1.2.7_U2

優化運行效率
Revert "1.2.7_U2"

This reverts commit 107b4a70abe83be8d958c31f3085e4a3df5a40fb.
Revert "Revert "1.2.7_U2""

This reverts commit d7b203dc002461d7a843321bc6afd651827b9e58.