diff --git a/System/sv_com.c b/System/sv_com.c
index a7e9c7a0..51e325af 100644
--- a/System/sv_com.c
+++ b/System/sv_com.c
@@ -4,8 +4,8 @@
  * @brief    内核服务公共函数
  * @details  在服务层临界区中，由内核服务调用。
  * @author   迟凯峰
- * @version  V1.0.0
- * @date     2025.02.08
+ * @version  V1.0.1
+ * @date     2025.02.19
  ******************************************************************************/
 
 #include "os_var.h"
@@ -149,16 +149,16 @@ void sv_task_remove_ready(s_tasknode_tsp htask)
 s_u8_t sv_task_select_ready(void)
 {
 	#if SYSCFG_TASKPRIORITY > 64
-	s_u8_t table_index = s_task_map_pick[s_task_table_index >> 1];
-	s_u8_t bytes_index = s_task_map_pick[s_task_bytes_index[table_index] >> 1];
-	s_u8_t   bit_index = s_task_map_pick[s_task_ready_table[table_index][bytes_index] >> 1];
+	s_u8_t table_index = s_task_map_pick[s_task_table_index >> (SYSCFG_TASKPICKBITMAP & 1)];
+	s_u8_t bytes_index = s_task_map_pick[s_task_bytes_index[table_index] >> (SYSCFG_TASKPICKBITMAP & 1)];
+	s_u8_t   bit_index = s_task_map_pick[s_task_ready_table[table_index][bytes_index] >> (SYSCFG_TASKPICKBITMAP & 1)];
 	s_u8_t         pri = (table_index << 6) + (bytes_index << 3) + bit_index;
 	#elif SYSCFG_TASKPRIORITY > 8
-	s_u8_t bytes_index = s_task_map_pick[s_task_bytes_index >> 1];
-	s_u8_t   bit_index = s_task_map_pick[s_task_ready_table[bytes_index] >> 1];
+	s_u8_t bytes_index = s_task_map_pick[s_task_bytes_index >> (SYSCFG_TASKPICKBITMAP & 1)];
+	s_u8_t   bit_index = s_task_map_pick[s_task_ready_table[bytes_index] >> (SYSCFG_TASKPICKBITMAP & 1)];
 	s_u8_t         pri = (bytes_index << 3) + bit_index;
 	#else
-	s_u8_t         pri = s_task_map_pick[s_task_ready_table >> 1];
+	s_u8_t         pri = s_task_map_pick[s_task_ready_table >> (SYSCFG_TASKPICKBITMAP & 1)];
 	#endif
 	return pri;
 }