diff --git a/docs/api/overview.md b/docs/api/overview.md
index 38a19c5..b004174 100644
--- a/docs/api/overview.md
+++ b/docs/api/overview.md
@@ -2,10 +2,9 @@
 outline: deep
 ---
 
-# API概述
-
-<b>lancet（柳叶刀）是一个功能强大、全面、高效、可复用的go语言工具函数库。包含25个包，超过600个工具函数。功能涵盖字符串处理、切片处理、网络、并发、加解密、文件处理、时间/日期、流处理、迭代器等等。</b>
+# API 概述
 
+<b>lancet（柳叶刀）是一个功能强大、全面、高效、可复用的 go 语言工具函数库。包含 25 个包，超过 600 个工具函数。功能涵盖字符串处理、切片处理、网络、并发、加解密、文件处理、时间/日期、流处理、迭代器等等。</b>
 
 <style>
 .package-title {
@@ -27,7 +26,7 @@ outline: deep
     display: inline-block;
     vertical-align: middle;
     line-height: 40px;
-    background: #10b981;
+    background: #6cadf5;
     border: 1px solid;
     margin-right: 10px;
     margin-bottom: 10px;
@@ -67,4 +66,4 @@ outline: deep
         <div class="package-cell">validator</div>
         <div class="package-cell">xerror</div>
     </div>
-</div>
\ No newline at end of file
+</div>
diff --git a/docs/en/api/overview.md b/docs/en/api/overview.md
index 8e384ef..2d66573 100644
--- a/docs/en/api/overview.md
+++ b/docs/en/api/overview.md
@@ -6,7 +6,6 @@ outline: deep
 
 <b>Lancet (Lancet) is a powerful, comprehensive, efficient and reusable go language tool function library. Contains 25 packages, more than 600 utility functions. Functions cover string processing, slice processing, network, concurrency, encryption and decryption, file processing, time/date, stream processing, iterators, and more.</b>
 
-
 <style>
 .package-title {
     color: black;
@@ -27,7 +26,7 @@ outline: deep
     display: inline-block;
     vertical-align: middle;
     line-height: 40px;
-    background: #059669;
+    background: #6cadf5;
     border: 1px solid;
     margin-right: 10px;
     margin-bottom: 10px;
@@ -47,6 +46,7 @@ outline: deep
         <div class="package-cell">cryptor</div>
         <div class="package-cell">datastructure</div>
         <div class="package-cell">datetime</div>
+        <div class="package-cell">eventbus</div>
         <div class="package-cell">fileutil</div>
         <div class="package-cell">formatter</div>
         <div class="package-cell">function</div>
@@ -67,4 +67,3 @@ outline: deep
         <div class="package-cell">xerror</div>
     </div>
 </div>
-