diff --git a/packages/shell/src/services/uix.ts b/packages/shell/src/services/uix.ts
index 5cf4c47..b9e1728 100644
--- a/packages/shell/src/services/uix.ts
+++ b/packages/shell/src/services/uix.ts
@@ -1,4 +1,5 @@
 import { EventEmitter } from 'node:events'
+import { api } from './api'
 
 const uinRegex = /\d+/
 
@@ -9,11 +10,14 @@ const isUin = (uin: unknown) =>
 const isUid = (uid: unknown) =>
   typeof uid === 'string' && uid.length === 24 && uid.startsWith('u_')
 
+const isGroup = isUin
+
 export class Uix extends EventEmitter {
   map: Record<string, string> = {}
 
   isUin = isUin
   isUid = isUid
+  isGroup = isGroup
 
   add = (uid: string, uin: string) => {
     if (!isUid(uid) || !isUin(uin)) return
@@ -23,6 +27,9 @@ export class Uix extends EventEmitter {
     this.emit(uid, uin)
   }
 
+  /**
+   * @deprecated
+   */
   getUin = (uid: string) => {
     if (!isUid(uid)) return undefined
     const uin = this.map[uid]
@@ -30,12 +37,47 @@ export class Uix extends EventEmitter {
     return uin
   }
 
+  getUin2 = async (uid: string, group: string | number | undefined) => {
+    if (!isUid(uid)) return undefined
+    let uin: string | undefined
+    if (group) {
+      if (!isGroup(group)) return undefined
+      // const groupString = `${group}`
+      try {
+        uin = await api['chronocat.internal.uix.uin.get'](uid)
+        // uin = await api['chronocat.internal.uix.uin.get.group'](uid, groupString)
+      } catch (e) {
+        // TODO
+      }
+    } else {
+      try {
+        uin = await api['chronocat.internal.uix.uin.get'](uid)
+      } catch (e) {
+        // TODO
+      }
+    }
+    if (uin) this.add(uid, uin)
+    return this.getUin(uid)
+  }
+
+  /**
+   * @deprecated
+   */
   getUid = (uin: string) => {
     if (!isUin(uin)) return undefined
     const uid = this.map[uin]
     if (!isUid(uid)) return undefined
     return uid
   }
+
+  getUid2 = async (uin: string, _group: string | number | undefined) => {
+    if (!isUin(uin)) return undefined
+    // if (group) {
+    //   if (!isGroup(group)) return undefined
+    //   const groupString = `${group}`
+    // }
+    return this.getUid(uin)
+  }
 }
 
 export const uix = new Uix()
diff --git a/packages/shell/src/types.ts b/packages/shell/src/types.ts
index a1ad1b9..117279e 100644
--- a/packages/shell/src/types.ts
+++ b/packages/shell/src/types.ts
@@ -192,6 +192,9 @@ export interface CCInternalMethods {
 
   'chronocat.internal.qface.get': [[string], QFace | undefined]
   'chronocat.internal.qface.list': [[], QFace[] | undefined]
+
+  'chronocat.internal.uix.uin.get': [[string], string | undefined]
+  'chronocat.internal.uix.uin.get.group': [[string, string], string | undefined]
 }
 
 export type Methods = SatoriMethods & CCInternalMethods