1. Adjusted the number of the leaderboard: now the ranking number on the leaderboard has more display space and will not overlap with the name 2. Fixed a click bug: now dragging from the outside of the board to the inside in drag mode will not cause the game to start unexpectedly 3. Fixed a click bug: now clicking OK in drag mode will not cause the game to start unexpectedly or the board to be clicked 4. Modified the reading method of the skin's fixed color: now the fixed color of each skin will be saved in bg.bmp instead of hard-coded in the code, with better debugging freedom 5. Added two new skins and renamed colored skins: Ice, Jungle, Lava