“fcitx-qimpanel-configtool” - Click on the button of "Restores Default" doesn't take effect after edit the original skin

Configuration:
PC: HP-Pavilion-Sleekbook-15-PC, Dell-Inspiron-7437
OS: UK16.04-Daily-0727(alpha2)-i386&amd64
App:fcitx 1:4.2.9.1-1ubuntu1 all

“fcitx-qimpanel-configtool” - Click on the button of "Restores Default" doesn't take effect after edit the original skin.

【输入法】通过“输入法面板设置”选择未改动过的皮肤进入“皮肤编辑”页，对默认值进行改动后点击“恢复默认”按钮后提示“该皮肤已经恢复默认配置”，但“皮肤编辑”页改动项内容未实时修改(仍为改动后的状态)，此时点击“皮肤编辑”页的“确定”按钮，皮肤仍为改动后的样式。