[Fix] log4j2.xml 修复日志配置错误的问题;

[Change] BotGlobal, Main 调整日志输出内容和级别;

src/main/java/net/lamgc/cgj/bot/boot/BotGlobal.java

@@ -61,7 +61,7 @@ public final class BotGlobal {
         try (Jedis jedis = this.redisServer.getResource()) {
             log.warn("Redis连接状态(Ping): {}", jedis.ping().equalsIgnoreCase("pong"));
         } catch(JedisConnectionException e) {
-            log.warn("Redis连接失败, 将会影响到后续功能运行.", e);
+            log.warn("Redis连接失败, 将会影响到后续功能运行.({})", e.getCause().getMessage());
         }
 
         String dataStoreDirPath = System.getProperty("cgj.botDataDir");