diff --git a/config.py b/config.py
index 5cf58b3..d6735bf 100644
--- a/config.py
+++ b/config.py
@@ -10,3 +10,6 @@ DRAFT_URL = os.getenv("DRAFT_URL", "https://cm.jcaigc.cn/openapi/v1/get_draft")
 
 # 将容器内的文件路径转成一个下载路径，执行替换操作，即将/app/ -> https://cm.jcaigc.cn/
 DOWNLOAD_URL = os.getenv("DOWNLOAD_URL", "https://cm.jcaigc.cn/")
+
+# 草稿提示URL
+TIP_URL = os.getenv("TIP_URL", "https://docs.jcaigc.cn/")
\ No newline at end of file
diff --git a/exceptions.py b/exceptions.py
index 67f11dd..a6f2e33 100644
--- a/exceptions.py
+++ b/exceptions.py
@@ -12,7 +12,8 @@ class CustomError(Enum):
     AUTHENTICATION_FAILED = (1004, "认证失败")
     
     # ===== 业务错误码 (2000-2999) =====
-    DRAFT_CREATE_FAILED = (2001, "草稿创建失败")
+    INVALID_DRAFT_URL = (2001, "无效的草稿URL")
+    DRAFT_CREATE_FAILED = (2002, "草稿创建失败")
     
     # ===== 系统错误码 (9000-9999) =====
     INTERNAL_SERVER_ERROR = (9998, "系统内部错误")
diff --git a/src/router/v1.py b/src/router/v1.py
index 98749f5..085f26d 100644
--- a/src/router/v1.py
+++ b/src/router/v1.py
@@ -1,4 +1,3 @@
-from email import message
 from fastapi import APIRouter, Request, Depends
 from src.schemas.create_draft import CreateDraftRequest, CreateDraftResponse
 from src.schemas.add_videos import AddVideosRequest, AddVideosResponse
@@ -7,6 +6,7 @@ from src.schemas.gen_video import GenVideoRequest, GenVideoResponse
 from src.schemas.get_draft import GetDraftRequest, GetDraftResponse
 from src import service
 from typing import Annotated
+import config
 
 
 router = APIRouter(prefix="/v1", tags=["v1"])
@@ -23,7 +23,7 @@ def create_draft(request: Request, cdr: CreateDraftRequest):
         height=cdr.height
     )
 
-    return CreateDraftResponse(draft_url=draft_url)
+    return CreateDraftResponse(draft_url=draft_url, tip_url=config.TIP_URL)
 
 @router.post("/save_draft", response_model=SaveDraftResponse)
 def save_draft(request: Request, sdr: SaveDraftRequest):
@@ -31,11 +31,11 @@ def save_draft(request: Request, sdr: SaveDraftRequest):
     保存剪映草稿 (v1版本)
     """
     # 调用service层处理业务逻辑
-    draft_url, message = service.save_draft(
+    draft_url = service.save_draft(
         draft_url=sdr.draft_url,
     )
 
-    return SaveDraftResponse(message=message, draft_url=draft_url)
+    return SaveDraftResponse(draft_url=draft_url)
 
 @router.post("/add_videos", response_model=AddVideosResponse)
 def add_videos(request: Request, avr: AddVideosRequest):
diff --git a/src/schemas/create_draft.py b/src/schemas/create_draft.py
index 35cf31e..ef94df6 100644
--- a/src/schemas/create_draft.py
+++ b/src/schemas/create_draft.py
@@ -10,3 +10,4 @@ class CreateDraftRequest(BaseModel):
 class CreateDraftResponse(BaseModel):
     """创建草稿响应参数"""
     draft_url: str = Field(default="", description="草稿URL")
+    tip_url: str = Field(default="", description="草稿提示URL，获取帮助文档")
diff --git a/src/schemas/save_draft.py b/src/schemas/save_draft.py
index 5af6e69..81f1971 100644
--- a/src/schemas/save_draft.py
+++ b/src/schemas/save_draft.py
@@ -8,5 +8,4 @@ class SaveDraftRequest(BaseModel):
 
 class SaveDraftResponse(BaseModel):
     """创建草稿响应参数"""
-    message: str = Field(default="", description="响应消息")
     draft_url: str = Field(default="", description="草稿URL")
diff --git a/src/service/save_draft.py b/src/service/save_draft.py
index 417674c..6ad578e 100644
--- a/src/service/save_draft.py
+++ b/src/service/save_draft.py
@@ -2,11 +2,12 @@ from src.utils.logger import logger
 import src.pyJianYingDraft as draft
 from src.utils.draft_cache import DRAFT_CACHE
 from src.utils import helper
+from exceptions import CustomException, CustomError
 import config
 import os
 
 
-def save_draft(draft_url: str) -> (str, str):
+def save_draft(draft_url: str) -> str:
     """
     保存剪映草稿的业务逻辑
     
@@ -21,7 +22,8 @@ def save_draft(draft_url: str) -> (str, str):
     # 从URL中提取草稿ID
     draft_id = helper.get_url_param(draft_url, "draft_id")
     if (not draft_id) or (draft_id not in DRAFT_CACHE):
-        return "", "无效的草稿URL"
+        logger.info("invalid draft url: %s", draft_url)
+        raise CustomException(CustomError.INVALID_DRAFT_URL)
 
     # 从缓存中获取草稿
     script = DRAFT_CACHE[draft_id]
@@ -30,5 +32,4 @@ def save_draft(draft_url: str) -> (str, str):
     script.save()
 
     logger.info(f"save draft success: %s", os.path.join(config.DRAFT_DIR, draft_id))
-    return draft_url, "草稿保存成功"
-
+    return draft_url