diff --git a/app/src/main/java/com/gh/gamecenter/GameDetailsActivity.java b/app/src/main/java/com/gh/gamecenter/GameDetailsActivity.java
index 4a4f1dadd9..6b6d6b1841 100644
--- a/app/src/main/java/com/gh/gamecenter/GameDetailsActivity.java
+++ b/app/src/main/java/com/gh/gamecenter/GameDetailsActivity.java
@@ -1,21 +1,16 @@
 package com.gh.gamecenter;
 
-import android.app.Dialog;
 import android.content.Context;
 import android.content.Intent;
 import android.graphics.Color;
 import android.os.Bundle;
 import android.os.Handler;
-import android.os.Message;
 import android.support.v7.widget.LinearLayoutManager;
 import android.support.v7.widget.RecyclerView;
-import android.text.Html;
-import android.text.Spanned;
 import android.text.TextUtils;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
-import android.view.Window;
 import android.widget.ImageView;
 import android.widget.LinearLayout;
 import android.widget.ProgressBar;
@@ -30,7 +25,6 @@ import com.android.volley.VolleyError;
 import com.gh.base.AppController;
 import com.gh.base.BaseActivity;
 import com.gh.common.constant.Config;
-import com.gh.common.constant.Constants;
 import com.gh.common.util.ConcernUtils;
 import com.gh.common.util.DataUtils;
 import com.gh.common.util.DialogUtils;
@@ -189,7 +183,7 @@ public class GameDetailsActivity extends BaseActivity implements View.OnClickLis
                     if (NetworkUtils.isWifiConnected(this)) {
                         download(v);
                     } else {
-                        DialogUtils.showWarningDialog(this, new DialogUtils.ConfiremListener() {
+                        DialogUtils.showDownloadDialog(this, new DialogUtils.ConfiremListener() {
                             @Override
                             public void onConfirem() {
                                 download(v);
diff --git a/app/src/main/java/com/gh/gamecenter/SplashScreenActivity.java b/app/src/main/java/com/gh/gamecenter/SplashScreenActivity.java
index 9e32bff768..69f1031f87 100644
--- a/app/src/main/java/com/gh/gamecenter/SplashScreenActivity.java
+++ b/app/src/main/java/com/gh/gamecenter/SplashScreenActivity.java
@@ -7,7 +7,6 @@ import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.SharedPreferences.Editor;
 import android.os.Bundle;
-import android.os.Handler;
 import android.support.v4.util.ArrayMap;
 import android.support.v4.view.PagerAdapter;
 import android.support.v4.view.ViewPager;
diff --git a/app/src/main/java/com/gh/gamecenter/download/DownLoadFragment.java b/app/src/main/java/com/gh/gamecenter/download/DownLoadFragment.java
index dfcba9e1cf..e3c40c8a1f 100644
--- a/app/src/main/java/com/gh/gamecenter/download/DownLoadFragment.java
+++ b/app/src/main/java/com/gh/gamecenter/download/DownLoadFragment.java
@@ -28,8 +28,6 @@ import com.gh.gamecenter.eventbus.EBPackage;
 import com.gh.gamecenter.eventbus.EBShowDone;
 import com.gh.gamecenter.eventbus.EBUISwitch;
 
-import org.w3c.dom.Text;
-
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
diff --git a/app/src/main/java/com/gh/gamecenter/game/Game1FragmentAdapter.java b/app/src/main/java/com/gh/gamecenter/game/Game1FragmentAdapter.java
index f554f02694..2fb0b959d9 100644
--- a/app/src/main/java/com/gh/gamecenter/game/Game1FragmentAdapter.java
+++ b/app/src/main/java/com/gh/gamecenter/game/Game1FragmentAdapter.java
@@ -41,7 +41,6 @@ import com.gh.gamecenter.PluginActivity;
 import com.gh.gamecenter.R;
 import com.gh.gamecenter.SubjectActivity;
 import com.gh.gamecenter.adapter.ImagePagerAdapter;
-import com.gh.gamecenter.adapter.PluginAdapter;
 import com.gh.gamecenter.adapter.viewholder.FooterViewHolder;
 import com.gh.gamecenter.adapter.viewholder.GameHeadViewHolder;
 import com.gh.gamecenter.adapter.viewholder.GameImageViewHolder;
diff --git a/app/src/main/java/com/gh/gamecenter/personal/ConcernFragmentAdapter.java b/app/src/main/java/com/gh/gamecenter/personal/ConcernFragmentAdapter.java
index ab5da2f30e..38843067ca 100644
--- a/app/src/main/java/com/gh/gamecenter/personal/ConcernFragmentAdapter.java
+++ b/app/src/main/java/com/gh/gamecenter/personal/ConcernFragmentAdapter.java
@@ -10,9 +10,7 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.RelativeLayout;
 
-import com.android.volley.NoConnectionError;
 import com.android.volley.Response;
-import com.android.volley.TimeoutError;
 import com.android.volley.VolleyError;
 import com.gh.base.AppController;
 import com.gh.common.constant.Config;
@@ -29,7 +27,6 @@ import com.gh.download.DownloadManager;
 import com.gh.gamecenter.ConcernActivity;
 import com.gh.gamecenter.GameDetailsActivity;
 import com.gh.gamecenter.R;
-import com.gh.gamecenter.adapter.PluginAdapter;
 import com.gh.gamecenter.adapter.viewholder.FooterViewHolder;
 import com.gh.gamecenter.adapter.viewholder.GameNormalViewHolder;
 import com.gh.gamecenter.adapter.viewholder.NoDataSkipViewHolder;
diff --git a/app/src/main/java/com/gh/gamecenter/personal/InstallFragmentAdapter.java b/app/src/main/java/com/gh/gamecenter/personal/InstallFragmentAdapter.java
index a8e3633d26..7fd0401575 100644
--- a/app/src/main/java/com/gh/gamecenter/personal/InstallFragmentAdapter.java
+++ b/app/src/main/java/com/gh/gamecenter/personal/InstallFragmentAdapter.java
@@ -10,9 +10,7 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.RelativeLayout;
 
-import com.android.volley.NoConnectionError;
 import com.android.volley.Response;
-import com.android.volley.TimeoutError;
 import com.android.volley.VolleyError;
 import com.gh.base.AppController;
 import com.gh.common.constant.Config;