在线颜色选择网站。用户点击网页上的图像可选取颜色，能获取所选像素的 HTML 颜色代码、十六进制（HEX）颜色代码值、RGB 值和 HSV 值，并且同时支持用户自己上传图像。
Fatal error: Uncaught ArgumentCountError: Too few arguments to function get_sites_preview(), 1 passed in /www/wwwroot/jqnav.cn/wp-content/plugins/jqnav-tool-5.0/src/Core/OneNav.php on line 45 and exactly 2 expected in /www/wwwroot/jqnav.cn/wp-content/themes/onenav/inc/functions/io-single-site.php:420 Stack trace: #0 /www/wwwroot/jqnav.cn/wp-content/plugins/jqnav-tool-5.0/src/Core/OneNav.php(45): get_sites_preview() #1 /www/wwwroot/jqnav.cn/wp-content/plugins/jqnav-tool-5.0/src/Modules/Screenshot/Screenshot.php(29): NavTool\Core\OneNav::getSitesPreview() #2 /www/wwwroot/jqnav.cn/wp-includes/class-wp-hook.php(341): NavTool\Modules\Screenshot\Screenshot->displayPreview() #3 /www/wwwroot/jqnav.cn/wp-includes/class-wp-hook.php(365): WP_Hook->apply_filters() #4 /www/wwwroot/jqnav.cn/wp-includes/plugin.php(522): WP_Hook->do_action() #5 /www/wwwroot/jqnav.cn/wp-content/themes/onenav/inc/functions/io-single-site.php(112): do_action() #6 /www/wwwroot/jqnav.cn/wp-content/themes/onenav/single-sites.php(38): io_site_content() #7 /www/wwwroot/jqnav.cn/wp-includes/template-loader.php(132): include('...') #8 /www/wwwroot/jqnav.cn/wp-blog-header.php(19): require_once('...') #9 /www/wwwroot/jqnav.cn/index.php(17): require('...') #10 {main} thrown in /www/wwwroot/jqnav.cn/wp-content/themes/onenav/inc/functions/io-single-site.php on line 420

此站点遇到了致命错误。

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