fix

src/PackageClass.php

@@ -25,7 +25,7 @@ class PackageClass
 		return true;
 	}
 	
-	private static function install(){
+	private static function install($vendorDir,$rootPkg,$vendorPkgs){
 		//依赖库都已下载，默认先给个进度
 		self::setProgressStep1(100);