diff --git a/docs/reference/pipelines/interceptor/maxbytes.md b/docs/reference/pipelines/interceptor/maxbytes.md
index 25adcd8..fe8fb32 100644
--- a/docs/reference/pipelines/interceptor/maxbytes.md
+++ b/docs/reference/pipelines/interceptor/maxbytes.md
@@ -15,4 +15,4 @@
 
 |    `字段`   |    `类型`    |  `是否必填`  |  `默认值`  |  `含义`  |
 | ---------- | ----------- | ----------- | --------- | -------- |
-| maxBytes | int  |    非必填    |    | 单行最大字节个数，超出的部分将会被丢弃 |
+| maxBytes | int  |    非必填    |  131072(128KB)  | 单行最大字节个数，超出的部分将会被丢弃 |