我在我的项目中使用xampp在windows10中使用yii2，但是composer命令什么也不做。
为了了解更多，我必须补充一点，composer命令在每个路径中都有效，一个项目除外。
我的 composer 。

{
    "name": "yiisoft/yii2-app-advanced",
    "description": "Yii 2 Advanced Project Template",
    "keywords": ["yii2", "framework", "advanced", "project template"],
    "homepage": "http://www.yiiframework.com/",
    "type": "project",
    "license": "BSD-3-Clause",
    "support": {
        "issues": "https://github.com/yiisoft/yii2/issues?state=open",
        "forum": "http://www.yiiframework.com/forum/",
        "wiki": "http://www.yiiframework.com/wiki/",
        "irc": "irc://irc.freenode.net/yii",
        "source": "https://github.com/yiisoft/yii2"
    },
    "minimum-stability": "stable",
    "require": {
        "php": ">=5.4.0",
        "yiisoft/yii2": ">=2.0.6",
        "yiisoft/yii2-bootstrap": "*",
        "yiisoft/yii2-swiftmailer": "*",
        "franciscomaya/yii2-sceditor": "dev-master",
        "kartik-v/yii2-widget-sidenav": "*",
        "mohammad-mahdy/yii2-jdate": "*",
        "2amigos/yii2-ckeditor-widget" : "*",
        "2amigos/yii2-gallery-widget": "~1.0",
        "romka-chev/yii2-swiper" : "*",
        "kartik-v/yii2-widgets": "*",
        "kartik-v/yii2-grid": "@dev",
        "yiisoft/yii2-imagine": "*",
        "omnilight/yii2-shopping-cart": "*",
        "fxp/composer-asset-plugin": "^1.0"
    },
    "require-dev": {
        "yiisoft/yii2-codeception": "*",
        "yiisoft/yii2-debug": "*",
        "yiisoft/yii2-gii": "*",
        "yiisoft/yii2-faker": "*"

    },
    "config": {
        "process-timeout": 1800
    },
    "extra": {
        "asset-installer-paths": {
            "npm-asset-library": "vendor/npm",
            "bower-asset-library": "vendor/bower"
        }
    }
}

例如，我想使用composer update命令更新composer，但结果没有任何React。
你知道有什么问题吗？

This page帮不了我。
请帮我解决这个问题。