diff --git a/package.json b/package.json
index a5a5235..7e66cb6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "moephoto",
-  "version": "4.5.2",
+  "version": "4.5.4",
   "description": "MoePhoto Image Toolbox萌图工具箱   一个基于深度学习的AI图像修复软件（更新中...）   感兴趣的加QQ群320785467讨论   ### 基本功能 * 图像降噪 * 超分辨率 * 去雾 * 涂抹及风格化",
   "private": true,
   "directories": {
diff --git a/python/video.py b/python/video.py
index 32092e9..be6d274 100644
--- a/python/video.py
+++ b/python/video.py
@@ -105,26 +105,17 @@ def prepare(video, steps):
     width = optDecode['width']
   if 'height' in optDecode:
     height = optDecode['height']
-  scaleW = scaleH = 1
   outWidth, outHeight = (width, height)
   for opt in filter((lambda opt: opt['op'] == 'SR' or opt['op'] == 'resize'), procSteps):
     if opt['op'] == 'SR':
-      scaleW *= opt['scale']
-      scaleH *= opt['scale']
-    else:
-      if 'scaleW' in opt:
-        scaleW = opt['scaleW']
-      else:
-        scaleW = 1
-        outWidth = opt['width']
-      if 'scaleH' in opt:
-        scaleH = opt['scaleH']
-      else:
-        scaleH = 1
-        outHeight = opt['height']
+      outWidth *= opt['scale']
+      outHeight *= opt['scale']
+    else: # resize
+      outWidth = round(outWidth * opt['scaleW']) if 'scaleW' in opt else opt['width']
+      outHeight = round(outHeight * opt['scaleH']) if 'scaleH' in opt else opt['height']
   if start < 0:
     start = 0
-  if start and len(slomos):
+  if start and len(slomos): # should generate intermediate frames between start-1 and start
     start -= 1
     for opt in slomos:
       opt['opt'].firstTime = 0
@@ -157,7 +148,7 @@ def prepare(video, steps):
     '-y',
     '-f', 'rawvideo',
     '-pix_fmt', pix_fmt,
-    '-s', '{}x{}'.format(outWidth * scaleW, outHeight * scaleH),
+    '-s', '{}x{}'.format(outWidth, outHeight),
     '-r', str(frameRate),
     '-i', '-',
     '-i', video,
diff --git a/server.bat b/server.bat
new file mode 100644
index 0000000..d90fd47
--- /dev/null
+++ b/server.bat
@@ -0,0 +1,6 @@
+@echo off
+setlocal
+%~d0
+cd %~dp0
+ipconfig
+MoePhoto.exe -g
\ No newline at end of file
diff --git a/src/js/main.js b/src/js/main.js
index e19f3ba..385823c 100644
--- a/src/js/main.js
+++ b/src/js/main.js
@@ -152,7 +152,8 @@ const panels = {
         values: [
           { value: 'scale', binds: ['scaleW'] },
           { value: 'pixel', binds: ['width'], checked: 1 }
-        ]
+        ],
+        notes: ['按比例缩放图像长宽的小数部分四舍五入为整数']
       },
       scaleW: {
         type: 'number',
diff --git a/templates/1-header.html b/templates/1-header.html
index 8d6bbd8..b1f3060 100644
--- a/templates/1-header.html
+++ b/templates/1-header.html
@@ -34,6 +34,9 @@ <h1>
 							<li>
 								<a href="/gallery">相册</a>
 							</li>
+							<li>
+								<a href="/system">系统信息</a>
+							</li>
 							<li>
 								<a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true"
 									aria-expanded="false">
@@ -42,13 +45,13 @@ <h1>
 								</a>
 								<ul class="dropdown-menu">
 									<li>
-										<a href="/document">使用教程</a>
+										<a href="/lock">后台管理</a>
 									</li>
 									<li>
-										<a href="/about">关于软件</a>
+										<a href="/document">使用教程</a>
 									</li>
 									<li>
-										<a href="/system">系统信息</a>
+										<a href="/about">关于软件</a>
 									</li>
 								</ul>
 							</li>
diff --git a/templates/index.html b/templates/index.html
index b39b711..396cd3e 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -54,6 +54,9 @@ <h1>
 								<li>
 									<a href="/gallery">相册</a>
 								</li>
+								<li>
+									<a href="/system">系统信息</a>
+								</li>
 								<li>
 									<a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true"
 										aria-expanded="false">
@@ -62,13 +65,13 @@ <h1>
 									</a>
 									<ul class="dropdown-menu">
 										<li>
-											<a href="/document">使用教程</a>
+											<a href="/lock">后台管理</a>
 										</li>
 										<li>
-											<a href="/about">关于软件</a>
+											<a href="/document">使用教程</a>
 										</li>
 										<li>
-											<a href="/system">系统信息</a>
+											<a href="/about">关于软件</a>
 										</li>
 									</ul>
 								</li>