diff --git a/smart-switch-service/src/main/java/com/ruoyi/iot/enums/IotHttpStatus.java b/smart-switch-service/src/main/java/com/ruoyi/iot/enums/IotHttpStatus.java
index 3a76d4d1..4e468ac4 100644
--- a/smart-switch-service/src/main/java/com/ruoyi/iot/enums/IotHttpStatus.java
+++ b/smart-switch-service/src/main/java/com/ruoyi/iot/enums/IotHttpStatus.java
@@ -25,6 +25,7 @@ public enum IotHttpStatus {
     DEVICE_EVENT_HISTORY_DATA_QUERY_FAIL(10419, "设备事件历史数据查询失败"),
     DEVICE_OPERATE_RECORD_QUERY_FAIL(10420, "设备操作记录查询失败"),
     DEVICE_NOT_ONLINE(10421, "设备不在线"),
+    TIME_OUT(10500, "发送命令超时"),
     UNKNOWN_ERROR(null, "未知错误");
 
     private final Integer code;
@@ -37,7 +38,7 @@ public enum IotHttpStatus {
     // 将code转换为枚举
     public static IotHttpStatus convertByCode(int code) {
         for (IotHttpStatus status : IotHttpStatus.values()) {
-            if (status.getCode() == code) {
+            if (status.getCode() != null && status.getCode() == code) {
                 return status;
             }
         }