diff --git a/android-example/app/src/main/java/net/irext/ircontrol/ui/fragment/ControlFragment.java b/android-example/app/src/main/java/net/irext/ircontrol/ui/fragment/ControlFragment.java
index 12f036e..62508a1 100644
--- a/android-example/app/src/main/java/net/irext/ircontrol/ui/fragment/ControlFragment.java
+++ b/android-example/app/src/main/java/net/irext/ircontrol/ui/fragment/ControlFragment.java
@@ -190,12 +190,14 @@ public class ControlFragment extends Fragment implements View.OnClickListener {
 
     private void onEmitterConnected() {
         mParent.runOnUiThread(() -> {
+            Log.d(TAG, "onEmitterConnected, set the status and button color in UI");
             mBtnConnect.setImageDrawable(AppCompatResources.getDrawable(mParent, R.mipmap.button_unlink));
             mVWConnectStatus.setBackgroundColor(Color.parseColor("#3FAFFF"));
         });
     }
     private void onEmitterDisconnected() {
         mParent.runOnUiThread(() -> {
+            Log.d(TAG, "onEmitterConnected, set the status and button color in UI");
             ToastUtils.showToast(mParent, mParent.getString(R.string.connect_disconnected), Toast.LENGTH_SHORT);
             mBtnConnect.setImageDrawable(AppCompatResources.getDrawable(mParent, R.mipmap.button_link));
             mVWConnectStatus.setBackgroundColor(Color.parseColor("#FF7F7F"));
diff --git a/arduino-example/src/main.cpp b/arduino-example/src/main.cpp
index b9cd17e..41254e8 100644
--- a/arduino-example/src/main.cpp
+++ b/arduino-example/src/main.cpp
@@ -77,7 +77,6 @@ void printWiFiStatus() {
     if (currentMillis - lastStatusCheck >= ALIVE_DEBUG_INTERVAL) {
         const IPAddress ip = WiFi.localIP();
         if (0 == strcmp(ip.toString().c_str(), "0.0.0.0")) {
-            lastStatusCheck = currentMillis;
             return;
         }
         serialPrint(LOG_INFO, "Wi-Fi SSID: %s", WiFi.SSID());