[v2.3.1] [F] 修复前缀数量超过一页时翻页可能出现错误的问题

pom.xml

@@ -13,7 +13,7 @@
     
     <groupId>cc.carm.plugin</groupId>
     <artifactId>userprefix</artifactId>
-    <version>2.3.0</version>
+    <version>2.3.1</version>
 
     <name>UserPrefix</name>
     <description>轻便、高效、实时的用户前缀系统。</description>

src/main/java/cc/carm/plugin/userprefix/util/gui/AutoPagedGUI.java

@@ -49,7 +49,7 @@ public class AutoPagedGUI extends CommonPagedGUI {
 
 	@Override
 	public void openGUI(Player user) {
-        if (previousPageSlot >= 0)
+		if (previousPageSlot >= 0) {
 			if (hasPreviousPage()) {
 				setItem(previousPageSlot, new GUIItem(previousPageUI == null ? PluginConfig.GUI.Items.PREVIOUS_PAGE.get() : previousPageUI) {
 					@Override
@@ -63,9 +63,12 @@ public class AutoPagedGUI extends CommonPagedGUI {
 						openGUI(user);
 					}
 				});
+			} else {
+				setItem(previousPageSlot, null);
+			}
 		}
 
-        if (nextPageSlot >= 0)
+		if (nextPageSlot >= 0) {
 			if (hasNextPage()) {
 				setItem(nextPageSlot, new GUIItem(nextPageUI == null ? PluginConfig.GUI.Items.NEXT_PAGE.get() : nextPageUI) {
 					@Override
@@ -79,6 +82,9 @@ public class AutoPagedGUI extends CommonPagedGUI {
 						openGUI(user);
 					}
 				});
+			} else {
+				setItem(nextPageSlot, null);
+			}
 		}
 
 		super.openGUI(user);