diff --git a/app/src/main/java/com/gh/common/util/GetLoginDataUtils.java b/app/src/main/java/com/gh/common/util/GetLoginDataUtils.java
index 6a5fb723b6..d385817fae 100644
--- a/app/src/main/java/com/gh/common/util/GetLoginDataUtils.java
+++ b/app/src/main/java/com/gh/common/util/GetLoginDataUtils.java
@@ -173,7 +173,9 @@ public class GetLoginDataUtils {
     }
 
     public void WCLofinCallBack(JSONObject content) {
-        mLoginListener.OnLoginData(content, LoginTag.wechat);
+        if (mLoginListener != null) {
+            mLoginListener.OnLoginData(content, LoginTag.wechat);
+        }
     }
 
     public void onWeiboCallback(int requestCode, int resultCode, Intent data) {
diff --git a/app/src/main/java/com/gh/gamecenter/ask/AskQuestionsNewFragment.java b/app/src/main/java/com/gh/gamecenter/ask/AskQuestionsNewFragment.java
index 88225438f3..99030024b9 100644
--- a/app/src/main/java/com/gh/gamecenter/ask/AskQuestionsNewFragment.java
+++ b/app/src/main/java/com/gh/gamecenter/ask/AskQuestionsNewFragment.java
@@ -20,6 +20,7 @@ import com.gh.gamecenter.NormalActivity;
 import com.gh.gamecenter.R;
 import com.gh.gamecenter.ask.entity.AskTagGroupsEntity;
 import com.gh.gamecenter.ask.viewmodel.AskQuestionsNewViewModel;
+import com.halo.assistant.HaloApp;
 import com.lightgame.view.NoScrollableViewPager;
 
 import java.util.List;
@@ -48,8 +49,6 @@ public class AskQuestionsNewFragment extends BaseFragment {
     @BindView(R.id.list_loading)
     View mLoading;
 
-    public static final String ASK_QUESTIONS_TYPE = "ask_questions_type";
-
     private AskQuestionsNewViewModel mModel;
 
     private List<AskTagGroupsEntity> mTagGroupsList;
@@ -71,14 +70,14 @@ public class AskQuestionsNewFragment extends BaseFragment {
     public void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
-        final AskQuestionsNewViewModel.Factory factory = new AskQuestionsNewViewModel.Factory(getActivity().getApplication());
+        final AskQuestionsNewViewModel.Factory factory = new AskQuestionsNewViewModel.Factory(HaloApp.getInstance().getApplication());
         mModel = ViewModelProviders.of(this, factory)
                 .get(AskQuestionsNewViewModel.class);
         subscribeUi(mModel);
     }
 
     private void subscribeUi(AskQuestionsNewViewModel viewModel) {
-        viewModel.getTagGroupsObserable().observe(this, new Observer<List<AskTagGroupsEntity>>() {
+        viewModel.getTagGroupsObservable().observe(this, new Observer<List<AskTagGroupsEntity>>() {
             @Override
             public void onChanged(@Nullable List<AskTagGroupsEntity> tagGroups) {
                 mTagGroupsList = tagGroups;
diff --git a/app/src/main/java/com/gh/gamecenter/ask/AskTabOrderFragment.java b/app/src/main/java/com/gh/gamecenter/ask/AskTabOrderFragment.java
index c8ec999e63..d924d07cf0 100644
--- a/app/src/main/java/com/gh/gamecenter/ask/AskTabOrderFragment.java
+++ b/app/src/main/java/com/gh/gamecenter/ask/AskTabOrderFragment.java
@@ -68,7 +68,7 @@ public class AskTabOrderFragment extends NormalFragment {
         mViewModel = ViewModelProviders.of(this, factory)
                 .get(AskQuestionsNewViewModel.class);
 
-        mViewModel.getTagGroupsObserable().observe(this, new Observer<List<AskTagGroupsEntity>>() {
+        mViewModel.getTagGroupsObservable().observe(this, new Observer<List<AskTagGroupsEntity>>() {
             @Override
             public void onChanged(@Nullable List<AskTagGroupsEntity> askTagGroups) {
                 if (askTagGroups != null) {
diff --git a/app/src/main/java/com/gh/gamecenter/ask/viewmodel/AskQuestionsNewViewModel.java b/app/src/main/java/com/gh/gamecenter/ask/viewmodel/AskQuestionsNewViewModel.java
index d557a98961..646d90c1b0 100644
--- a/app/src/main/java/com/gh/gamecenter/ask/viewmodel/AskQuestionsNewViewModel.java
+++ b/app/src/main/java/com/gh/gamecenter/ask/viewmodel/AskQuestionsNewViewModel.java
@@ -32,7 +32,7 @@ public class AskQuestionsNewViewModel extends AndroidViewModel {
         mRepository.cacheAndNotifyTagGroups(tagGroups);
     }
 
-    public LiveData<List<AskTagGroupsEntity>> getTagGroupsObserable() {
+    public LiveData<List<AskTagGroupsEntity>> getTagGroupsObservable() {
         return mObserableTagGroupsList;
     }