diff --git a/docs/Application_guide/en/media/dev-tools/LogTool/CatStudio-export-pcap-file-finish.png b/docs/Application_guide/en/media/dev-tools/LogTool/CatStudio-export-pcap-file-finish.png
index 7cd2c5adb9758b81a078ba4cc6cba7af90ddb586..b7c48506fa219d0702236b413f601e08f3cbbb47 100644
Binary files a/docs/Application_guide/en/media/dev-tools/LogTool/CatStudio-export-pcap-file-finish.png and b/docs/Application_guide/en/media/dev-tools/LogTool/CatStudio-export-pcap-file-finish.png differ
diff --git a/docs/Application_guide/en/media/dev-tools/LogTool/QWinLog-open-port-failed.png b/docs/Application_guide/en/media/dev-tools/LogTool/QWinLog-open-port-failed.png
index cba811d8e732dd4be5ca7d78523b95de8330961f..a98a8f58ee1dd7b4032ada1aefba31d0be2d8262 100644
Binary files a/docs/Application_guide/en/media/dev-tools/LogTool/QWinLog-open-port-failed.png and b/docs/Application_guide/en/media/dev-tools/LogTool/QWinLog-open-port-failed.png differ