diff --git a/fsm.c b/fsm.c
index 2c76aec..134d954 100644
--- a/fsm.c
+++ b/fsm.c
@@ -1,4 +1,30 @@
 //
 // Created by Hydro on 2026/4/21.
 //
-#include "fsm.h"
\ No newline at end of file
+#include "fsm.h"
+fsm_result_e
+fsm_init_with_queue (fsm_handle_t              *handle_ptr,
+                     const fsm_event_queue_init event_queue_init,
+                     const fsm_event_queue_put  event_queue_put,
+                     const fsm_event_queue_get  event_queue_get)
+{
+    fsm_result_e result = FSM_OK;
+    do
+    {
+        if (!(handle_ptr && event_queue_init && event_queue_put
+              && event_queue_get))
+        {
+            result = FSM_FAIL;
+            break;
+        }
+        handle_ptr->event_queue_get  = event_queue_get;
+        handle_ptr->event_queue_put  = event_queue_put;
+        handle_ptr->event_queue_init = event_queue_init;
+
+        result = handle_ptr->event_queue_init(handle_ptr->event_queue_handle,
+                                              handle_ptr->event_queue,
+                                              EVENT_QUEUE_LEN
+                                                  * sizeof(fsm_event_t));
+    } while (0);
+    return result;
+}
\ No newline at end of file
diff --git a/fsm.h b/fsm.h
index 587d73a..ae90945 100644
--- a/fsm.h
+++ b/fsm.h
@@ -7,6 +7,7 @@
 #include <stdint.h>
 #define EVENT_QUEUE_LEN             16
 #define EVENT_QUEUE_HANDLE_MAX_SIZE 32
+
 typedef enum
 {
     FSM_OK,
@@ -16,7 +17,7 @@ typedef struct qf_fsm_event      fsm_event_t;
 typedef struct qf_fsm            fsm_handle_t;
 typedef struct qf_fsm_transition fsm_transition_t;
 typedef fsm_result_e (*fsm_cb)(void *userdata);
-typedef fsm_result_e (*fsm_event_queue_init)(void  *handle_ptr,
+typedef fsm_result_e (*fsm_event_queue_init)(void  *queue_handle,
                                              void  *data_ptr,
                                              size_t size);
 typedef fsm_result_e (*fsm_event_queue_get)(void        *handle_ptr,
@@ -47,6 +48,7 @@ struct qf_fsm
 {
     uint16_t             current_state;
     uint16_t             num_states;
+    char                *name;
     fsm_state_t         *p_state_list;
     uint32_t             num_trans;
     fsm_transition_t    *p_trans_list;
@@ -57,5 +59,13 @@ struct qf_fsm
     fsm_event_queue_put  event_queue_put;
     fsm_event_queue_get  event_queue_get;
 };
-
+fsm_result_e fsm_init(fsm_handle_t *handle_ptr);
+fsm_result_e fsm_init_with_queue(fsm_handle_t        *handle_ptr,
+                                 fsm_event_queue_init event_queue_init,
+                                 fsm_event_queue_put  event_queue_put,
+                                 fsm_event_queue_get  event_queue_get);
+fsm_result_e fsm_event_put(fsm_handle_t *handle_ptr, fsm_event_t *event);
+fsm_result_e fsm_process_queue(fsm_handle_t *handle_ptr);
+fsm_result_e fsm_dispatch(fsm_handle_t *handle_ptr, fsm_event_t *event);
+uint16_t     fsm_get_state(fsm_handle_t *h);
 #endif // QF_FSM_FSM_H