diff --git a/kernel/main.c b/kernel/main.c
index b3c821b..1553805 100644
--- a/kernel/main.c
+++ b/kernel/main.c
@@ -39,11 +39,12 @@ int kernel_main()
 		}
 	}
 	vga_set_disppos(0);
-
+	clear_kernel_pagepte_low();
 	kprintf("-----Kernel Initialization Begins-----\n");
 	kernel_initial = 1;	//kernel is in initial state. added by xw, 18/5/31
 	
 	init();//内存管理模块的初始化  add by liang 
+	uart_kprintf("-----mem module init done-----\n");
 	
 	//initialize PCBs, added by xw, 18/5/26
 	error = initialize_processes();
@@ -106,13 +107,12 @@ int kernel_main()
 	 */
 	disable_int();
 	
-	kprintf("-----Processes Begin-----\n");
+	uart_kprintf("-----Processes Begin-----\n");
 	
 	/* linear address 0~8M will no longer be mapped to physical address 0~8M.
 	 * note that disp_xx can't work after this function is invoked until processes runs.
 	 * add by visual 2016.5.13; moved by xw, 18/5/30
 	 */
-	clear_kernel_pagepte_low();
 	
 	p_proc_current = proc_table;
 	kernel_initial = 0;	//kernel initialization is done. added by xw, 18/5/31
diff --git a/kernel/memman.c b/kernel/memman.c
index ec5c507..19f81bc 100644
--- a/kernel/memman.c
+++ b/kernel/memman.c
@@ -27,7 +27,7 @@ void init()	//初始化
 	u32 memstart = MEMSTART;			//4M 开始初始化
 	u32 i,j;
 	
-	memcpy(MemInfo,(u32 *)FMIBuff,1024);		//复制内存
+	memcpy(MemInfo,(u32 *)(K_PHY2LIN(FMIBuff)),1024);		//复制内存
 	
 	memman_init(memman);				//初始化memman中frees,maxfrees,lostsize,losts
 	
diff --git a/kernel/pagetbl.c b/kernel/pagetbl.c
index e2ccc5e..0887a0f 100644
--- a/kernel/pagetbl.c
+++ b/kernel/pagetbl.c
@@ -107,26 +107,28 @@ void page_fault_handler(u32 vec_no,   //异常编号，此时应该是14，代
 		cr2_count++;
 		if (cr2_count == 5)
 		{
+			vga_set_disppos(0);
 			kprintf("\n");
 			vga_write_str_color("Page Fault\n", 0x74);
 			vga_write_str_color("eip=", 0x74); //灰底红字
-			kprintf("%d", eip);
+			kprintf("%x", eip);
 			vga_write_str_color("eflags=", 0x74);
-			kprintf("%d", eflags);
+			kprintf("%x", eflags);
 			vga_write_str_color("cs=", 0x74);
-			kprintf("%d", cs);
+			kprintf("%x", cs);
 			vga_write_str_color("err_code=", 0x74);
-			kprintf("%d", err_code);
+			kprintf("%x", err_code);
 			vga_write_str_color("Cr2=", 0x74); //灰底红字
-			kprintf("%d", cr2);
+			kprintf("%x", cr2);
 			vga_write_str_color("Cr3=", 0x74);
-			kprintf("%d", p_proc_current->task.cr3);
+			kprintf("%x", p_proc_current->task.cr3);
 			//获取页目录中填写的内容
 			vga_write_str_color("Pde=", 0x74);
-			kprintf("%d", *((u32 *)K_PHY2LIN(pde_addr_phy_temp) + get_pde_index(cr2)));
+			kprintf("%x", *((u32 *)K_PHY2LIN(pde_addr_phy_temp) + get_pde_index(cr2)));
 			//获取页表中填写的内容
 			vga_write_str_color("Pte=", 0x74);
-			kprintf("%d", *((u32 *)K_PHY2LIN(pte_addr_phy_temp) + get_pte_index(cr2)));
+			kprintf("%x", *((u32 *)K_PHY2LIN(pte_addr_phy_temp) + get_pte_index(cr2)));
+			asm volatile("cli");
 			halt();
 		}
 	}