修改bug

amos-boot-module/amos-boot-module-biz/amos-boot-module-jcs-biz/src/main/java/com/yeejoin/amos/boot/module/jcs/biz/config/StartLoader.java

@@ -46,7 +46,7 @@ public class StartLoader implements ApplicationRunner {
             emqKeeper.getMqttClient().subscribe(topic, (s, mqttMessage) -> {
                 byte[] payload = mqttMessage.getPayload();
                 try {
-                    String obj = new String(payload,"GB2312");
+                    String obj = new String(payload);
                     if (!ValidationUtil.isEmpty(obj)) {
                         JSONObject json = JSON.parseObject(obj);
                         AlertNewsDto alertNewsDto = new AlertNewsDto( "物联警情", json.get("unitInvolvedName")+","+json.get("address")+"，发生警情，请处理。", json.get("id").toString(),  json);