修复空指针异常

648540858

2023-07-21 a3d871022c68053ed5fa2c3d213fca7ec4d2136d

 src/main/java/com/genersoft/iot/vmp/vmanager/gb28181/ptz/PtzController.java

@@ -97,6 +97,9 @@
            cmdCode = 32;
            break;
         case "stop":
            horizonSpeed = 0;
            verticalSpeed = 0;
            zoomSpeed = 0;
            break;
         default:
            break;