dafuweng-saiadmin6.x/server/db/dice_reward_config_add_weight.sql

-- DiceRewardConfig 新增 weight 字段：仅 tier=BIGWIN 时可设定，0-100（%）
ALTER TABLE `dice_reward_config`
    ADD COLUMN `weight` decimal(5,2) NOT NULL DEFAULT 0.00 COMMENT '权重%，仅 tier=BIGWIN 时可设定，0-100' AFTER `tier`;