(fix) NullPointerException at FSMCallerImpl#doCommitted when this.nod…

…e.getOptions() #1035 (#1036)

* (fix) NullPointerException at FSMCallerImpl#doCommitted when this.node.getOptions() #1035

* stylo

jraft-core/src/main/java/com/alipay/sofa/jraft/core/FSMCallerImpl.java

@@ -233,7 +233,6 @@ public synchronized void shutdown() {
                 task.shutdownLatch = latch;
             }));
         }
-        doShutdown();
     }
 
     @Override
@@ -450,6 +449,7 @@ private long runApplyTask(final ApplyTask task, long maxCommittedIndex, final bo
                     case SHUTDOWN:
                         this.currTask = TaskType.SHUTDOWN;
                         shutdown = task.shutdownLatch;
+                        doShutdown();
                         break;
                     case FLUSH:
                         this.currTask = TaskType.FLUSH;