refactor: change TMPDIR env.

Author: liqiang-fit2cloud

main.py

@@ -80,6 +80,7 @@ def dev():
 
 if __name__ == '__main__':
     os.environ['HF_HOME'] = '/opt/maxkb-app/model/base'
+    os.environ['TMPDIR'] = '/opt/maxkb-app/tmp'
     parser = argparse.ArgumentParser(
         description="""
            qabot service control tools;