fix: 修复请求截图api生成文件名称的异常

tnt group

2023-07-30 e9a48e5303e0b2ff69f41fbf7932de896eb85aa8

 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;