【Bug Fix】
01：Fixed some bugs in battle
02：Fixed bugs that recruit special units
03：Fixed a crash when start next turn
04：Added 【Retreat】when enemy attacks our city
05：Improved Ai of prefects
06：Optimized the list of task report
07：Optimized visiting of trade caravan
09：Optimized some features of city

【Add on】
01：Added Tech - Culture
02：Added rumors
03：Added description of city
04：Ai can persuade our officer now
05：Optimized the policy

We suggest to start a new game, load the old save may cause unknown conflicts with new system add one.
Thanks for your support and understanding.