diff --git a/readme.md b/readme.md
index 145f65b..965ba49 100644
--- a/readme.md
+++ b/readme.md
@@ -2,9 +2,24 @@
 
 ## 代码结构
 
-* `ont` 基础代码 `ontic`
-* `eid` 核心代码 `eidetic`
-* `pra` 业务代码 `praxic`
+* `src` 源代码 `source`
+	* `ont` 基础计算 `ontic`
+		- `base.ts` 进制转换
+		- `utc.ts` 时间格式
+		- `adm.ts` 行政区划
+		- `json.ts` JSON数据声明
+	* `eid` 核心操作 `eidetic`
+		- `typ.ts` 数据类型声明
+		- `db.ts` 数据库初始化与数据操作类型声明
+		- `is.ts` 数据定义与检查
+		- `id.ts` 实体数据操作
+		- `usr.ts` 用户数据操作
+		- `soc.ts` 俱乐部数据操作
+		- `agd.ts` 活动数据操作
+		- `rec.ts` 记录数据操作
+		- `msg.ts` 文章数据操作
+		- `aut.ts` 权限数据操作
+	* `pra` 业务操作 `praxic`
 * `tst` 测试代码 `tests`
 
 ## [系列视频](https://space.bilibili.com/483417795/video)
diff --git a/eid/agd.ts b/src/eid/agd.ts
similarity index 100%
rename from eid/agd.ts
rename to src/eid/agd.ts
diff --git a/eid/aut.ts b/src/eid/aut.ts
similarity index 100%
rename from eid/aut.ts
rename to src/eid/aut.ts
diff --git a/eid/db.ts b/src/eid/db.ts
similarity index 100%
rename from eid/db.ts
rename to src/eid/db.ts
diff --git a/eid/id.ts b/src/eid/id.ts
similarity index 100%
rename from eid/id.ts
rename to src/eid/id.ts
diff --git a/eid/is.ts b/src/eid/is.ts
similarity index 100%
rename from eid/is.ts
rename to src/eid/is.ts
diff --git a/eid/msg.ts b/src/eid/msg.ts
similarity index 100%
rename from eid/msg.ts
rename to src/eid/msg.ts
diff --git a/eid/rec.ts b/src/eid/rec.ts
similarity index 100%
rename from eid/rec.ts
rename to src/eid/rec.ts
diff --git a/eid/soc.ts b/src/eid/soc.ts
similarity index 100%
rename from eid/soc.ts
rename to src/eid/soc.ts
diff --git a/eid/typ.ts b/src/eid/typ.ts
similarity index 100%
rename from eid/typ.ts
rename to src/eid/typ.ts
diff --git a/eid/usr.ts b/src/eid/usr.ts
similarity index 100%
rename from eid/usr.ts
rename to src/eid/usr.ts
diff --git a/ont/adm.ts b/src/ont/adm.ts
similarity index 100%
rename from ont/adm.ts
rename to src/ont/adm.ts
diff --git a/ont/json.ts b/src/ont/json.ts
similarity index 100%
rename from ont/json.ts
rename to src/ont/json.ts
diff --git a/tst/eid.test.ts b/tst/eid.test.ts
index a955f5e..57ffbf2 100644
--- a/tst/eid.test.ts
+++ b/tst/eid.test.ts
@@ -1,12 +1,12 @@
-import type { Rec } from "../eid/typ.ts"
-import { coll, db } from "../eid/db.ts"
-import { usr_c, usr_d, usr_r, usr_u } from "../eid/usr.ts"
-import { soc_c, soc_d, soc_r, soc_u } from "../eid/soc.ts"
-import { agd_c, agd_d, agd_r, agd_u } from "../eid/agd.ts"
+import type { Rec } from "../src/eid/typ.ts"
+import { coll, db } from "../src/eid/db.ts"
+import { usr_c, usr_d, usr_r, usr_u } from "../src/eid/usr.ts"
+import { soc_c, soc_d, soc_r, soc_u } from "../src/eid/soc.ts"
+import { agd_c, agd_d, agd_r, agd_u } from "../src/eid/agd.ts"
 import { assertEquals } from "./mod.test.ts"
-import { msg_c, msg_f, msg_r, msg_u } from "../eid/msg.ts"
-import { aut, aut_f, aut_u } from "../eid/aut.ts"
-import { cdt_u, rec_c, rec_d, rec_f, rec_r, rec_s } from "../eid/rec.ts"
+import { msg_c, msg_f, msg_r, msg_u } from "../src/eid/msg.ts"
+import { aut, aut_f, aut_u } from "../src/eid/aut.ts"
+import { cdt_u, rec_c, rec_d, rec_f, rec_r, rec_s } from "../src/eid/rec.ts"
 
 await db("tst", true)
 
diff --git a/tst/ont.test.ts b/tst/ont.test.ts
index 59cb3de..18d6c55 100644
--- a/tst/ont.test.ts
+++ b/tst/ont.test.ts
@@ -1,4 +1,4 @@
-import { is_adm } from "../ont/adm.ts"
+import { is_adm } from "../src/ont/adm.ts"
 import { assertEquals } from "./mod.test.ts"
 
 Deno.test("adm", () => {