diff --git a/System/os_var.h b/System/os_var.h
index 9bc70356..c26fa44a 100644
--- a/System/os_var.h
+++ b/System/os_var.h
@@ -3,8 +3,8 @@
  * @file     os_var.h
  * @brief    系统全局变量声明
  * @author   迟凯峰
- * @version  V1.0.0
- * @date     2025.02.08
+ * @version  V1.0.1
+ * @date     2025.02.19
  ******************************************************************************/
 
 #ifndef __OS_VAR_H
@@ -79,7 +79,7 @@ extern            s_runtime_ts       _DEBUG_MEM_   s_runtime;
 #endif
 /* The Task bitmap */
 extern  const s_u8_t _CONST_MEM_ s_task_map_mask[8];
-extern  const s_u8_t _CONST_MEM_ s_task_map_pick[128];
+extern  const s_u8_t _CONST_MEM_ s_task_map_pick[SYSCFG_TASKPICKBITMAP * 128];
 #if SYSCFG_TASKPRIORITY > 64
 extern  s_u8_t _SYS_MEM_ s_task_table_index;
 extern  s_u8_t _SYS_MEM_ s_task_bytes_index[SYSCFG_TASKPRIORITY / 64];