fix 3

app/src/main/java/com/ouxuan/oxface/device/MqttManager.java

@@ -377,7 +377,7 @@ public class MqttManager {
     private class MqttActionCallback extends TXMqttActionCallBack {
         
         @Override
-        public void onConnectCompleted(Status status, boolean reconnect, Object userContext, String msg) {
+        public void onConnectCompleted(Status status, boolean reconnect, Object userContext, String msg, Throwable cause) {
             if (status == Status.OK) {
                 LogManager.logInfo(TAG, "MQTT连接成功 - 重连: " + reconnect);
                 isConnected = true;
@@ -491,6 +491,11 @@ public class MqttManager {
         public boolean delOfflineLog() {
             return false; // 不删除离线日志
         }
+        
+        @Override
+        public String readOfflineLog() {
+            return null; // 不读取离线日志
+        }
     }
     
     /**