V1.518

update content:
1.Fixed the tie-down of the director of the Constantinople Athletic Conference
2.Fixed clicking repair equipment will lead to error interface
3.Fix some collisions of towers
4.Add air wall in some scenes
5.Gaza adds an outer wall and changes to a siege siege
6. Added Tyre City scene
7. Add new recruits
8. Adjust the amount of tax
9. Adjusting local products and trade routes in some cities (new archives take effect)
10. Optimize the siege script
11. Add a lot of new music
12.Reworked the siege of the Cairo model
14.Add Ankara city scene
15. Fix errors caused by some scenarios
16. Add some new equipment
17. Change the attack and reload actions of the sling line
18. Modify the appearance of some models
19. Field Infantry Bannermen
20. Add some new sound effects and music
21. Isaac Komunin will be renamed according to the power and the city it occupies
22. Small details adjustment
23. Reworked the performance of sandstorm
24. Division of several Byzantine towns to the Sultanate of Roma based on historical sources
25. Roman lords can recruit Vadarathai Legion
26. Added Byzantine style blood strip

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