Fix bug

Fix webview problem

- Adapt to ios13 system - Adapt to more languages and models - Operation and operation performance optimization - Fix bug

Added flip cards system for general level , players can get more extra rewards by completing special tasks; Added a prop system, help players complete various types of levels in the game and improve their rankings; Optimize NPC performance in the game and add NPC dynamic expression system; Optimize the special effect in the game, which will performance better; Fixed the display problem for the pop-up interface background.

Improved graphics and scenes Adapt to more languages

Add the sponsors who give various rewards for free ; Change the open treasure box to turn over cards, which can bring more rewards for players; Add garage interface, where players can deal with the cars； Add updating rewards for old players, help the players to adapt to the new game environment quickly; Fix the inconsistent problem for the first car in the two scenes, now they are the same； Optimize the interface art effect and improve the picture quality.

- Optimized the quality of urban scenes; - Optimize the difficulty of the level; - Fix some minor bugs

Add the ranking challenge system, players can challenge the rankings of the global leaderboards through challenges; Add an opening video to help players learn more about the game and enhance the game experience; Optimize the tutorial process and text to help players learn more about the game's system; Optimize the first, eighth and ninth car models to improve the quality of the model display; Optimize the first and second passes to optimize the gaming experience; Optimized the game's various modes of operation in the absence of network conditions, helping players understand and play more smoothly; Adjust the layout of the main interface to help players better find the target; Optimized the guidance of brake levels and overtaking levels to help players become familiar with the game faster; Optimized the quality of urban scenes;

Change the model of first race car to improve the quality; Optimize trial cars and the UI effects of guide; Change the logic of trial cars to pass stages, could not pass stages in previous version; Optimize the attributes of all cars, number of upgrade, cost of upgrade and purchase, make the level difficulty smoother; Add new guide of car equipment, help player to understand the logic of car equipment better; Optimize the quality of scene, fix the problems of illusion with far distance cars in city scene, the feeling of slightly getting off the ground in far distance; Reduce the distance in stage 1 and 2 to optimize the game experience; Optimize The Road to Gold mode, and nerf the difficulty in late game.