diff --git a/aos/build/aos.gypi b/aos/build/aos.gypi
index 9c74438..d8a4016 100644
--- a/aos/build/aos.gypi
+++ b/aos/build/aos.gypi
@@ -121,10 +121,10 @@
             '-mcpu=603e',
             '-mstrict-align',
             '-mlongcall',
-            '-isystem', '<(aos_abs)/externals/gccdist/WindRiver/gnu/3.4.4-vxworks-6.3/x86-win32/lib/gcc/powerpc-wrs-vxworks/3.4.4/include/',
-            '-isystem', '<(aos_abs)/externals/gccdist/WindRiver/vxworks-6.3/target/h/',
-            '-isystem', '<(aos_abs)/externals/gccdist/WindRiver/gnu/3.4.4-vxworks-6.3/x86-win32/include/c++/3.4.4/',
-            '-isystem', '<(aos_abs)/externals/gccdist/WindRiver/gnu/3.4.4-vxworks-6.3/x86-win32/include/c++/3.4.4/powerpc-wrs-vxworks/',
+            '-isystem', '<(aos_abs)/../output/downloaded/gccdist/WindRiver/gnu/3.4.4-vxworks-6.3/x86-win32/lib/gcc/powerpc-wrs-vxworks/3.4.4/include/',
+            '-isystem', '<(aos_abs)/../output/downloaded/gccdist/WindRiver/vxworks-6.3/target/h/',
+            '-isystem', '<(aos_abs)/../output/downloaded/gccdist/WindRiver/gnu/3.4.4-vxworks-6.3/x86-win32/include/c++/3.4.4/',
+            '-isystem', '<(aos_abs)/../output/downloaded/gccdist/WindRiver/gnu/3.4.4-vxworks-6.3/x86-win32/include/c++/3.4.4/powerpc-wrs-vxworks/',
             '-isystem', '<(WIND_BASE)/target/h',
             '-isystem', '<(WIND_BASE)/target/h/wrn/coreip',
           ],