fix: PYTHONUTF8=1 强制 UTF-8 文件系统编码

Jenkinsfile

@@ -17,9 +17,10 @@ pipeline {
         stage('Build Docs') {
             steps {
                 bat '''
-                    chcp 65001 > nul
+                    set PYTHONUTF8=1
+                    set PYTHONIOENCODING=utf-8
                     pip3 install mkdocs-material --quiet
-                    python -c "import sys; sys.stdout.reconfigure(encoding='utf-8'); import subprocess; subprocess.run([sys.executable, '-X', 'utf8', '-m', 'mkdocs', 'build', '--clean', '--site-dir', 'site'])"
+                    python -m mkdocs build --clean --site-dir site
                 '''
             }
         }