diff --git a/components/lwp/lwp_dbg.h b/components/lwp/lwp_dbg.h
index 84544759d99..2caf3b76591 100644
--- a/components/lwp/lwp_dbg.h
+++ b/components/lwp/lwp_dbg.h
@@ -1,11 +1,12 @@
 /*
- * Copyright (c) 2006-2023, RT-Thread Development Team
+ * Copyright (c) 2006-2025 RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
  * Change Logs:
  * Date           Author       Notes
  * 2023-07-11     RT-Thread    first version
+ * 2025-01-16     wumingzi     add doxyzen comment
  */
 
 #ifndef __LWP_DBG_H__
@@ -15,15 +16,75 @@
 #include <rthw.h>
 #include <lwp.h>
 
+/**
+ * addtogroup  KernelService
+ * @defgroup    lwp     lwp
+ * @brief       lwp api
+ * @ingroup     KernelService
+ * @addtogroup  lwp
+ *@{
+ */
+
+/**
+ * @brief Get lwp debug state
+ * @return int lwp debug state code
+ */
 int dbg_thread_in_debug(void);
+
+/**
+ * @brief Register dbg_ops to struct dbg_ops_t
+ * @param dbg_ops Pointer to dbg_ops_t that contains function pointers for various debugging operations.
+ */
 void dbg_register(struct dbg_ops_t *dbg_ops);
+
+/**
+ * @brief Get lwp instructure state
+ * @return Return the architecture number
+ */
 uint32_t dbg_get_ins(void);
+
+/**
+ * @brief Enable step debug feature
+ */
 void dbg_activate_step(void);
+
+/**
+ * @brief Disable step debug feature
+ */
 void dbg_deactivate_step(void);
+
+/**
+ * @brief Check event for related instruction by exception state register
+ * @param regs Pointer to exception stack with type struct rt_hw_exp_stack *
+ * @param esr Address of exception state register
+ * @return Return the debug event number
+ */
 int dbg_check_event(struct rt_hw_exp_stack *regs, unsigned long esr);
+
+/**
+ * @brief Get gdb server channel and prepared by rt_channel_t
+ * @return Return a Pointer to rt_channel_t
+ */
 rt_channel_t gdb_server_channel(void);
+
+/**
+ * @brief Get debug step type
+ * @return Return the debug step type
+ */
 int dbg_step_type(void);
+
+/**
+ * @brief Start debug attach request
+ * @param pc Pointer to programe counter
+ */
 void dbg_attach_req(void *pc);
+
+/**
+ * @brief Suspend debug attach request
+ * @return Return result of suspend operation and 0 is failed.
+ */
 int dbg_check_suspend(void);
 
-#endif /* __LWP_DBG_H__ */
+/*! @}*/
+
+#endif /* __LWP_DBG_H__ */
\ No newline at end of file
diff --git a/documentation/doxygen/Doxyfile b/documentation/doxygen/Doxyfile
index 44a09c85d10..c043615b89d 100644
--- a/documentation/doxygen/Doxyfile
+++ b/documentation/doxygen/Doxyfile
@@ -870,7 +870,8 @@ INPUT                  = ../../src \
                          ../../components/finsh \
                          ../../components/drivers/include/drivers \
                          ../../components/dfs/dfs_v2/src \
-                         ../../components/dfs/dfs_v2/include
+                         ../../components/dfs/dfs_v2/include \
+                         ../../components/lwp \
 
 # This tag can be used to specify the character encoding of the source files
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding. Doxygen uses