update pay promo

app_vx.py

@@ -1742,7 +1742,12 @@ def update_profile():
         user.bio = form.get('bio')
         user.gender = form.get('gender')
         user.birth_date = datetime.strptime(form.get('birth_date'), '%Y-%m-%d') if form.get('birth_date') else None
-        user.phone = form.get('phone')
+        # 手机号更新逻辑：如果已通过微信验证绑定，则不允许通过表单覆盖
+        # 防止用户更新其他资料时意外清空已绑定的手机号
+        if not user.phone_confirmed:
+            phone_value = form.get('phone')
+            if phone_value is not None:
+                user.phone = phone_value
         user.location = form.get('location')
         user.wechat_id = form.get('wechat_id')