add update

app/src/main/java/com/ihaoin/hooloo/device/network/HttpUtil.java

@@ -13,6 +13,7 @@ import java.io.IOException;
 import java.net.NetworkInterface;
 import java.util.Collections;
 import java.util.List;
+import java.util.concurrent.TimeUnit;
 
 import okhttp3.Call;
 import okhttp3.Callback;
@@ -44,7 +45,7 @@ public class HttpUtil {
     }
 
     public static void get(String url, Handler handler) {
-        OkHttpClient client = new OkHttpClient();
+        OkHttpClient client = new OkHttpClient.Builder().callTimeout(15, TimeUnit.SECONDS).readTimeout(15, TimeUnit.SECONDS).build();
         Request request = new Request.Builder().url(url).get().build();
         client.newCall(request).enqueue(new Callback() {
             @Override