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/java/com/zy/common/properties/SystemProperties.java

@@ -15,7 +15,8 @@
    public static final String SALT = "123456789qwertyu";

    // 系统激活状态 (默认未激活)
    public static boolean SYSTEM_ACTIVATION = Boolean.FALSE;
//    public static boolean SYSTEM_ACTIVATION = Boolean.FALSE;
    public static boolean SYSTEM_ACTIVATION = Boolean.TRUE;

    public static String getActivationCode(String fileName){
        StringBuilder activationCode = new StringBuilder();