diff --git a/logic/Preparation/GameData/GameData.cs b/logic/Preparation/GameData/GameData.cs
new file mode 100644
index 0000000..2d13d58
--- /dev/null
+++ b/logic/Preparation/GameData/GameData.cs
@@ -0,0 +1,77 @@
+using Preparation.Utility;
+
+namespace Preparation.GameData
+{
+    public static class GameData
+    {
+#region 基本常数与常方法
+        public const int numOfPosGridPerCell = 1000;  // 每格的【坐标单位】数
+        public const int numOfStepPerSecond = 20;     // 每秒行走的步数
+        public const int lengthOfMap = 50000;         // 地图长度
+        public const int rows = 50;                   // 行数
+        public const int cols = 50;                   // 列数
+        public const long gameDuration = 600000;      // 游戏时长600000ms = 10min
+        public const long frameDuration = 50;         // 每帧时长
+
+        public const int MinSpeed = 1;             // 最小速度
+        public const int MaxSpeed = int.MaxValue;  // 最大速度
+
+        public static XYPosition GetCellCenterPos(int x, int y)  // 求格子的中心坐标
+        {
+            XYPosition ret = new((x * numOfPosGridPerCell) + (numOfPosGridPerCell / 2), (y * numOfPosGridPerCell) + (numOfPosGridPerCell / 2));
+            return ret;
+        }
+        public static int PosGridToCellX(XYPosition pos)  // 求坐标所在的格子的x坐标
+        {
+            return pos.x / numOfPosGridPerCell;
+        }
+        public static int PosGridToCellY(XYPosition pos)  // 求坐标所在的格子的y坐标
+        {
+            return pos.y / numOfPosGridPerCell;
+        }
+        public static bool IsInTheSameCell(XYPosition pos1, XYPosition pos2)
+        {
+            return PosGridToCellX(pos1) == PosGridToCellX(pos2) && PosGridToCellY(pos1) == PosGridToCellY(pos2);
+        }
+#endregion
+#region 角色相关
+        /// <summary>
+        /// 玩家相关
+        /// </summary>
+        public const int characterRadius = numOfPosGridPerCell / 2;  // 人物半径
+        public const int basicAp = 3000;                             // 初始攻击力
+        public const int basicHp = 6000;                             // 初始血量
+        public const int basicCD = 3000;                             // 初始子弹冷却
+        public const int basicBulletNum = 3;                         // 基本初始子弹量
+        public const int MinAP = 0;                                  // 最小攻击力
+        public const int MaxAP = int.MaxValue;                       // 最大攻击力
+        public const double basicAttackRange = 9000;                 // 基本攻击范围
+        public const double basicBulletBombRange = 3000;             // 基本子弹爆炸范围
+        public const int basicMoveSpeed = 3000;                      // 基本移动速度，单位：s-1
+        public const int basicBulletMoveSpeed = 3000;                // 基本子弹移动速度，单位：s-1
+        public const int characterMaxSpeed = 12000;                  // 最大速度
+        public const int addScoreWhenKillOneLevelPlayer = 30;        // 击杀一级角色获得的加分
+        public const int commonSkillCD = 30000;                      // 普通技能标准冷却时间
+        public const int commonSkillTime = 10000;                    // 普通技能标准持续时间
+        public const int bulletRadius = 200;                         // 默认子弹半径
+        public const int reviveTime = 30000;                         // 复活时间
+        public const int shieldTimeAtBirth = 3000;                   // 复活时的护盾时间
+        public const int gemToScore = 4;                             // 一个宝石的标准加分
+        /// <summary>
+        /// 道具相关
+        /// </summary>
+        public const int MinPropTypeNum = 1;
+        public const int MaxPropTypeNum = 10;
+        public const int PropRadius = numOfPosGridPerCell / 2;
+        public const int PropMoveSpeed = 3000;
+        public const int PropMaxMoveDistance = 15 * numOfPosGridPerCell;
+        public const int MaxGemSize = 5;  // 随机生成的宝石最大size
+        public const long GemProduceTime = 10000;
+        public const long PropProduceTime = 10000;
+        public const int PropDuration = 10000;
+#endregion
+#region 游戏帧相关
+        public const long checkInterval = 50;  // 检查位置标志、补充子弹的帧时长
+#endregion
+    }
+}