diff --git a/server/api/UserApi.ts b/server/api/UserApi.ts
index 6660e96..b700f9e 100644
--- a/server/api/UserApi.ts
+++ b/server/api/UserApi.ts
@@ -102,7 +102,7 @@ export default class UserApi extends BaseApi {
             const nickname: string = args.nickname as string
             const password: string = args.password as string
 
-            const user = User.createWithUserNameChecked(username, password, nickname, null)
+            const user = User.create(username, password, nickname, null)
 
             return {
                 msg: "成功",
@@ -261,7 +261,7 @@ export default class UserApi extends BaseApi {
         })
         // 添加聯絡人
         this.registerEvent("User.addContact", (args, { deviceId }) => {
-            if (this.checkArgsMissing(args, ['token']) || (args.chat_id == null && args.account == null)) return {
+            if (this.checkArgsMissing(args, ['token', 'target'])) return {
                 msg: "參數缺失",
                 code: 400,
             }
@@ -273,18 +273,18 @@ export default class UserApi extends BaseApi {
             }
 
             const user = User.findById(token.author) as User
-            if (args.chat_id)
-                user!.addContact(args.chat_id as string)
-            else if (args.account) {
-                const targetUser = User.findByAccount(args.account as string) as User
-                if (targetUser == null) {
-                    return {
-                        msg: "找不到用戶",
-                        code: 404,
-                    }
-                }
-                const chat = ChatPrivate.findOrCreateForPrivate(user, targetUser)
+            const chat = Chat.findById(args.target as string)
+            const targetUser = User.findByAccount(args.target as string) as User
+            if (chat)
                 user!.addContact(chat.bean.id)
+            else if (targetUser) {
+                const privChat = ChatPrivate.findOrCreateForPrivate(user, targetUser)
+                user!.addContact(privChat.bean.id)
+            } else {
+                return {
+                    msg: "找不到目标",
+                    code: 404,
+                }
             }
 
             return {