Revert "所有碎片建構完成"

This reverts commit 7f2a363cfdc019e10567aa6f6824840ac3a91394.
Revert "Revert "所有碎片建構完成""

This reverts commit 0a5db0157c5b1e76e97efdf78c8da1c6c487a472.
Revert "Revert "Revert "所有碎片建構完成"""

This reverts commit b8bc9aa1a1e011299c8934abff4a0048a7ca07e3.