diff --git a/bsp/ls1bdev/SConstruct b/bsp/ls1bdev/SConstruct
index 3fe0da6a6f6d5b1c47ee9668bb878ee6bcc0dc34..a77c5dfd9bc77a990655dace68f31113f9ca56ee 100644
--- a/bsp/ls1bdev/SConstruct
+++ b/bsp/ls1bdev/SConstruct
@@ -11,6 +11,7 @@ sys.path = sys.path + [os.path.join(RTT_ROOT, 'tools')]
 from building import *
 
 TARGET = 'rtthread.' + rtconfig.TARGET_EXT
+rtconfig.AFLAGS += ' -I' + str('.') + ' -I ' + RTT_ROOT + '/libcpu/mips/common/'
 
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
diff --git a/bsp/ls1cdev/SConstruct b/bsp/ls1cdev/SConstruct
index 4ea8c066ec973e491915f191a4f15893a7b186ed..0541a75c4f0772b66dfb04f7ec3ffc7fc70bc73c 100644
--- a/bsp/ls1cdev/SConstruct
+++ b/bsp/ls1cdev/SConstruct
@@ -12,7 +12,7 @@ from building import *
 
 TARGET = 'rtthread.' + rtconfig.TARGET_EXT
 
-rtconfig.AFLAGS += ' -I' + str(Dir('#'))
+rtconfig.AFLAGS += ' -I' + str('.') + ' -I ' + RTT_ROOT + '/libcpu/mips/gs232/'+ ' -I ' + RTT_ROOT + '/libcpu/mips/common/'
 
 DefaultEnvironment(tools=[])
 env = Environment(tools = ['mingw'],
diff --git a/libcpu/mips/common/exception.c b/libcpu/mips/common/exception.c
index 8eb89b1e1b2d531a752b56fe017b26869a2aa737..94be4758782c77effbd079c699590af871493f9d 100644
--- a/libcpu/mips/common/exception.c
+++ b/libcpu/mips/common/exception.c
@@ -124,7 +124,11 @@ static void unhandled_exception_handle(struct pt_regs *regs)
 {
     rt_kprintf("Unknown Exception, EPC: 0x%p, CAUSE: 0x%08x\n", read_c0_epc(), read_c0_cause());
     rt_kprintf("Exception Name:%s\n",exception_name[(read_c0_cause() >> 2) & 0x1f]);
+#ifdef SOC_LS2K1000
     rt_kprintf("ExeCode = 0x%08x,BadAddr = 0x%p\n",(read_c0_cause() >> 2) & 0x1f,mmu_tlb_get_bad_vaddr());
+#else
+    rt_kprintf("ExeCode = 0x%08x\n",(read_c0_cause() >> 2) & 0x1f);
+#endif
     rt_kprintf("ST0: 0x%08x ",regs->cp0_status);
     rt_kprintf("ErrorPC: 0x%p\n",read_c0_errorepc());
     mips_dump_regs(regs);