金额 BigDecimal

src/main/java/com/tailbet/model/entity/BetOrder.java

@@ -45,7 +45,7 @@ public class BetOrder {
     /**
      * 下注金额
      */
-    private Integer betAmount;
+    private BigDecimal betAmount;
 
     /**
      * 赔率
@@ -65,7 +65,7 @@ public class BetOrder {
     /**
      * 中奖金额
      */
-    private Long winAmount;
+    private BigDecimal winAmount;
 
     /**
      * 创建时间

src/main/java/com/tailbet/model/entity/PointsFlow.java

@@ -4,6 +4,8 @@ import com.baomidou.mybatisplus.annotation.IdType;
 import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.TableName;
 import lombok.Data;
+
+import java.math.BigDecimal;
 import java.time.LocalDateTime;
 
 /**
@@ -29,17 +31,17 @@ public class PointsFlow {
     /**
      * 变动数值(正负)
      */
-    private Long amount;
+    private BigDecimal amount;
 
     /**
      * 变动前余额
      */
-    private Long balanceBefore;
+    private BigDecimal balanceBefore;
 
     /**
      * 变动后余额
      */
-    private Long balanceAfter;
+    private BigDecimal balanceAfter;
 
     /**
      * 业务单号

src/main/java/com/tailbet/model/entity/User.java

@@ -5,6 +5,8 @@ import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.TableName;
 import lombok.Data;
 
+import java.math.BigDecimal;
+
 /**
  * 用户表
  */
@@ -36,9 +38,9 @@ public class User {
     private String avatarUrl;
 
     /**
-     * 积分余额
+     * 积分余额（与红包金额一致使用DECIMAL，避免浮点误差）
      */
-    private Long points;
+    private BigDecimal points;
 
     /**
      * 运营标记:0否 1是