今天开始起在Chrome中调试，发现问题主要出在菜单栏（layout文件）中，google了一番，查到很多原因，不过最终解决方法倒是很简单，特此分享一下：
在C:/Windows/System32/drivers/etc里边有一个hosts文件，用记事本打开，里边最后几行原来是：
# localhost name resolution is handled within DNS itself.# 127.0.0.1 localhost# ::1 localhost
删掉127前面的#，改成：
# localhost name resolution is handled within DNS itself.
127.0.0.1 localhost# ::1 localhost
立竿见影。
原文载于，重点内容直接摘录
While developing an ASP.NET website running it on the Visual Studio ASP.NET development server I was noticing that page loads exceedingly slowly in Firefox and Google Chrome after upgrading to Windows 7 (same issue occurs with Windows Vista).
A page refresh would usually take up to 3 seconds (localhost) even without changing the source code (so it should be instantaneously, especially now that I’m using a SSD).
It appears that there is some kind of , but that can be easily fixed. Here are some of the solutions I have found:
1. Recommended Solution – machine wide: uncomment the localhost address in the hosts file (%WINDIR%/System32/drivers/etc/hosts): ()
# localhost name resolution is handled within DNS itself.
127.0.0.1 localhost
# ::1 localhost
# localhost name resolution is handled within DNS itself.127.0.0.1 localhost# ::1 localhost
2. Firefox-only solution:
1. Type about:config in the address bar and press Enter.
2. Scroll down until you find network.dns.disableIPv6.
3. Double-click on it to change its value to true.
4. Restart Firefox.
3. System wide-configuration (option 1):
netsh interface tcp set global autotuninglevel=disabled
4. System wide-configuration (option 2):
1. Launch Vista, click on Start, and then click on Run. Once the Run window appears, type regedit.
2. Once you have accessed the registry, you will add a registry value as follows: (DWORD type) Set to OxFF.
3. The registry is as follows: HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Services/Tcpip6/Parameters/DisabledComponents
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