diff --git a/src/main/java/net/lamgc/cgj/bot/RandomRankingArtworksSender.java b/src/main/java/net/lamgc/cgj/bot/RandomRankingArtworksSender.java
index 8cb366d..f27e37c 100644
--- a/src/main/java/net/lamgc/cgj/bot/RandomRankingArtworksSender.java
+++ b/src/main/java/net/lamgc/cgj/bot/RandomRankingArtworksSender.java
@@ -92,8 +92,8 @@ public class RandomRankingArtworksSender extends AutoSender {
             message.append(BotCommandProcess.getImageById(0, illustId, quality, 1));
             message.append("\n如有不当作品，可使用\".cgj report -id ").append(illustId).append("\"向色图姬反馈。");
             getMessageSender().sendMessage(message.toString());
-        } catch (IOException e) {
-            e.printStackTrace();
+        } catch (Exception e) {
+            log.error("发送随机作品时发生异常", e);
         }
     }
 }
diff --git a/src/main/java/net/lamgc/cgj/bot/event/MessageEvent.java b/src/main/java/net/lamgc/cgj/bot/event/MessageEvent.java
index 1af51d7..9f52006 100644
--- a/src/main/java/net/lamgc/cgj/bot/event/MessageEvent.java
+++ b/src/main/java/net/lamgc/cgj/bot/event/MessageEvent.java
@@ -19,9 +19,10 @@ public abstract class MessageEvent implements EventObject, MessageSender {
      * 发送消息
      * @param message 消息内容
      * @return 成功返回MessageId, 如没有MessageId则返回0, 失败返回负数错误码
+     * @throws Exception 该方法根据不同实现, 可能会抛出不同异常, 详见实现所标识的文档内容.
      */
     @Override
-    public abstract int sendMessage(final String message);
+    public abstract int sendMessage(final String message) throws Exception;
 
     /**
      * 获取图片下载地址.
diff --git a/src/main/java/net/lamgc/cgj/bot/framework/coolq/message/SpringCQMessageEvent.java b/src/main/java/net/lamgc/cgj/bot/framework/coolq/message/SpringCQMessageEvent.java
index d9b2067..6a4b056 100644
--- a/src/main/java/net/lamgc/cgj/bot/framework/coolq/message/SpringCQMessageEvent.java
+++ b/src/main/java/net/lamgc/cgj/bot/framework/coolq/message/SpringCQMessageEvent.java
@@ -36,7 +36,7 @@ public class SpringCQMessageEvent extends MessageEvent {
     }
 
     @Override
-    public int sendMessage(final String message) {
+    public int sendMessage(final String message) throws Exception {
         return messageSender.sendMessage(message);
     }
 
diff --git a/src/main/java/net/lamgc/cgj/bot/framework/mirai/message/MiraiMessageEvent.java b/src/main/java/net/lamgc/cgj/bot/framework/mirai/message/MiraiMessageEvent.java
index baa8344..035e804 100644
--- a/src/main/java/net/lamgc/cgj/bot/framework/mirai/message/MiraiMessageEvent.java
+++ b/src/main/java/net/lamgc/cgj/bot/framework/mirai/message/MiraiMessageEvent.java
@@ -38,7 +38,7 @@ public class MiraiMessageEvent extends net.lamgc.cgj.bot.event.MessageEvent {
     }
 
     @Override
-    public int sendMessage(final String message) {
+    public int sendMessage(final String message) throws Exception {
         return messageSender.sendMessage(message);
     }
 
diff --git a/src/main/java/net/lamgc/cgj/bot/framework/mirai/message/MiraiMessageSender.java b/src/main/java/net/lamgc/cgj/bot/framework/mirai/message/MiraiMessageSender.java
index c2680ec..22fdc98 100644
--- a/src/main/java/net/lamgc/cgj/bot/framework/mirai/message/MiraiMessageSender.java
+++ b/src/main/java/net/lamgc/cgj/bot/framework/mirai/message/MiraiMessageSender.java
@@ -77,7 +77,7 @@ public class MiraiMessageSender implements MessageSender {
                 .replaceAll("&38", "&")
                 .split("\\|");
 
-        MessageChain messages = MessageUtils.newChain().plus("");
+        MessageChain messages = MessageUtils.newChain();
         int codeIndex = 0;
         for(String text : texts) {
             if(text.equals("{BotCode}")) {
diff --git a/src/main/java/net/lamgc/cgj/bot/message/MessageSender.java b/src/main/java/net/lamgc/cgj/bot/message/MessageSender.java
index 759cb51..7e59b2c 100644
--- a/src/main/java/net/lamgc/cgj/bot/message/MessageSender.java
+++ b/src/main/java/net/lamgc/cgj/bot/message/MessageSender.java
@@ -9,7 +9,8 @@ public interface MessageSender {
      *          返回0则发送器不支持消息Id,
      *          返回非0正整数则为消息Id,
      *          返回负数则为错误.
+     * @throws Exception 该方法根据不同实现, 可能会抛出不同异常, 详见实现所标识的文档内容.
      */
-    int sendMessage(final String message);
+    int sendMessage(final String message) throws Exception;
 
 }