diff --git a/target/allwinner/v851s-fastboot_sl100_back/busybox-init-base-files/etc/profile b/target/allwinner/v851s-fastboot_sl100_back/busybox-init-base-files/etc/profile
index 05e3c75a6..93ed352f1 100755
--- a/target/allwinner/v851s-fastboot_sl100_back/busybox-init-base-files/etc/profile
+++ b/target/allwinner/v851s-fastboot_sl100_back/busybox-init-base-files/etc/profile
@@ -13,6 +13,8 @@ export HOME=${HOME:-/root}
 export PS1='\u@\h:\w\$ '
 export LD_LIBRARY_PATH=/usr/lib/eyesee-mpp:${LD_LIBRARY_PATH}
 ulimit -c unlimited
+echo "/tmp/core.%e.%t" > /proc/sys/kernel/core_pattern
+echo 1 > /proc/sys/vm/overcommit_memory
 #mount -t debugfs none /sys/kernel/debug
 
 [ -x /bin/more ] || alias more=less