解决了问题，谢谢YaLee，下面是解决的过程
YeLee 写道:
看一下google的.desktop文件，看是不是少了一个%U在argv[1]里面。
看了一下/usr/share/applications/google-chrome.desktop 文件下，108行有
Exec=/usr/bin/google-chrome-stable %U
此外在~/.local/share/applications/文件夹下有如下三个文件
一、
chrome-ohmmkhmmmpcnpikjeljgnaoabkaalbgc-Default.desktop ，内容如下
引用:
#!/usr/bin/env xdg-open
[Desktop Entry]
Version=1.0
Terminal=false
Type=Application
Name=Chrome Apps & Extensions Developer Tool
Exec=/opt/google/chrome/google-chrome --profile-directory=Default --app-id=ohmmkhmmmpcnpikjeljgnaoabkaalbgc
Icon=chrome-ohmmkhmmmpcnpikjeljgnaoabkaalbgc-Default
StartupWMClass=crx_ohmmkhmmmpcnpikjeljgnaoabkaalbgc
二、
google-chrome.desktop ，内容如下
引用:
[Desktop Entry]
Encoding=UTF-8
Version=1.0
Type=Application
Name=Google Chrome
Icon=google-chrome
Path=/home/dora/Downloads
Exec=/opt/google/chrome/chrome
StartupNotify=false
StartupWMClass=google-chrome
OnlyShowIn=Unity;
X-UnityGenerated=true
MimeType=x-scheme-handler/unknown;x-scheme-handler/about;x-scheme-handler/https;x-scheme-handler/http;text/html;
三、
mimeapps.list ，内容如下
代码:
[Default Applications]
text/html=google-chrome.desktop
x-scheme-handler/http=google-chrome.desktop
x-scheme-handler/https=google-chrome.desktop
x-scheme-handler/about=google-chrome.desktop
x-scheme-handler/unknown=google-chrome.desktop
查了一下，%U的意思
在
http://unix.stackexchange.com/questions/55052/what-is-the-u-in-chromium-u-for-inside-chromium-desktop找到解释
引用:
It indicates that chromium may be passed a list of URLs on its command line. See the Exec key of the Desktop Entry Specification for a description of the available codes and what they mean.
所以尝试在~/.local/share/applications/google-chrome.desktop 中加上%U ，如下：
引用:
Exec=/opt/google/chrome/chrome %U
就解决了问题
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