diff --git a/video-gen-api/app/api/v1/notifications.py b/video-gen-api/app/api/v1/notifications.py
index 9f52748f..114c0232 100644
--- a/video-gen-api/app/api/v1/notifications.py
+++ b/video-gen-api/app/api/v1/notifications.py
@@ -8,7 +8,7 @@ from sqlalchemy.ext.asyncio import AsyncSession
 from app.dependencies import get_db, get_current_user
 from app.models.user import User
 from app.models.notification import Notification
-from app.schemas.notification import NotificationOut, NotificationListOut, UnreadCountOut
+from app.schemas.notification import NotificationListOut, NotificationCreditsOut, UnreadCountOut
 from app.services.auth import decode_access_token
 from app.services.notification import (
     get_notifications,
@@ -112,7 +112,8 @@ async def list_notifications(
     db: AsyncSession = Depends(get_db),
 ):
     items, total = await get_notifications(db, current_user.id, page, page_size, is_read)
-    return {"items": items, "total": total}
+    credits = NotificationCreditsOut(balance=round(float(current_user.credits or 0.0), 2))
+    return {"items": items, "total": total, "credits": credits}
 
 
 @router.put("/{notification_id}/read")
diff --git a/video-gen-api/app/enums/__init__.py b/video-gen-api/app/enums/__init__.py
index 09dc9cb9..f326ab29 100644
--- a/video-gen-api/app/enums/__init__.py
+++ b/video-gen-api/app/enums/__init__.py
@@ -10,3 +10,4 @@ from app.enums.generation_task import *
 from app.enums.recent_generation import *
 from app.enums.generation_status import *
 from app.enums.sms import *
+from app.enums.notification import *
diff --git a/video-gen-api/app/enums/notification.py b/video-gen-api/app/enums/notification.py
new file mode 100644
index 00000000..ab8be2ce
--- /dev/null
+++ b/video-gen-api/app/enums/notification.py
@@ -0,0 +1,26 @@
+from __future__ import annotations
+
+from enum import StrEnum
+
+
+class NotificationType(StrEnum):
+    """通知类型。"""
+
+    SYSTEM = "system"
+    CREDIT = "credit"
+    VIDEO = "video"
+    GENERATION = "generation"
+    PAYMENT = "payment"
+    RECHARGE = "recharge"
+    UNKNOWN = "unknown"
+
+
+NOTIFICATION_TYPE_LABELS = {
+    NotificationType.SYSTEM.value: "系统通知",
+    NotificationType.CREDIT.value: "积分通知",
+    NotificationType.VIDEO.value: "视频通知",
+    NotificationType.GENERATION.value: "生成通知",
+    NotificationType.PAYMENT.value: "支付通知",
+    NotificationType.RECHARGE.value: "充值通知",
+    NotificationType.UNKNOWN.value: "未知通知",
+}
diff --git a/video-gen-api/app/schemas/notification.py b/video-gen-api/app/schemas/notification.py
index 93d2f272..4ccf374f 100644
--- a/video-gen-api/app/schemas/notification.py
+++ b/video-gen-api/app/schemas/notification.py
@@ -1,22 +1,45 @@
-from pydantic import BaseModel
+from __future__ import annotations
 
+from pydantic import BaseModel, Field, field_validator
+
+from app.enums.notification import NotificationType
 from app.schemas.common import NaiveDatetime
 
 
+class NotificationCreditsOut(BaseModel):
+    """通知轮询接口携带的当前用户积分信息。"""
+
+    balance: float = Field(..., description="当前用户最新积分余额")
+
+
 class NotificationOut(BaseModel):
     id: str
     title: str
     content: str
-    type: str
+    type: NotificationType
     is_read: bool
     created_at: NaiveDatetime
 
+    @field_validator("type", mode="before")
+    @classmethod
+    def normalize_type(cls, value):
+        """兼容历史数据或后台自定义通知类型，避免响应模型校验失败。"""
+        if isinstance(value, NotificationType):
+            return value
+        if value is None:
+            return NotificationType.UNKNOWN
+        try:
+            return NotificationType(str(value))
+        except ValueError:
+            return NotificationType.UNKNOWN
+
     model_config = {"from_attributes": True}
 
 
 class NotificationListOut(BaseModel):
     items: list[NotificationOut]
     total: int
+    credits: NotificationCreditsOut
 
 
 class UnreadCountOut(BaseModel):