diff --git a/src/main/java/io/github/kloping/qqbot/impl/BaseConnectedEvent.java b/src/main/java/io/github/kloping/qqbot/impl/BaseConnectedEvent.java
index fb88a17..0971775 100644
--- a/src/main/java/io/github/kloping/qqbot/impl/BaseConnectedEvent.java
+++ b/src/main/java/io/github/kloping/qqbot/impl/BaseConnectedEvent.java
@@ -41,6 +41,6 @@ public String getClassName() {
 
     @Override
     public String toString() {
-        return String.format("Bot(%s) Connected! By author kloping of bot-qqpd-java for version 1.5.0-R4", bot.getConfig().getAppid());
+        return String.format("Bot(%s) Connected! By author kloping of bot-qqpd-java for version 1.5.0-R4.", bot.getConfig().getAppid());
     }
 }