修改了判断空库位，查询语句的bug,和摄像头的连接

zyh

2026-01-04 c47395fe29493062a3f0bc2cf1d02a2946b20b88

 src/main/webapp/static/css/cool.css

@@ -41,4 +41,5 @@
}
.cool-auto-complete-window-select option:first-child{
    color:#aaaaaa;
}
}