传统步骤，先reset IE（如果你用IE浏览器的话）：
Step 1: Clean up temporary Internet information.
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1. Please click Start, click Run, enter "INETCPL.CPL", and click OK.
2. In the pop up window, please click "Delete Cookies" and click "OK" when prompted to confirm.
3. Click "Delete Files" and click "OK" to confirm.
4. Click "Clear History" and select "Yes" to confirm.
5. Click "Settings", and then click "View Files". Delete all files in this folder.
6. In the Settings window, click "View Objects". Delete all the objects in this folder. If some objects cannot be deleted, please restart the computer and try again.
Step 2: Reload default settings.
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1. Switch to the "Security" tab, select "Internet" and click "Default Level" if it is not grayed out.
2. Clear the "Trusted sites" and "Restricted sites".
3. Switch to the "Privacy tab", click "Default" if it is not grayed out.
4. Switch to the "Content" tab, click "AutoComplete". Clear Forms and Passwords.
5. Switch to the "Advanced" tab, click the "Restore Defaults" button and then deselect "Enable third-party browser extensions".
