perf: ChannelArgument完整的报错信息

src/main/java/snw/kookbc/impl/command/litecommands/argument/ChannelArgument.java

@@ -60,7 +60,7 @@ protected ParseResult<T> parse(Invocation<CommandSender> invocation, Argument<T>
             }
             return ParseResult.success((T) channel);
         } catch (final Exception e) {
-            return ParseResult.failure(new CommandException("Channel not found"));
+            return ParseResult.failure(new CommandException("Channel not found", e));
         }
     }