[6.1.0]fix bug of close screen to operate null map instance

core/function-impl/mogo-core-function-hmi/src/main/java/com/mogo/eagle/core/function/main/MainActivity.kt

@@ -349,8 +349,6 @@ open class MainActivity : MvpActivity<MainView?, MainPresenter?>(), MainView,
         CallerAutoPilotStatusListenerManager.removeListener(TAG)
         CallerRequestActivityHandleManager.removeListener(TAG)
         mogoMapListenerHandler.unregisterHostMapListener(TAG)
-        val mapUIController = getMapUIController()
-        mapUIController?.destroy()
         MogoStatusManager.getInstance().setMainPageIsBackgroundStatus(TAG, false)
         d(SceneConstant.M_HMI + TAG, "destroy.")
         ContextHolderUtil.releaseContext()

libraries/mogo-map-api/src/main/java/com/mogo/map/MogoMap.kt

@@ -47,6 +47,7 @@ class MogoMap private constructor() {
 
     fun clear(instance: String = DEFAULT) {
         if (mapCache.containsKey(instance)) {
+            mapCache[instance]?.uiController?.destroy()
             mapCache.remove(instance)
         } else {
             CallerLogger.e(