错误消息更新

src/main/java/com/dreamworks/boditech/service/AccountService.java

@@ -61,7 +61,7 @@ public class AccountService {
     // logout
     public void logout() {
         if ( this.deviceService.isExecutorRunning() ) {
-            throw new RuntimeException("ACCOUNT_LOGOUT_EXECUTOR_RUNNING");
+            throw new RuntimeException("设备正在运行，无法退出登录");
         }
 
         this.actionLog.log("account.logout");

src/main/java/com/dreamworks/boditech/service/DeviceService.java

@@ -83,7 +83,7 @@ public class DeviceService {
      */
     public void start() {
         if ( null != this.taskExecutor ) {
-            throw new RuntimeException("DEVICE_ALREADY_STARTED");
+            throw new RuntimeException("设备已启动");
         }
 
         // @TODO : 后面要详细检查耗材