diff --git a/dsn.md b/dsn.md
index 7626b03..faff0ac 100644
--- a/dsn.md
+++ b/dsn.md
@@ -60,12 +60,12 @@
 `#{agd}`
 `#{soc}-[cdt|dbt|ern|agd|msg|act]`
 `#{soc}-[cdt|dbt|ern|agd|msg|act]-{yyyymm}`
-`${soc}-{usr}`
-`${soc}-{usr}-[cdt|dbt|ern|agd|msg|act]`
-`${soc}-{usr}-[cdt|dbt|ern|agd|msg|act]-{yyyymm}`
-`${agd}-{usr}`
-`${agd}-{usr}-[cdt|dbt|ern|agd|msg|act]`
-`${agd}-{usr}-[cdt|dbt|ern|agd|msg|act]-{yyyymm}`
+`#{soc}-{usr}`
+`#{soc}-{usr}-[cdt|dbt|ern|agd|msg|act]`
+`#{soc}-{usr}-[cdt|dbt|ern|agd|msg|act]-{yyyymm}`
+`#{agd}-{usr}`
+`#{agd}-{usr}-[cdt|dbt|ern|agd|msg|act]`
+`#{agd}-{usr}-[cdt|dbt|ern|agd|msg|act]-{yyyymm}`
 
 `hash = {usr?, soc?, agd?, rec?, utc?}`
 
@@ -78,6 +78,7 @@
 * `src`
 	- `eid` 数据
 	- `doc` 数据关系
+		- `pas.ts` 浏览权限
 		- `doc.ts` 数据文档
 		- `frm.ts` 数据操作
 		- `nav.ts` 浏览状态
diff --git a/src/doc.ts b/src/doc/doc.ts
similarity index 75%
rename from src/doc.ts
rename to src/doc/doc.ts
index 761ca99..39d23b0 100644
--- a/src/doc.ts
+++ b/src/doc/doc.ts
@@ -1,15 +1,4 @@
-import { Agd, Aut, Cdt, Crn, Dbt, Ern, Id, Msg, Soc, Usr } from "./typ.ts"
-
-export type Pas = {
-	usr: Usr["_id"],
-	nam: Usr["nam"],
-	cdt: (Cdt & { dbt: Dbt["amt"], ern: Ern["amt"] })[] | {
-		agr: Soc["agr"], soc: Soc["_id"], nam: Soc["nam"]
-	},
-	sec: Soc["_id"][],
-	aut: Aut["aut"],
-	ban: Aut["ban"],
-}
+import { Agd, Aut, Cdt, Crn, Ern, Id, Msg, Soc, Usr } from "../typ.ts"
 
 export type Sum = { cdt: number, dbt: number, ern: number, act: number, msg: number }
 
diff --git a/src/mdh.ts b/src/doc/mdh.ts
similarity index 100%
rename from src/mdh.ts
rename to src/doc/mdh.ts
diff --git a/src/doc/nav.ts b/src/doc/nav.ts
new file mode 100644
index 0000000..c632cf4
--- /dev/null
+++ b/src/doc/nav.ts
@@ -0,0 +1,16 @@
+import { Agd, Soc, Usr } from "../typ.ts"
+
+export type Nav = {
+	usr?: Usr["_id"],
+	soc?: Soc["_id"],
+	agd?: Agd["_id"],
+	rec?: "cdt" | "dbt" | "ern" | "agd" | "msg" | "act",
+	utc?: number,
+}
+
+function nav(
+	n: Nav,
+	h: string,
+) {
+
+}
diff --git a/src/doc/pas.ts b/src/doc/pas.ts
new file mode 100644
index 0000000..d63d735
--- /dev/null
+++ b/src/doc/pas.ts
@@ -0,0 +1,12 @@
+import { Aut, Cdt, Dbt, Ern, Soc, Usr } from "../typ.ts"
+
+export type Pas = {
+	usr: Usr["_id"],
+	nam: Usr["nam"],
+	cdt: (Cdt & { dbt: Dbt["amt"], ern: Ern["amt"] })[] | {
+		agr: Soc["agr"], soc: Soc["_id"], nam: Soc["nam"]
+	},
+	sec: Soc["_id"][],
+	aut: Aut["aut"],
+	ban: Aut["ban"],
+}
diff --git a/ui/bind/bind.ts b/ui/bind/bind.ts
index 04e3c00..54dd641 100644
--- a/ui/bind/bind.ts
+++ b/ui/bind/bind.ts
@@ -1,4 +1,4 @@
-import { mdh } from "../../src/mdh.ts"
+import { mdh } from "../../src/doc/mdh.ts"
 import { idnam, section } from "./section.ts"
 
 const main = document.getElementById("main") as HTMLDivElement
diff --git a/ui/bind/section.ts b/ui/bind/section.ts
index dc3da01..7afcbba 100644
--- a/ui/bind/section.ts
+++ b/ui/bind/section.ts
@@ -1,4 +1,4 @@
-import { pmd, htm } from "../../src/mdh.ts"
+import { pmd, htm } from "../../src/doc/mdh.ts"
 
 export function section(
 	h5: string,