diff --git a/kernel/debug/bug.h b/kernel/debug/bug.h
index 24f57620..83cc8bec 100644
--- a/kernel/debug/bug.h
+++ b/kernel/debug/bug.h
@@ -4,11 +4,11 @@
 
 /**
  * @brief 当condition为true时输出警告信息
- * 
+ *
  */
 #define WARN_ON(condition) ({                                   \
     int __ret_warn_on = !!(condition);                          \
     if (unlikely(__ret_warn_on))                                \
         kwarn("Assertion failed at %s:%d", __FILE__, __LINE__); \
     unlikely(__ret_warn_on);                                    \
-})
\ No newline at end of file
+})
diff --git a/kernel/driver/disk/ahci/ahci.c b/kernel/driver/disk/ahci/ahci.c
index 92ecb277..8d5a07b9 100644
--- a/kernel/driver/disk/ahci/ahci.c
+++ b/kernel/driver/disk/ahci/ahci.c
@@ -10,8 +10,8 @@ struct block_device_request_queue ahci_req_queue;
 
 uint32_t count_ahci_devices = 0;
 
-uint64_t ahci_port_base_vaddr;     // 端口映射base addr
-uint64_t ahci_port_base_phys_addr; // 端口映射的物理基地址（ahci控制器的参数的地址都是物理地址）
+static uint64_t ahci_port_base_vaddr;     // 端口映射base addr
+static uint64_t ahci_port_base_phys_addr; // 端口映射的物理基地址（ahci控制器的参数的地址都是物理地址）
 
 static void start_cmd(HBA_PORT *port);
 static void stop_cmd(HBA_PORT *port);
diff --git a/kernel/smp/smp.c b/kernel/smp/smp.c
index f981f70c..0bd87513 100644
--- a/kernel/smp/smp.c
+++ b/kernel/smp/smp.c
@@ -156,7 +156,7 @@ void smp_ap_start()
     spin_unlock(&multi_core_starting_lock);
     preempt_disable();// 由于ap处理器的pcb与bsp的不同，因此ap处理器放锁时，需要手动恢复preempt count
     sti();
-    kdebug("1212221212");
+
     while (1)
         hlt();