diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 65711b6..071f715 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -19,7 +19,7 @@
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
 
-        <activity android:name="org.houxg.leamonax.ui.LeaLaunchActivity">
+        <activity android:name="org.houxg.leamonax.ui.LaunchActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
diff --git a/app/src/main/java/org/houxg/leamonax/ui/LeaLaunchActivity.java b/app/src/main/java/org/houxg/leamonax/ui/LaunchActivity.java
similarity index 87%
rename from app/src/main/java/org/houxg/leamonax/ui/LeaLaunchActivity.java
rename to app/src/main/java/org/houxg/leamonax/ui/LaunchActivity.java
index 971d24c..1c0ba59 100644
--- a/app/src/main/java/org/houxg/leamonax/ui/LeaLaunchActivity.java
+++ b/app/src/main/java/org/houxg/leamonax/ui/LaunchActivity.java
@@ -8,7 +8,7 @@ import org.houxg.leamonax.model.Account;
 import org.houxg.leamonax.network.ApiProvider;
 import org.houxg.leamonax.service.AccountService;
 
-public class LeaLaunchActivity extends Activity {
+public class LaunchActivity extends Activity {
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -17,7 +17,7 @@ public class LeaLaunchActivity extends Activity {
         if (AccountService.isSignedIn()) {
             Account account = AccountService.getCurrent();
             ApiProvider.getInstance().init(account.getHost());
-            intent = new Intent(this, MainActivity.class);
+            intent = MainActivity.getOpenIntent(this, false);
         } else {
             intent = new Intent(this, SignInActivity.class);
         }
diff --git a/app/src/main/java/org/houxg/leamonax/ui/MainActivity.java b/app/src/main/java/org/houxg/leamonax/ui/MainActivity.java
index f38ee89..aa09cc3 100644
--- a/app/src/main/java/org/houxg/leamonax/ui/MainActivity.java
+++ b/app/src/main/java/org/houxg/leamonax/ui/MainActivity.java
@@ -87,7 +87,7 @@ public class MainActivity extends BaseActivity implements NotebookAdapter.Notebo
         getSupportActionBar().setHomeAsUpIndicator(R.drawable.ic_menu_white);
 
         if (savedInstanceState == null) {
-            mNoteFragment = NoteFragment.newInstance();
+            mNoteFragment = NoteFragment.newInstance(getIntent().getBooleanExtra(EXT_SHOULD_RELOAD, false));
             getFragmentManager().beginTransaction().add(R.id.container, mNoteFragment, TAG_NOTE_FRAGMENT).commit();
         } else {
             mNoteFragment = (NoteFragment) getFragmentManager().findFragmentByTag(TAG_NOTE_FRAGMENT);
diff --git a/app/src/main/java/org/houxg/leamonax/ui/NoteFragment.java b/app/src/main/java/org/houxg/leamonax/ui/NoteFragment.java
index de1b2ed..ec5ffdc 100644
--- a/app/src/main/java/org/houxg/leamonax/ui/NoteFragment.java
+++ b/app/src/main/java/org/houxg/leamonax/ui/NoteFragment.java
@@ -32,6 +32,7 @@ import org.houxg.leamonax.model.Note;
 import org.houxg.leamonax.model.SyncEvent;
 import org.houxg.leamonax.service.NoteService;
 import org.houxg.leamonax.utils.DisplayUtils;
+import org.houxg.leamonax.utils.NetworkUtils;
 import org.houxg.leamonax.utils.ToastUtils;
 
 import java.util.Locale;
@@ -48,6 +49,7 @@ public class NoteFragment extends Fragment implements NoteAdapter.NoteAdapterLis
 
     private static final String TAG = "NoteFragment";
     private static final String EXT_SCROLL_POSITION = "ext_scroll_position";
+    private static final String EXT_SHOULD_FETCH_NOTES = "ext_should_fetch_notes";
 
     public static final int RECENT_NOTES = -1;
 
@@ -64,8 +66,12 @@ public class NoteFragment extends Fragment implements NoteAdapter.NoteAdapterLis
     public NoteFragment() {
     }
 
-    public static NoteFragment newInstance() {
-        return new NoteFragment();
+    public static NoteFragment newInstance(boolean shouldFetchNotes) {
+        NoteFragment fragment = new NoteFragment();
+        Bundle bundle = new Bundle();
+        bundle.putBoolean(EXT_SHOULD_FETCH_NOTES, shouldFetchNotes);
+        fragment.setArguments(bundle);
+        return fragment;
     }
 
     @Nullable
@@ -87,8 +93,7 @@ public class NoteFragment extends Fragment implements NoteAdapter.NoteAdapterLis
         mSwipeRefresh.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
             @Override
             public void onRefresh() {
-                //TODO:check network
-                NoteSyncService.startServiceForNote(getActivity());
+                syncNotes();
             }
         });
 
@@ -108,12 +113,30 @@ public class NoteFragment extends Fragment implements NoteAdapter.NoteAdapterLis
         return view;
     }
 
+    private void syncNotes() {
+        if (!NetworkUtils.isNetworkAvailable(getActivity())) {
+            ToastUtils.showNetworkUnavailable(getActivity());
+            return;
+        }
+        NoteSyncService.startServiceForNote(getActivity());
+    }
+
     @Override
     public void onActivityCreated(Bundle savedInstanceState) {
         super.onActivityCreated(savedInstanceState);
         EventBus.getDefault().register(this);
         if (savedInstanceState == null) {
             mAdapter.loadFromLocal();
+            if (getArguments().getBoolean(EXT_SHOULD_FETCH_NOTES, false)) {
+                mSwipeRefresh.postDelayed(new Runnable() {
+                    @Override
+                    public void run() {
+                        Log.i(TAG, "fetch notes");
+                        mSwipeRefresh.setRefreshing(true);
+                        syncNotes();
+                    }
+                }, 200);
+            }
         }
         if (savedInstanceState != null) {
             mScrollPosition = savedInstanceState.getFloat(EXT_SCROLL_POSITION, 0);
@@ -149,10 +172,6 @@ public class NoteFragment extends Fragment implements NoteAdapter.NoteAdapterLis
         }
     }
 
-    public void loadNoteWithTag(String tag) {
-        mAdapter.loadFromLocal();
-    }
-
     @Override
     public void onClickNote(Note note) {
         startActivity(NotePreviewActivity.getOpenIntent(getActivity(), note.getId()));
diff --git a/app/src/main/java/org/houxg/leamonax/ui/SignInActivity.java b/app/src/main/java/org/houxg/leamonax/ui/SignInActivity.java
index f6f750b..8d783b8 100644
--- a/app/src/main/java/org/houxg/leamonax/ui/SignInActivity.java
+++ b/app/src/main/java/org/houxg/leamonax/ui/SignInActivity.java
@@ -155,7 +155,7 @@ public class SignInActivity extends BaseActivity implements TextWatcher {
                             startActivity(intent);
                             finish();
                         } else {
-                            ToastUtils.show(SignInActivity.this, R.string.wron_email_or_password);
+                            ToastUtils.show(SignInActivity.this, R.string.email_or_password_incorrect);
                         }
                     }
                 });
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index f2eeeba..06b9ee9 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -29,7 +29,7 @@
     <string name="change_password_failed">Change password failed</string>
     <string name="choose_notebook">Choose notebook</string>
     <string name="delete_note_failed">Delete note failed</string>
-    <string name="wron_email_or_password">Wrong email or password</string>
+    <string name="email_or_password_incorrect">Email or password is incorrect</string>
     <string name="network_error">Network error</string>
     <string name="untitled">Untitled</string>
     <string name="time_yesterday">Yesterday %s</string>