修改bug

amos-boot-module/amos-boot-module-biz/amos-boot-module-command-biz/src/main/java/com/yeejoin/amos/boot/module/command/biz/controller/CommandController.java

@@ -1772,7 +1772,7 @@ public class CommandController extends BaseController {
                     e.put("longitude", String.valueOf(gps.getWgLon()));
                 });
 
-                emqKeeper.getMqttClient().publish(topic, result.toString().getBytes(), RuleConfig.DEFAULT_QOS, false);
+                emqKeeper.getMqttClient().publish(topic, (result.get(0)).toString().getBytes(), RuleConfig.DEFAULT_QOS, false);
             }