diff --git a/app/src/main/java/com/nbee/echolink/utils/NetworkUtils.java b/app/src/main/java/com/nbee/echolink/utils/NetworkUtils.java
new file mode 100644
index 0000000..fefb88c
--- /dev/null
+++ b/app/src/main/java/com/nbee/echolink/utils/NetworkUtils.java
@@ -0,0 +1,105 @@
+package com.nbee.echolink.utils;
+import android.content.Context;
+import android.os.Handler;
+
+import com.google.gson.Gson;
+import com.nbee.echolink.R;
+import com.nbee.echolink.model.CallInfo;
+import com.nbee.echolink.model.SMSInfo;
+import com.nbee.echolink.model.WeChatMsg;
+import com.nbee.echolink.response.ApiResponse;
+
+
+import java.io.IOException;
+
+import okhttp3.MediaType;
+import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.RequestBody;
+import timber.log.Timber;
+
+public class NetworkUtils {
+    private final String TAG = "NetworkUtils";
+    private final String callApiUrl;
+    private final String smsApiUrl;
+    private final String wechatApiUrl;
+    private final String accessToken;
+    private final Handler handler = new Handler();
+    private static final int MAX_RETRIES = 3;
+    private static final long RETRY_DELAY_MS = 2000; // 重试延迟，例如2秒
+    // OkHttpClient的单例
+    private static final OkHttpClient client = new OkHttpClient();
+
+    // API URL
+    public NetworkUtils(Context context) {
+        callApiUrl = context.getResources().getString(R.string.call_api_url);
+        smsApiUrl = context.getResources().getString(R.string.message_api_url);
+        wechatApiUrl= context.getResources().getString(R.string.send_wechat_msg_api_url);
+        accessToken = context.getResources().getString(R.string.access_token);
+    }
+
+    public <T> void postRequest(T dataObject) {
+        // 使用单例的OkHttpClient
+        if (dataObject instanceof CallInfo) {
+            postRequestWithRetry(dataObject, 0, callApiUrl);
+        } else if (dataObject instanceof SMSInfo) {
+            postRequestWithRetry(dataObject, 0, smsApiUrl);
+        } else if (dataObject instanceof WeChatMsg){
+            postRequestWithRetry(dataObject,0,wechatApiUrl);
+        }
+    }
+
+    private <T> void postRequestWithRetry(T dataObject, int retryCount,String apiUrl) {
+        // ... 构建请求 ...
+        Request request = buildRequest(dataObject,apiUrl);
+        Timber.d("Sending request to " + apiUrl + " (Retry count: " + retryCount + ")");
+        
+        client.newCall(request).enqueue(new okhttp3.Callback() {
+            @Override
+            public void onFailure(okhttp3.Call call, IOException e) {
+                Timber.d("Request to " + apiUrl + " failed on attempt " + retryCount+ e);
+                if (retryCount < MAX_RETRIES) {
+                    handler.postDelayed(() -> postRequestWithRetry(dataObject, retryCount + 1,apiUrl), RETRY_DELAY_MS);
+                } else {
+                    Timber.e("onFailure: Failed after " + MAX_RETRIES + " attempts" + e);
+                    // 超出重试次数，处理失败情况
+                }
+            }
+            @Override
+            public void onResponse(okhttp3.Call call, okhttp3.Response response) throws IOException {
+                if (!response.isSuccessful()) {
+                    // 在这里处理响应错误
+                    Timber.d("Request to " + apiUrl + " returned error: " + response.code() + ", " + response.message());
+                    throw new IOException("Unexpected code " + response);
+                }
+                // ... 处理响应 ...
+                Gson gson1 = new Gson();
+                ApiResponse apiResponse = gson1.fromJson(response.body().string(), ApiResponse.class);
+                Timber.d("ApiResponse" + apiResponse);
+                if (apiResponse.getCode().equals(0)){
+                    Timber.d("Received response from " + apiUrl + ": " + apiResponse.getCode() + " - " + apiResponse.getMsg());
+                }
+            }
+        });
+    }
+
+    private <T>Request buildRequest(T dataObject,String apiUrl){
+        Gson gson = new Gson();
+        // 将对象转换为JSON字符串
+        String json = gson.toJson(dataObject);
+        Timber.d("Building request to " + apiUrl + " with data: " + json);
+        // 创建请求体
+        MediaType JSON = MediaType.get("application/json; charset=utf-8");
+        RequestBody body = RequestBody.create(json, JSON);
+
+        // 构建请求，并设置请求头
+        Request request = new Request.Builder()
+                .url(apiUrl)
+                .addHeader("accessToken", accessToken) // 使用加载的accessToken
+                .addHeader("Content-Type", "application/json")
+                .post(body)
+                .build();
+        
+        return request;
+    }
+}