add dycoon extention.
merge
Revert "stop rule"

This reverts commit 8902c1a4c1b5f19e14735159fafa2099602c5d56.
merge
merge
flash cc
merge
Revert "stop rule"

This reverts commit 8902c1a4c1b5f19e14735159fafa2099602c5d56.
merge
merge
resolve conflict.
resolv conflict.