fix: 状态机初始化状态逻辑失效.

src/main/java/com/serliunx/statemanagement/machine/DefaultConcurrentStateMachine.java

@@ -32,6 +32,11 @@ public class DefaultConcurrentStateMachine<S> extends AbstractStateMachine<S> im
                                   S initialState
     ) {
         super(stateList, new StateMachineContext<>(entryHandlers, leaveHandlers, exchangeHandlers, eventRegistries, executor, async, initialState));
+
+        final int initialIndex = indexOf(context.initialState);
+        if (initialIndex != -1) {
+            updateCurrentIndex(initialIndex);
+        }
     }
 
     @Override
@@ -149,6 +154,11 @@ public class DefaultConcurrentStateMachine<S> extends AbstractStateMachine<S> im
         return get(index.get());
     }
 
+    @Override
+    protected void updateCurrentIndex(int newIndex) {
+        this.index.set(newIndex);
+    }
+
     /**
      * 是否为默认状态
      */

src/main/java/com/serliunx/statemanagement/machine/StandardStateMachine.java

@@ -36,5 +36,10 @@ public class StandardStateMachine<S> extends AbstractStateMachine<S> implements
 	) {
 		super(stateList, new StateMachineContext<>(entryHandlers, leaveHandlers, exchangeHandlers, eventRegistries,
 				executor, async, initialState));
+
+		final int initialIndex = indexOf(context.initialState);
+		if (initialIndex != -1) {
+			updateCurrentIndex(initialIndex);
+		}
 	}
 }

src/main/java/com/serliunx/statemanagement/manager/AbstractStateManager.java

@@ -167,6 +167,9 @@ public abstract class AbstractStateManager<S> implements StateManager<S> {
 	 * @return 序号 {@link List#indexOf(Object)}
 	 */
 	protected int indexOf(S state) {
+		if (state == null) {
+			return -1;
+		}
 		return stateList.indexOf(state);
 	}
 

src/test/java/com/serliunx/statemanagement/MachineTest.java

@@ -42,8 +42,8 @@ public class MachineTest {
 				.concurrent()
 				.build();
 
-		stateMachine.publish(PrinterEvent.TURN_OFF);
+//		stateMachine.publish(PrinterEvent.TURN_OFF);
-
+		System.out.println(stateMachine.current());
 		stateMachine.close();
 	}
 }