diff --git a/nonebot-plugin-novelai/aidraw.py b/nonebot-plugin-novelai/aidraw.py
index ffda2bf..38c6832 100644
--- a/nonebot-plugin-novelai/aidraw.py
+++ b/nonebot-plugin-novelai/aidraw.py
@@ -1,7 +1,7 @@
 import time
 from collections import deque
 import aiohttp
-from aiohttp.client_exceptions import ClientConnectorError
+from aiohttp.client_exceptions import ClientConnectorError, ClientOSError
 from argparse import Namespace
 from asyncio import get_running_loop
 from nonebot import get_bot, on_shell_command
@@ -14,7 +14,7 @@
 
 from .config import config, nickname
 from .utils.data import lowQuality, basetag
-from .mode import post, FIFO
+from .backend import post, FIFO
 from .extension.anlas import anlas_check, anlas_set
 from .extension.daylimit import DayLimit
 from .utils.save import save_img
@@ -29,8 +29,10 @@
 aidraw_parser = ArgumentParser()
 aidraw_parser.add_argument("tags", nargs="*", help="标签")
 aidraw_parser.add_argument("-p", "--shape", "-形状", help="画布形状", dest="shape")
-aidraw_parser.add_argument("-w", "--width", "-宽", help="画布宽", dest="width")
-aidraw_parser.add_argument("-h", "--height", "-高", help="画布高", dest="height")
+aidraw_parser.add_argument("-w", "--width", "-宽",
+                           type=int, help="画布宽", dest="width")
+aidraw_parser.add_argument("-e", "--height", "-高",
+                           type=int, help="画布高", dest="height")
 aidraw_parser.add_argument("-c", "--scale", "-规模",
                            type=float, help="规模", dest="scale")
 aidraw_parser.add_argument(
@@ -71,7 +73,7 @@ async def aidraw_get(bot: Bot,
             message = message+f",批量生成数量过多，自动修改为{config.novelai_max}"
             args.count = config.novelai_max
         # 判断次数限制
-        if config.novelai_daylimit and not await SUPERUSER(bot,event):
+        if config.novelai_daylimit and not await SUPERUSER(bot, event):
             left = DayLimit.count(user_id, args.count)
             if left == -1:
                 aidraw.finish(f"今天你的次数不够了哦")
@@ -225,14 +227,18 @@ async def _run_gennerate(fifo: FIFO):
     except ClientConnectorError:
         await sendtosuperuser(f"远程服务器拒绝连接，请检查配置是否正确，服务器是否已经启动")
         raise RuntimeError(f"远程服务器拒绝连接，请检查配置是否正确，服务器是否已经启动")
+    except ClientOSError:
+        await sendtosuperuser(f"远程服务器崩掉了欸……")
+        raise RuntimeError(f"服务器崩掉了欸……请等待主人修复吧")
     # 若启用ai检定，取消注释下行代码，并将构造消息体部分注释
     # message = await check_safe_method(fifo, img_bytes, message)
     # 构造消息体并保存图片
+    message = f"{config.novelai_mode}绘画完成~"
     for i in img_bytes:
         await save_img(fifo, i, fifo.group_id)
         message += MessageSegment.image(i)
     for i in fifo.format():
-        message = MessageSegment.text(i)
+        message += MessageSegment.text(i)
     # 扣除点数
     if fifo.cost > 0:
         await anlas_set(fifo.user_id, -fifo.cost)
diff --git a/nonebot-plugin-novelai/extension/ramdomgirl.py b/nonebot-plugin-novelai/amusement/ramdomgirl.py
similarity index 100%
rename from nonebot-plugin-novelai/extension/ramdomgirl.py
rename to nonebot-plugin-novelai/amusement/ramdomgirl.py
diff --git a/nonebot-plugin-novelai/extension/wordbank.py b/nonebot-plugin-novelai/amusement/wordbank.py
similarity index 100%
rename from nonebot-plugin-novelai/extension/wordbank.py
rename to nonebot-plugin-novelai/amusement/wordbank.py
diff --git a/nonebot-plugin-novelai/mode copy.py b/nonebot-plugin-novelai/backend/__init__.py
similarity index 91%
rename from nonebot-plugin-novelai/mode copy.py
rename to nonebot-plugin-novelai/backend/__init__.py
index d1029e4..f1ac672 100644
--- a/nonebot-plugin-novelai/mode copy.py	
+++ b/nonebot-plugin-novelai/backend/__init__.py
@@ -1,4 +1,4 @@
-from .config import config
+from ..config import config
 
 if config.novelai_mode=="novelai":
     from .novelai.post import post,FIFO
diff --git a/nonebot-plugin-novelai/base/fifo.py b/nonebot-plugin-novelai/backend/base/fifo.py
similarity index 80%
rename from nonebot-plugin-novelai/base/fifo.py
rename to nonebot-plugin-novelai/backend/base/fifo.py
index 18eb0eb..22993ad 100644
--- a/nonebot-plugin-novelai/base/fifo.py
+++ b/nonebot-plugin-novelai/backend/base/fifo.py
@@ -3,8 +3,8 @@
 import time
 from PIL import Image
 from nonebot import get_driver
-from ..utils.data import shapemap
-from ..config import config
+from ...utils.data import shapemap
+from ...config import config
 import random
 
 
@@ -41,7 +41,7 @@ def __init__(self,
         self.img2img: bool = False
         self.image: str = None
         if width and height:
-            self.shape_set(width,height)
+            self.shape_set(width, height)
         else:
             self.width, self.height = shapemap.get(shape or "p")
         # 数值合法检查
@@ -84,11 +84,20 @@ def add_image(self, image):
         self.img2img = True
         self.update_cost()
 
-    def shape_set(self, width, height):
-        base = round(min(width,height)/64)
-        if base>16:
-            base=16
-        if width >= height:
+    def shape_set(self, width:int, height:int):
+        if width*height > pow(config.novelai_size, 2):
+            if width<=height:
+                ratio=height/width
+                width:float=config.novelai_size/pow(ratio,0.5)
+                height:float=width*ratio
+            else:
+                ratio=width/height
+                height:float=config.novelai_size/pow(ratio,0.5)
+                width:float=height*ratio
+        base = round(max(width, height)/64)
+        if base > 16:
+            base = 16
+        if width <= height:
             self.width = round(width / height * base) * 64
             self.height = 64*base
         else:
@@ -100,21 +109,22 @@ def body(self):
 
     def keys(self):
         return (
-            "seed","scale", "strength", "noise", "sampler", "model", "steps", "width", "height", "img2img")
+            "seed", "scale", "strength", "noise", "sampler", "model", "steps", "width", "height", "img2img")
 
     def __getitem__(self, item):
         return getattr(self, item)
 
     def format(self):
         dict_self = dict(self)
-        list=[]
+        list = []
         str = ""
         for i, v in dict_self.items():
             str += f"{i}={v}\n"
         list.append(str)
-        list.append(f"tags={dict_self['tags']}\n")
-        list.append(f"ntags={dict_self['ntags']}")
+        list.append(f"tags={self.tags}\n")
+        list.append(f"ntags={self.ntags}")
         return list
+
     def __repr__(self):
         return f"time={self.time}\nuser_id={self.user_id}\ngroup_id={self.group_id}\ncost={self.cost}\ncount={self.count}\n"+"".join(self.format())
 
diff --git a/nonebot-plugin-novelai/base/post.py b/nonebot-plugin-novelai/backend/base/post.py
similarity index 96%
rename from nonebot-plugin-novelai/base/post.py
rename to nonebot-plugin-novelai/backend/base/post.py
index 07eaa1c..e17e53e 100644
--- a/nonebot-plugin-novelai/base/post.py
+++ b/nonebot-plugin-novelai/backend/base/post.py
@@ -4,7 +4,7 @@
 import aiohttp
 from nonebot.log import logger
 from .fifo import FIFO_BASE
-from ..utils import png2jpg
+from ...utils import png2jpg
 
 async def post_base(fifo: FIFO_BASE, header, post_api):
     # 请求交互
diff --git a/nonebot-plugin-novelai/naifu/fifo.py b/nonebot-plugin-novelai/backend/naifu/fifo.py
similarity index 100%
rename from nonebot-plugin-novelai/naifu/fifo.py
rename to nonebot-plugin-novelai/backend/naifu/fifo.py
diff --git a/nonebot-plugin-novelai/sd/post.py b/nonebot-plugin-novelai/backend/naifu/post.py
similarity index 92%
rename from nonebot-plugin-novelai/sd/post.py
rename to nonebot-plugin-novelai/backend/naifu/post.py
index 3b5be48..7f1c75a 100644
--- a/nonebot-plugin-novelai/sd/post.py
+++ b/nonebot-plugin-novelai/backend/naifu/post.py
@@ -1,4 +1,4 @@
-from ..config import config
+from ...config import config
 from .fifo import FIFO
 from ..base.post import post_base
 
diff --git a/nonebot-plugin-novelai/novelai/fifo.py b/nonebot-plugin-novelai/backend/novelai/fifo.py
similarity index 96%
rename from nonebot-plugin-novelai/novelai/fifo.py
rename to nonebot-plugin-novelai/backend/novelai/fifo.py
index d6cb415..03e82c3 100644
--- a/nonebot-plugin-novelai/novelai/fifo.py
+++ b/nonebot-plugin-novelai/backend/novelai/fifo.py
@@ -1,4 +1,4 @@
-from ..config import config
+from ...config import config
 from ..base.fifo import FIFO_BASE
 
 class FIFO(FIFO_BASE):
diff --git a/nonebot-plugin-novelai/novelai/post.py b/nonebot-plugin-novelai/backend/novelai/post.py
similarity index 95%
rename from nonebot-plugin-novelai/novelai/post.py
rename to nonebot-plugin-novelai/backend/novelai/post.py
index fd25335..d65bd5f 100644
--- a/nonebot-plugin-novelai/novelai/post.py
+++ b/nonebot-plugin-novelai/backend/novelai/post.py
@@ -1,4 +1,4 @@
-from ..config import config
+from ...config import config
 from .fifo import FIFO
 from ..base.post import post_base
 
diff --git a/nonebot-plugin-novelai/sd/fifo.py b/nonebot-plugin-novelai/backend/sd/fifo.py
similarity index 100%
rename from nonebot-plugin-novelai/sd/fifo.py
rename to nonebot-plugin-novelai/backend/sd/fifo.py
diff --git a/nonebot-plugin-novelai/naifu/post.py b/nonebot-plugin-novelai/backend/sd/post.py
similarity index 100%
rename from nonebot-plugin-novelai/naifu/post.py
rename to nonebot-plugin-novelai/backend/sd/post.py
diff --git a/nonebot-plugin-novelai/config.py b/nonebot-plugin-novelai/config.py
index 822d935..78b0740 100644
--- a/nonebot-plugin-novelai/config.py
+++ b/nonebot-plugin-novelai/config.py
@@ -25,6 +25,7 @@ class Config(BaseSettings):
     novelai_daylimit: int = 0  # 每日次数限制，0为禁用
     novelai_h: bool = False  # 是否允许H
     novelai_max: int = 3  # 每次能够生成的最大数量
+    novelai_size: int = 1024 # 允许生成的图片最大分辨率，对应(值)^2.默认为1024（即1024*1024）。如果服务器比较寄，建议改成640（640*640）或者根据能够承受的情况修改。naifu和novelai会分别限制最大长宽为1024
     # 可运行更改的设置
     novelai_tags: str = ""  # 内置的tag
     novelai_ntags: str = ""  # 内置的反tag
diff --git a/nonebot-plugin-novelai/mode.py b/nonebot-plugin-novelai/mode.py
deleted file mode 100644
index 798d1af..0000000
--- a/nonebot-plugin-novelai/mode.py
+++ /dev/null
@@ -1,6 +0,0 @@
-from .config import config
-count=0
-if count:
-    from .novelai.post import post,FIFO
-else:
-    from .naifu.post import post,FIFO
\ No newline at end of file
diff --git a/nonebot-plugin-novelai/version.py b/nonebot-plugin-novelai/version.py
index adaac6d..41f6475 100644
--- a/nonebot-plugin-novelai/version.py
+++ b/nonebot-plugin-novelai/version.py
@@ -19,7 +19,7 @@ def __init__(self):
         try:
             self.version = version(self.package)
         except:
-            self.version = "0.5.1"
+            self.version = "0.5.2"
 
     async def check_update(self):
         """检查更新，并推送"""