diff --git a/app/src/main/java/com/bonus/canteen/activity/MainActivity.java b/app/src/main/java/com/bonus/canteen/activity/MainActivity.java
index 4323712..c0afa89 100644
--- a/app/src/main/java/com/bonus/canteen/activity/MainActivity.java
+++ b/app/src/main/java/com/bonus/canteen/activity/MainActivity.java
@@ -53,6 +53,7 @@ import com.bonus.canteen.fragment.PalmFragment;
 import com.bonus.canteen.fragment.StartFragment;
 import com.bonus.canteen.utils.DateTimeHelper;
 import com.bonus.canteen.utils.OkHttpService;
+import com.bonus.canteen.utils.PingUtil;
 import com.bonus.canteen.utils.ThreadPoolManager;
 import com.bonus.canteen.utils.WorkConfig;
 import com.bonus.canteen.utils.listener.DebounceClickListener;
@@ -106,6 +107,7 @@ public class MainActivity extends BaseActivity<ActivityMainBinding> implements C
         super.onCreate(savedInstanceState);
         setFullScreen();
         getServerTime();
+//        setEthEnabled();
         initView();
         initTab();
         startUpdateTime();
@@ -119,6 +121,34 @@ public class MainActivity extends BaseActivity<ActivityMainBinding> implements C
             updateView(1);
         });
         initPort();
+
+    }
+
+    private void setEthEnabled(){
+        MyManager manager = MyManager.getInstance(this);
+        manager.ethEnabled(false);
+
+        Handler handler = new Handler(Looper.getMainLooper());
+        handler.postDelayed(() -> {
+            manager.ethEnabled(true);
+            // 3. 开启网口后，不能立即Ping，需要给系统约5-10秒时间获取IP并连接链路
+            handler.postDelayed(this::performPingCheck, 10000);
+        }, 5000);
+    }
+    /**
+     * 执行 Ping 验证
+     */
+    private void performPingCheck() {
+        PingUtil.ping("192.168.20.234", 3, (isSuccess, rtt, message) -> {
+            if (isSuccess) {
+                Log.d(TAG, "Ping 成功！网络已恢复。RTT: " + rtt + "ms");
+                // 在这里可以通知 UI 或执行后续业务逻辑
+            } else {
+                Log.e(TAG, "Ping 失败，准备重新重置网口...");
+                // 4. 如果 Ping 不通，递归调用重置流程
+                setEthEnabled();
+            }
+        });
     }
 
     private void getServerTime() {
diff --git a/app/src/main/java/com/bonus/canteen/utils/DateTimeHelper.java b/app/src/main/java/com/bonus/canteen/utils/DateTimeHelper.java
index 337de08..3668ed1 100644
--- a/app/src/main/java/com/bonus/canteen/utils/DateTimeHelper.java
+++ b/app/src/main/java/com/bonus/canteen/utils/DateTimeHelper.java
@@ -34,11 +34,11 @@ public class DateTimeHelper {
         return format(new Date(),"HH:mm:ss");
     }
     public static String getTime(){
-        return format(new Date(),"YYYY-MM-dd HH:mm:ss");
+        return format(new Date(),"yyyy-MM-dd HH:mm:ss");
     }
 
     public static String getNowDate(){
-        return format(new Date(),"YYYY-MM-dd");
+        return format(new Date(),"yyyy-MM-dd");
     }
     public static String getCurrentTimeStr(){
         return format(new Date(),"yyyyMMddHHmmssSSS");
diff --git a/app/src/main/java/com/bonus/canteen/utils/PingCallback.java b/app/src/main/java/com/bonus/canteen/utils/PingCallback.java
new file mode 100644
index 0000000..a4abab4
--- /dev/null
+++ b/app/src/main/java/com/bonus/canteen/utils/PingCallback.java
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2026 xuexiangjys(xuexiangjys@163.com)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package com.bonus.canteen.utils;
+
+public interface PingCallback {
+    /**
+     * @param isSuccess 是否 Ping 通
+     * @param rtt       往返时间 (ms)，如果失败为 0
+     * @param message   完整的日志信息或错误信息
+     */
+    void onComplete(boolean isSuccess, float rtt, String message);
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/bonus/canteen/utils/PingUtil.java b/app/src/main/java/com/bonus/canteen/utils/PingUtil.java
new file mode 100644
index 0000000..49461b6
--- /dev/null
+++ b/app/src/main/java/com/bonus/canteen/utils/PingUtil.java
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2026 xuexiangjys(xuexiangjys@163.com)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package com.bonus.canteen.utils;
+
+import android.os.Handler;
+import android.os.Looper;
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
+public class PingUtil {
+
+    private static final ExecutorService executor = Executors.newSingleThreadExecutor();
+    private static final Handler mainHandler = new Handler(Looper.getMainLooper());
+
+    /**
+     * 执行 Ping 操作
+     * @param ip       目标 IP 地址 (如 "192.168.20.234")
+     * @param count    ping 的次数
+     * @param callback 回调
+     */
+    public static void ping(final String ip, final int count, final PingCallback callback) {
+        executor.execute(() -> {
+            StringBuilder log = new StringBuilder();
+            boolean isSuccess = false;
+            float rtt = 0;
+
+            try {
+                // -c: 次数, -W: 超时时间(秒)
+                String command = "/system/bin/ping -c " + count + " -W 2 " + ip;
+                Process process = Runtime.getRuntime().exec(command);
+
+                BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
+                String line;
+                while ((line = reader.readLine()) != null) {
+                    log.append(line).append("\n");
+                    // 简单解析 RTT (形如 time=12.3 ms)
+                    if (line.contains("time=")) {
+                        String timePart = line.substring(line.indexOf("time=") + 5);
+                        String value = timePart.split(" ")[0];
+                        rtt = Float.parseFloat(value);
+                    }
+                }
+
+                // 等待命令执行完成，返回 0 代表网络通
+                int status = process.waitFor();
+                isSuccess = (status == 0);
+
+            } catch (Exception e) {
+                log.append("Error: ").append(e.getMessage());
+                isSuccess = false;
+            }
+
+            // 结果回调到主线程
+            final boolean finalSuccess = isSuccess;
+            final float finalRtt = rtt;
+            final String finalLog = log.toString();
+
+            mainHandler.post(() -> {
+                if (callback != null) {
+                    callback.onComplete(finalSuccess, finalRtt, finalLog);
+                }
+            });
+        });
+    }
+}
\ No newline at end of file