diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 7d3c66c210..c59f647585 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -64,7 +64,7 @@
             android:value="81DB144D555386A38A70B833537EC256" />
         <meta-data
             android:name="TD_CHANNEL_ID"
-            android:value="${CHANNEL_VALUE}"
+            android:value="GH_TEST"
             />
         <!--android:value="${CHANNEL_VALUE}"-->
 
@@ -74,7 +74,7 @@
             android:value="APV567FTBS7J"/>
         <meta-data
             android:name="InstallChannel"
-            android:value="${CHANNEL_VALUE}"/>
+            android:value="GH_TEST"/>
         <!--android:value="${CHANNEL_VALUE}"-->
 
         <activity
diff --git a/app/src/main/java/com/gh/common/util/NewsUtils.java b/app/src/main/java/com/gh/common/util/NewsUtils.java
index bdd64d5bfc..48e266bb63 100644
--- a/app/src/main/java/com/gh/common/util/NewsUtils.java
+++ b/app/src/main/java/com/gh/common/util/NewsUtils.java
@@ -11,7 +11,6 @@ import com.gh.gamecenter.NewsActivity;
 import com.gh.gamecenter.R;
 import com.gh.gamecenter.entity.NewsDetailsEntity;
 import com.gh.gamecenter.entity.NewsEntity;
-import com.gh.gamecenter.news.News3Fragment;
 import com.gh.gamecenter.volley.extended.JsonObjectExtendedRequest;
 
 import org.json.JSONObject;
diff --git a/app/src/main/java/com/gh/download/DownloadTask.java b/app/src/main/java/com/gh/download/DownloadTask.java
index 7951d2f61a..30a418d754 100644
--- a/app/src/main/java/com/gh/download/DownloadTask.java
+++ b/app/src/main/java/com/gh/download/DownloadTask.java
@@ -7,7 +7,6 @@ import android.os.Message;
 import com.gh.common.constant.Constants;
 import com.gh.common.util.FileUtils;
 import com.gh.common.util.Trace;
-import com.gh.common.util.Utils;
 
 import java.text.DecimalFormat;
 import java.util.HashMap;
diff --git a/app/src/main/java/com/gh/gamecenter/GameDetailsActivity.java b/app/src/main/java/com/gh/gamecenter/GameDetailsActivity.java
index 30f699c63f..7a0e447d84 100644
--- a/app/src/main/java/com/gh/gamecenter/GameDetailsActivity.java
+++ b/app/src/main/java/com/gh/gamecenter/GameDetailsActivity.java
@@ -37,14 +37,12 @@ import com.gh.common.util.MD5Utils;
 import com.gh.common.util.NetworkUtils;
 import com.gh.common.util.PackageUtils;
 import com.gh.common.util.PlatformUtils;
-import com.gh.common.util.RunningUtils;
 import com.gh.common.util.TimestampUtils;
 import com.gh.common.util.Utils;
 import com.gh.common.view.DownloadDialog;
 import com.gh.download.DataWatcher;
 import com.gh.download.DownloadEntry;
 import com.gh.download.DownloadManager;
-import com.gh.download.DownloadStatus;
 import com.gh.gamecenter.entity.ApkEntity;
 import com.gh.gamecenter.entity.DismissEntity;
 import com.gh.gamecenter.entity.GameEntity;
diff --git a/app/src/main/java/com/gh/gamecenter/MainActivity.java b/app/src/main/java/com/gh/gamecenter/MainActivity.java
index cc7399a8cb..e7040d443a 100644
--- a/app/src/main/java/com/gh/gamecenter/MainActivity.java
+++ b/app/src/main/java/com/gh/gamecenter/MainActivity.java
@@ -26,7 +26,6 @@ import android.view.Window;
 import android.widget.ImageView;
 import android.widget.ProgressBar;
 import android.widget.TextView;
-import android.widget.Toast;
 
 import com.android.volley.Request.Method;
 import com.android.volley.Response;
diff --git a/app/src/main/java/com/gh/gamecenter/news/News3Fragment.java b/app/src/main/java/com/gh/gamecenter/news/News3Fragment.java
index c38853a52b..6b1062012f 100644
--- a/app/src/main/java/com/gh/gamecenter/news/News3Fragment.java
+++ b/app/src/main/java/com/gh/gamecenter/news/News3Fragment.java
@@ -6,7 +6,6 @@ import android.support.v4.app.Fragment;
 import android.support.v7.widget.LinearLayoutManager;
 import android.support.v7.widget.RecyclerView;
 import android.view.LayoutInflater;
-import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.LinearLayout;
diff --git a/app/src/main/java/com/gh/gamecenter/news/News3FragmentAdapter.java b/app/src/main/java/com/gh/gamecenter/news/News3FragmentAdapter.java
index 4fc8c27d2b..2ecae0003c 100644
--- a/app/src/main/java/com/gh/gamecenter/news/News3FragmentAdapter.java
+++ b/app/src/main/java/com/gh/gamecenter/news/News3FragmentAdapter.java
@@ -2,7 +2,6 @@ package com.gh.gamecenter.news;
 
 import android.content.Context;
 import android.net.Uri;
-import android.support.v4.widget.ContentLoadingProgressBar;
 import android.support.v7.widget.RecyclerView;
 import android.text.TextUtils;
 import android.view.LayoutInflater;
@@ -17,7 +16,6 @@ import android.widget.TextView;
 import android.widget.Toast;
 
 import com.android.volley.NoConnectionError;
-import com.android.volley.Request;
 import com.android.volley.Response;
 import com.android.volley.TimeoutError;
 import com.android.volley.VolleyError;
@@ -33,13 +31,10 @@ import com.gh.gamecenter.R;
 import com.gh.gamecenter.entity.NewsEntity;
 import com.gh.gamecenter.manager.DataCollectionManager;
 import com.gh.gamecenter.volley.extended.JsonArrayExtendedRequest;
-import com.gh.gamecenter.volley.extended.JsonObjectExtendedRequest;
 import com.google.gson.Gson;
 import com.google.gson.reflect.TypeToken;
 
 import org.json.JSONArray;
-import org.json.JSONException;
-import org.json.JSONObject;
 
 import java.lang.reflect.Type;
 import java.text.SimpleDateFormat;