diff --git a/docs/doc/kernel/int.md b/docs/doc/kernel/int.md
index d23deee..9661dc8 100644
--- a/docs/doc/kernel/int.md
+++ b/docs/doc/kernel/int.md
@@ -9,7 +9,7 @@
     * [中断处理机制](#riscv_int_process)
       * [中断服务程序](#riscv_int_service)
       * [中断处理流程](#riscv_int_process2)
-    * [中断函数接口](#riscv_int_api)
+* [中断函数接口](#riscv_int_api)
 * [使用场景](#situation)
 
 <span id="interrupt"></span>