diff --git a/b.csv b/help/b.csv
similarity index 100%
rename from b.csv
rename to help/b.csv
diff --git a/gotidy.sh b/help/gotidy.sh
similarity index 100%
rename from gotidy.sh
rename to help/gotidy.sh
diff --git a/gowork.sh b/help/gowork.sh
similarity index 100%
rename from gowork.sh
rename to help/gowork.sh
diff --git a/help/mock生成用户.sql b/help/mock生成用户.sql
new file mode 100644
index 000000000..532022315
--- /dev/null
+++ b/help/mock生成用户.sql
@@ -0,0 +1,31 @@
+INSERT INTO base_sys_user (
+  "createTime",
+  "updateTime",
+  deleted_at,
+  "departmentId",
+  username,
+  password,
+  "headImg",
+  email,
+  remark
+) SELECT
+  -- 过去90天内的随机创建时间
+  CURRENT_TIMESTAMP - (random() * 90 * 86400 || ' seconds')::interval,
+  -- updateTime初始与createTime一致
+  CURRENT_TIMESTAMP - (random() * 90 * 86400 || ' seconds')::interval,
+  NULL, -- 未删除
+  -- 随机部门ID（1-100）
+  floor(random() * 100) + 1,
+  -- 随机用户名（mock_前缀+8位随机串）
+  CONCAT('mock_', SUBSTRING(md5(random()::text), 1, 8)),
+  md5('123456'), -- 固定密码
+  'https://example.com/headimg/default.png', -- 统一默认头像
+  -- 随机邮箱（mock_前缀+8位随机串+随机域名）
+  CONCAT(
+    'mock_',
+    SUBSTRING(md5(random()::text), 1, 8),
+    '@',
+    (array['qq.com', '163.com', 'gmail.com'])[floor(random()*3)+1]
+  ),
+  '批量生成的测试用户'
+FROM generate_series(1, 1000); -- 10万条
\ No newline at end of file
diff --git a/report.md b/help/report.md
similarity index 100%
rename from report.md
rename to help/report.md
diff --git a/help/查询在线时长.sql b/help/查询在线时长.sql
new file mode 100644
index 000000000..151dcc5c8
--- /dev/null
+++ b/help/查询在线时长.sql
@@ -0,0 +1,10 @@
+SELECT 
+  player_id,
+  (data->>'online_time')::int AS online_time
+FROM "player_info"
+-- 替换?操作符，用jsonb_exists函数判断online_time字段是否存在
+WHERE 
+  jsonb_exists(data, 'online_time')  -- 等价于 data ? 'online_time'，无占位符冲突
+  AND (data->>'online_time')::int > 0
+-- 按在线时间降序排序
+ORDER BY online_time DESC;
\ No newline at end of file
diff --git a/help/给经验池增加.sql b/help/给经验池增加.sql
new file mode 100644
index 000000000..754f45814
--- /dev/null
+++ b/help/给经验池增加.sql
@@ -0,0 +1,9 @@
+UPDATE "player_info"
+SET data = jsonb_set(
+  data,
+  '{exp_pool}',
+  -- 直接复用查询中的计算逻辑，确保结果一致
+  to_jsonb(COALESCE((data->>'exp_pool')::int, 0) + 50000000),
+  true -- 字段不存在时自动初始化为10
+)
+WHERE player_id = 10001;
\ No newline at end of file