thinphp 更新vendor 报错

Warning: require(F:\phpstudy_pro\xyn\heyangtang-crm\vendor\composer/../symfony/deprecation-contracts/function.php): failed to open stream: No such file or directory in F:\phpstudy_pro\xyn\heyangtang-crm\thinkphp\library\think\Loader.php on line 676

Fatal error: require(): Failed opening required 'F:\phpstudy_pro\xyn\heyangtang-crm\vendor\composer/../symfony/deprecation-contracts/function.php' (include_path='.;C:\php\pear') in F:\phpstudy_pro\xyn\heyangtang-crm\thinkphp\library\think\Loader.php on line 676