diff --git a/app/src/main/java/com/ouxuan/oxface/device/MqttManager.java b/app/src/main/java/com/ouxuan/oxface/device/MqttManager.java
index 97843e8..5121c12 100644
--- a/app/src/main/java/com/ouxuan/oxface/device/MqttManager.java
+++ b/app/src/main/java/com/ouxuan/oxface/device/MqttManager.java
@@ -389,6 +389,24 @@ public class MqttManager {
         public void printError(String message) {
             LogManager.logError("TXMQTT", message);
         }
+        
+        @Override
+        public boolean saveLogOffline(String log) {
+            // 简化实现，返回false表示不支持离线日志保存
+            return false;
+        }
+        
+        @Override
+        public String readOfflineLog() {
+            // 简化实现，返回null表示没有离线日志
+            return null;
+        }
+        
+        @Override
+        public boolean delOfflineLog() {
+            // 简化实现，返回true表示删除成功
+            return true;
+        }
     }
     
     /**