修复 流已经关闭后，再次调用关闭流的接口，返回超时

panlinlin

2021-04-16 c5f2aba9b20089f184ce175b58a33a881ea9e0b1

 src/main/java/com/genersoft/iot/vmp/gb28181/bean/PlatformGbStream.java

@@ -28,4 +28,5 @@
    public void setPlatformId(String platformId) {
        this.platformId = platformId;
    }

}