1. Fix some bugs.

1. Fix some bugs. 2. Send and receive orders via WebSocket.

1. Fix some bugs. 2. Send and receive orders via WebSocket.

1. Fix some bugs. 2. Improve trading on the chart. 3. Adjust the magnet mode attraction.

1. Fix some bugs. 2. Add a set of drawing tools. 3. Add a magnet mode when drawing. 4. Add a feature to adjust the height of indicators. 5. Upgrade the interface and features of some existing drawing tools. 6. Add a feature to display the crosshair by pressing and holding, and hide it by double-tapping.

1. Fix some bugs. 2. Add a set of drawing tools. 3. Add a magnet mode when drawing. 4. Add a feature to adjust the height of indicators. 5. Upgrade the interface and features of some existing drawing tools. 6. Add a feature to display the crosshair by pressing and holding, and hide it by double-tapping.

1. Fix some bugs. 2. Add a set of drawing tools. 3. Add a magnet mode when drawing. 4. Add a feature to adjust the height of indicators. 5. Upgrade the interface and features of some existing drawing tools. 6. Add a feature to display the crosshair by pressing and holding, and hide it by double-tapping.

1. Fix some bugs. 2. Add more points when drawing. 3. Magnifier tool when drawing. 4. Support Long Position & Short Position overlays.

1. Fix some bugs. 2. Add more points when drawing. 3. Magnifier tool when drawing. 4. Support Long Position & Short Position overlays.

1. Fix some bugs. 2. Add more points when drawing. 3. Magnifier tool when drawing. 4. Support Long Position & Short Position overlays.

1. Fix some bugs. 2. Support the Volume Profile overlay.

1. Fix some bugs. 2. Support Heiken Ashi charts.

1. Fix some bugs. 2. Upgrade the drawing tools on the chart. 3. Upgrade the trading interface on the chart. 4. Add SuperTrend, Ichimoku Cloud, Keltner Channel & Donchian Channel indicators.

1. Upgrade the chart. 2. Fix some bugs.

1. Add a fast-forward feature using a slider. 2. Add a feature to select the start date for backtesting. 3. Add a feature to quickly navigate to the order closing page. 4. Fix the interface issue in landscape mode. 5. Fix logic errors in the code.

1. Add a fast-forward feature using a slider. 2. Add a feature to select the start date for backtesting. 3. Add a feature to quickly navigate to the order closing page. 4. Fix the interface issue in landscape mode.

1. Add a fast-forward feature using a slider. 2. Add a feature to select the start date for backtesting. 3. Add a feature to quickly navigate to the order closing page.

1. Add packages of 20k, 30k and 50k candles. 2. Add chart smoothing feature. 3. Support multi-timeframe backtesting.

1. Customize the trading functionality on the chart. 2. Adjust the interface for larger screens. 3. Fix the issue where the navigation bar does not appear on large screens, such as tablets.

1. Add a progress indicator for loading tutorial videos.

1. Fix some bugs. 2. Improve performance.

1. Add tutorial video clips on how to use the app.

1. Fix some errors. 2. Improve the user interface.

1. Fix some errors. 2. Customize the trading function directly on the chart. 3. Improve the user interface.

1. Add a direct trading feature on the chart. 2. Improve the user interface.