diff --git a/hamster-core-bukkit/src/main/java/cn/hamster3/mc/plugin/core/bukkit/command/ParentCommand.java b/hamster-core-bukkit/src/main/java/cn/hamster3/mc/plugin/core/bukkit/command/ParentCommand.java
index f8d1f79..7f46e9b 100644
--- a/hamster-core-bukkit/src/main/java/cn/hamster3/mc/plugin/core/bukkit/command/ParentCommand.java
+++ b/hamster-core-bukkit/src/main/java/cn/hamster3/mc/plugin/core/bukkit/command/ParentCommand.java
@@ -102,7 +102,7 @@ public abstract class ParentCommand extends ChildCommand {
     }
 
     public void sendHelp(@NotNull CommandSender sender) {
-        sender.sendMessage("§e==================== [" + name + "使用帮助] ====================");
+        sender.sendMessage("§e==================== [ " + name + " 使用帮助] ====================");
         Map<String, String> helpMap = getCommandHelp(sender);
         int maxLength = helpMap.keySet().stream()
                 .map(String::length)
@@ -161,7 +161,7 @@ public abstract class ParentCommand extends ChildCommand {
         return childCommands.stream()
                 .filter(o -> o.hasPermission(sender))
                 .map(ChildCommand::getName)
-                .filter(o -> o.toLowerCase().startsWith(args[0]))
+                .filter(o -> o.toLowerCase().startsWith(args[0].toLowerCase()))
                 .collect(Collectors.toList());
     }
 }