diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 403957571..47c12f417 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,13 +12,6 @@ jobs:
           ref: ${{ github.head_ref }}
           ssh-key: ${{ secrets.ACTION_PUSH }}
 
-      - name: Use lint-md to format Markdown
-        # For issues of Chinese characters in prettier:
-        # https://github.com/prettier/prettier/blob/e22a5516f5b2c44e6d68be4c0a7ba0b32c1b9f86/website/blog/2023-07-05-3.0.0.md?plain=1#L27
-        run: |
-          npm install --save-dev --save-exact @lint-md/cli
-          lint-md ./**/* --fix
-
       - name: Prettify code
         uses: creyD/prettier_action@v4.3
         with:
diff --git a/doc/05.SDK_Manual.md b/doc/05.SDK_Manual.md
index b58271919..772d35322 100644
--- a/doc/05.SDK_Manual.md
+++ b/doc/05.SDK_Manual.md
@@ -191,7 +191,7 @@ k_err_t tos_task_create(k_task_t *task,
   K_ERR_OBJ_PTR_NULL传入的指针中包含有NULL指针
 
   K_ERR_TASK_ALREADY_CREATED 该任务已经被创建
-  
+
 ### tos_task_create_dyn
 
 ```c
@@ -293,7 +293,7 @@ k_err_t tos_task_destroy_dyn(k_task_t *task)
   K_ERR_SCHED_LOCKED 已经上锁且删除当前任务(非法 导致死锁)
 
   K_ERR_OBJ_INVALID_ALLOC_TYPE 删除的任务不是一个dynamic创建的task!
-  
+
 ### tos_task_delay
 
 ```c