fix aciton null...

Signed-off-by: j502647092 <jtb1@163.com>

src/main/java/cn/citycraft/ProtectItem/utils/ItemManager.java

@@ -18,8 +18,11 @@ public class ItemManager {
 	@SuppressWarnings("unchecked")
 	public ItemManager(final ProtectItem main) {
 		plugin = main;
-		itemconfig = new FileConfig(plugin, "banitems");
+		itemconfig = new FileConfig(plugin, "banitems.yml");
 		itemlist = (HashMap<String, List<ActionType>>) itemconfig.get("banitems");
+		if (itemlist == null) {
+			itemlist = new HashMap<String, List<ActionType>>();
+		}
 	}
 
 	public void banItem(final ItemStack item) {

src/main/resources/banitems.yml

@@ -0,0 +1 @@
+banitems: []