diff --git a/modules/mogo-module-main/src/main/java/com/mogo/module/main/MainActivity.java b/modules/mogo-module-main/src/main/java/com/mogo/module/main/MainActivity.java
index 322f780d99..1cd2e9cc35 100644
--- a/modules/mogo-module-main/src/main/java/com/mogo/module/main/MainActivity.java
+++ b/modules/mogo-module-main/src/main/java/com/mogo/module/main/MainActivity.java
@@ -231,9 +231,11 @@ public class MainActivity extends MvpActivity<MainView, MainPresenter> implement
         }
 
         mMogoFragmentManager = mServiceApis.getFragmentManagerApi();
-        mMogoFragmentManager.init(this, R.id.module_main_id_search_fragment);
-        mMogoFragmentManager.initMessageHistoryContainerId(R.id.module_main_id_message_history_fragment_container);
-        mMogoFragmentManager.registerMainFragmentStackTransactionListener(this);
+        if (mMogoFragmentManager != null) {
+            mMogoFragmentManager.init(this, R.id.module_main_id_search_fragment);
+            mMogoFragmentManager.initMessageHistoryContainerId(R.id.module_main_id_message_history_fragment_container);
+            mMogoFragmentManager.registerMainFragmentStackTransactionListener(this);
+        }
     }
 
     @Override
@@ -418,9 +420,11 @@ public class MainActivity extends MvpActivity<MainView, MainPresenter> implement
         mServiceApis.getRegisterCenterApi().unregisterADASControlStatusChangedListener(TAG);
         mMogoStatusManager.setMainPageLaunchedStatus(TAG, false);
         mMogoStatusManager.setMainPageIsBackgroundStatus(TAG, false);
-        mMogoFragmentManager.unregisterMainFragmentStackTransactionListener();
-        mMogoFragmentManager.destroy();
-        mMogoFragmentManager = null;
+        if (mMogoFragmentManager != null) {
+            mMogoFragmentManager.unregisterMainFragmentStackTransactionListener();
+            mMogoFragmentManager.destroy();
+            mMogoFragmentManager = null;
+        }
         mServiceApis.getMapServiceApi().getMapUIController().destroy();
         AdasConfigApiController.getInstance().release();
         mServiceApis.getAdasControllerApi().release();