diff --git a/app/build.gradle b/app/build.gradle
index e3bfca3..24f00f7 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -7,8 +7,8 @@ android {
         applicationId "sun.bob.leela"
         minSdkVersion 16
         targetSdkVersion 24
-        versionCode 1
-        versionName "1.1"
+        versionCode 2
+        versionName "1.2"
         renderscriptSupportModeEnabled true
         resConfigs "en", "zh"
     }
diff --git a/app/src/main/java/sun/bob/leela/runnable/QuickPassRunnable.java b/app/src/main/java/sun/bob/leela/runnable/QuickPassRunnable.java
index 044402d..aeef2ca 100644
--- a/app/src/main/java/sun/bob/leela/runnable/QuickPassRunnable.java
+++ b/app/src/main/java/sun/bob/leela/runnable/QuickPassRunnable.java
@@ -44,7 +44,7 @@ public QuickPassRunnable(String quickCode, String password) {
 
     private void getPasswordHash() {
         Account account = AccountHelper.getInstance(null).getQuickAccount();
-        if (this.passwordHash == null) {
+        if (account == null) {
             UserDefault.getInstance(null).clearQuickPassword();
             AccountHelper.getInstance(null).clearQuickAccount();
             return;
diff --git a/app/src/main/java/sun/bob/leela/ui/activities/SettingsActivity.java b/app/src/main/java/sun/bob/leela/ui/activities/SettingsActivity.java
index 6126536..ed0be4a 100644
--- a/app/src/main/java/sun/bob/leela/ui/activities/SettingsActivity.java
+++ b/app/src/main/java/sun/bob/leela/ui/activities/SettingsActivity.java
@@ -133,29 +133,6 @@ public void onClick(TextItem textItem) {
             }
         }));
 
-//        if (UserDefault.getInstance(null).hasQuickPassword()) {
-//            selectorItem = new SelectorItem(this, UserDefault.kSettingsQuickPassByte).setAdapter(new SettingsSpinnerAdapter()).setOnItemClickListener(new AdapterView.OnItemSelectedListener() {
-//                @Override
-//                public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
-//                    getStorageInterface().save(UserDefault.kSettingsQuickPassByte, id);
-//                }
-//
-//                @Override
-//                public void onNothingSelected(AdapterView<?> parent) {
-//
-//                }
-//            });
-//
-//            if (UserDefault.getInstance(null).getQuickPassByte() == UserDefault.v4x4) {
-//                selectorItem.setSelectedPos(1);
-//            } else {
-//                selectorItem.setSelectedPos(0);
-//            }
-//
-//            addItem(selectorItem);
-//        } else {
-//
-//        }
 
     }
 
@@ -190,7 +167,12 @@ public void onEventMainThread(Object event) {
             }
             return;
         }
-        dialog.dismiss();
+        if (dialog != null) {
+            dialog.dismiss();
+        }
+        if (!(event instanceof DBExportEvent)) {
+            return;
+        }
         DBExportEvent dbExportEvent = (DBExportEvent) event;
         if (dbExportEvent.success) {
             new AlertDialog.Builder(this)
diff --git a/app/src/main/java/sun/bob/leela/utils/CryptoUtil.java b/app/src/main/java/sun/bob/leela/utils/CryptoUtil.java
index 0d5e769..82b8647 100644
--- a/app/src/main/java/sun/bob/leela/utils/CryptoUtil.java
+++ b/app/src/main/java/sun/bob/leela/utils/CryptoUtil.java
@@ -207,7 +207,9 @@ public void onEventMainThread(CryptoEvent event) {
                 EventBus.getDefault().unregister(this);
                 break;
             case AppConstants.TYPE_SHTHPPN:
-                dialog.dismiss();
+                if (dialog != null) {
+                    dialog.dismiss();
+                }
                 break;
             default:
                 if (dialog != null) {