diff --git a/docs/doc/kernel/task.md b/docs/doc/kernel/task.md
index 9093f91..afd99fc 100644
--- a/docs/doc/kernel/task.md
+++ b/docs/doc/kernel/task.md
@@ -132,7 +132,7 @@ struct xs_utask
     xs_uint32   stack_size;  
     xs_uint8    prio; 
 };
-typedef struct xs_utask struct xs_utask;
+typedef struct xs_utask xs_utask_x;
 
 struct task_descriptor* xs_UserTaskCreate(xs_utask_x task);
 ```
@@ -162,7 +162,7 @@ xs_int32 xs_UserTaskCoreCombine(struct task_descriptor task, xs_uint8 coreid);
 | 参数 | 描述 |
 | --- | --- |
 | task_id | 待绑定的任务描述符 |
-| coreid | 带绑定的处理器ID |
+| coreid | 待绑定的处理器ID |
 
 ```c
 xs_int32 xs_UserTaskCoreUncombine(struct task_descriptor task);