[问题描述]
打开"日志收集工具", 点击"导出"按钮, 概率性弹不出日志保存对话框.
能够看到"日志收集工具"主窗口亮度变灰色.

[系统版本]
OS: Deepin 20
Kernel: x86_64 Linux 5.3.0-3-amd64
Uptime: 3h 37m
Packages: 2984
Shell: bash
Resolution: 2720x1024
DE: Deepin 20
WM: KWin
GTK Theme: deepin-dark [GTK2/3]
Icon Theme: bloom
CPU: Intel Core i7-6700 @ 8x 4GHz [27.8°C]
GPU: Mesa DRI Intel(R) HD Graphics 530 (Skylake GT2)
RAM: 5367MiB / 15966MiB

[补充说明]
通过换源从 15.11 升级到 20 版本.