删除struct_log机制
Merge branch 't/support/dr2' into refs/top-bases/t/support/game
Merge commit 'refs/top-bases/t/support/game' into t/support/game
Merge branch 't/support/game' into refs/top-bases/t/support/usf
Merge commit 'refs/top-bases/t/support/usf' into t/support/usf
Merge branch 't/support/usf' into refs/top-bases/t/support/mongo
Merge commit 'refs/top-bases/t/support/mongo' into t/support/mongo