diff --git a/README-EN.md b/README-EN.md
index 5737a7a..80e39ab 100644
--- a/README-EN.md
+++ b/README-EN.md
@@ -4,7 +4,7 @@
 
 
 <div align="center">
-    <img src='https://shields.io/badge/version-2.2.9-green.svg'>
+    <img src='https://shields.io/badge/version-2.3.0-green.svg'>
     <img src='https://shields.io/badge/author-Chang Zhang-dbab09.svg'>
     <img src='https://shields.io/badge/dependencies-Spring|aspectjweaver|tomcat|UIKit-r.svg'>
     <h4>A springboot tool for tracking the paths of methods,which can help you to find methods's performances easily.</h4>
diff --git a/README.md b/README.md
index 448cc47..3a2af80 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 </div>
 
 <div align="center">
-    <img src='https://shields.io/badge/version-2.2.9-green.svg'>
+    <img src='https://shields.io/badge/version-2.3.0-green.svg'>
     <img src='https://shields.io/badge/author-Chang Zhang-dbab09.svg'>
     <img src='https://shields.io/badge/dependencies-Spring|aspectjweaver|tomcat|UIKit-r.svg'>
     <h4>koTime是一个springboot项目性能分析工具，通过追踪方法调用链路以及对应的运行时长快速定位性能瓶颈</h4>
diff --git a/docs/kotime.gif b/docs/kotime.gif
index b640d7a..8df70b3 100644
Binary files a/docs/kotime.gif and b/docs/kotime.gif differ
diff --git a/src/main/java/cn/langpy/kotime/controller/KoTimeController.java b/src/main/java/cn/langpy/kotime/controller/KoTimeController.java
index 4cedb96..aa5dbcd 100644
--- a/src/main/java/cn/langpy/kotime/controller/KoTimeController.java
+++ b/src/main/java/cn/langpy/kotime/controller/KoTimeController.java
@@ -252,7 +252,7 @@ public class KoTimeController {
         }
         if (!StringUtils.hasText(className)) {
             map.put("state", 0);
-            map.put("message", "文类名不能为空");
+            map.put("message", "类名不能为空");
             return map;
         }
         className = className.trim();