diff --git a/docs/uts/buildin-object-api/arraybuffer.md b/docs/uts/buildin-object-api/arraybuffer.md
index 9b3d91db5615bcb770807d3c7f83df606c61dff6..0899d07b59147e340b854226b4ebd9dfb921f3a1 100644
--- a/docs/uts/buildin-object-api/arraybuffer.md
+++ b/docs/uts/buildin-object-api/arraybuffer.md
@@ -56,6 +56,20 @@ ArrayBuffer 对象用来表示通用的原始二进制数据缓冲区。
 
 <!-- UTSJSON.ArrayBuffer.isView.tutorial -->
 
+### fromByteBuffer(byteBuffer: ByteBuffer)
+
+<!-- UTSJSON.ArrayBuffer.fromByteBuffer.description -->
+
+<!-- UTSJSON.ArrayBuffer.fromByteBuffer.param -->
+
+<!-- UTSJSON.ArrayBuffer.fromByteBuffer.returnValue -->
+
+<!-- UTSJSON.ArrayBuffer.fromByteBuffer.test -->
+
+<!-- UTSJSON.ArrayBuffer.fromByteBuffer.compatibility -->
+
+<!-- UTSJSON.ArrayBuffer.fromByteBuffer.tutorial -->
+
 
 ## 实例属性
 
@@ -90,3 +104,19 @@ ArrayBuffer 对象用来表示通用的原始二进制数据缓冲区。
 
 <!-- UTSJSON.ArrayBuffer.slice.tutorial -->
 
+### toByteBuffer()
+
+<!-- UTSJSON.ArrayBuffer.toByteBuffer.description -->
+
+<!-- UTSJSON.ArrayBuffer.toByteBuffer.param -->
+
+<!-- UTSJSON.ArrayBuffer.toByteBuffer.returnValue -->
+
+<!-- UTSJSON.ArrayBuffer.toByteBuffer.test -->
+
+<!-- UTSJSON.ArrayBuffer.toByteBuffer.compatibility -->
+
+<!-- UTSJSON.ArrayBuffer.toByteBuffer.tutorial -->
+
+
+