diff --git a/backend/app/routers/auth.py b/backend/app/routers/auth.py
index 7cae222..0f70470 100644
--- a/backend/app/routers/auth.py
+++ b/backend/app/routers/auth.py
@@ -69,10 +69,11 @@ def register(user_data: UserCreate, db: Session = Depends(get_db)):
     # 创建用户
     import uuid
     hashed_password = get_password_hash(user_data.password)
+    generated_code = generate_user_code(db)
     user = User(
         f99_90_id=str(uuid.uuid4()),
         f99_91_user_id=str(uuid.uuid4()),
-        user_code=generate_user_code(db),
+        user_code=generated_code,
         f01_01_name=user_data.f01_01_name,
         email=user_data.email,
         phone=user_data.phone,
@@ -88,13 +89,13 @@ def register(user_data: UserCreate, db: Session = Depends(get_db)):
     
     # 更新邀请人、被邀请人的关联关系
     if invited_by_user:
-        # 邀请人的邀请码（创建后生成自己的邀请码）
+        # 记录是被谁邀请的
         user.f01_13_invite_code = invited_by_user.user_code
         # 增加邀请人的邀请计数
         invited_by_user.f99_101_invited_count = (invited_by_user.f99_101_invited_count or 0) + 1
     
     # 生成自己的邀请码（用自己的user_code）
-    user.f01_13_invite_code = user.user_code
+    user.f01_13_invite_code = generated_code
     
     db.commit()
     db.refresh(user)
diff --git a/config/VERSION b/config/VERSION
index 5f8175f..24ca32d 100644
--- a/config/VERSION
+++ b/config/VERSION
@@ -1 +1 @@
-VERSION=1.2.76
+VERSION=1.2.77
diff --git a/frontend/package.json b/frontend/package.json
index f7a2c99..d1973e5 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -1,6 +1,6 @@
 {
   "name": "jiachenlong-frontend",
-  "version": "1.2.72",
+  "version": "1.2.77",
   "private": true,
   "description": "甲辰藏品管理系统 - 移动端前端",
   "scripts": {