diff --git a/firmware/application/src/rfid/reader/lf/lf_t55xx_data.c b/firmware/application/src/rfid/reader/lf/lf_t55xx_data.c
index d46c2db..769bd10 100644
--- a/firmware/application/src/rfid/reader/lf/lf_t55xx_data.c
+++ b/firmware/application/src/rfid/reader/lf/lf_t55xx_data.c
@@ -110,7 +110,7 @@ void t55xx_send_cmd(uint8_t opcode, uint32_t *passwd, uint8_t lock_bit, uint32_t
     t55xx_cmd.blk_addr = blk_addr;
 
     // request timing, and wait for the order operation to complete
-    request_timeslot(37 * 1000, t55xx_timeslot_callback, true);
+    request_timeslot(37 * 1000, t55xx_timeslot_callback);
 
     if (opcode != 0) {
         bsp_delay_ms(6);  // Maybe continue to write a card next time, you need to wait more for a while
diff --git a/firmware/application/src/utils/timeslot.c b/firmware/application/src/utils/timeslot.c
index e92c23c..42bced3 100644
--- a/firmware/application/src/utils/timeslot.c
+++ b/firmware/application/src/utils/timeslot.c
@@ -92,7 +92,7 @@ nrf_radio_signal_callback_return_param_t *radio_callback(uint8_t signal_type) {
 /**
  * Request a sequence for high -precision operation
  */
-void request_timeslot(uint32_t time_us, timeslot_callback_t callback, bool wait_end) {
+void request_timeslot(uint32_t time_us, timeslot_callback_t callback) {
     ret_code_t err_code;
 
     // Make sure there is only one at the same time
diff --git a/firmware/application/src/utils/timeslot.h b/firmware/application/src/utils/timeslot.h
index 4758acf..b29a2e2 100644
--- a/firmware/application/src/utils/timeslot.h
+++ b/firmware/application/src/utils/timeslot.h
@@ -5,7 +5,7 @@
 #include <stdbool.h>
 
 typedef void (*timeslot_callback_t)();
-void request_timeslot(uint32_t time_us, timeslot_callback_t callback, bool wait_end);
+void request_timeslot(uint32_t time_us, timeslot_callback_t callback);
 void timeslot_start(uint32_t time_us);
 void timeslot_stop(void);
 #endif