.REMOTE_DEPLOY_PATH }}