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Attached is the second week of 2026，That is, the historical 1-minute data of Shanghai and Shenzhen stocks for a total of 5 trading days from 2026-01-12 to 2026-01-16。After downloading the file, please use winrar to decompress it first.，The file directory contains the data files for each stock.，Formatted as TXT text，You can open it directly to view。 If you are using FeiFox，The data import method is as shown below： If you also need historical 1-minute data in other formats，Please leave a message in the comment area。Currently, only historical 1-minute data in TXT format is provided.。

Attached is the second week of 2026，That is, the historical 5-minute data of Shanghai and Shenzhen stocks for a total of 5 trading days from 2026-01-12 to 2026-01-16。After downloading the file, please use winrar to decompress it first.，The file directory contains the data files for each stock.，Formatted as TXT text，You can open it directly to view。 If you are using FeiFox，The data import method is as shown below： If you also need historical 5-minute data in other formats，Please leave a message in the comment area。Currently, only historical 5-minute data in TXT format is provided.。

Attached is the historical data of Shanghai and Shenzhen stocks on March 20, 2026。After downloading the file, please use winrar to decompress it first.，The compressed file contains three file directories，They are Shanghai Stock Exchange、Shenzhen City、Beijing City’s transaction data files on March 20, 2026(A total of three QRT files)，The format is QRT used by Feihu。Contains three levels of buying and selling orders，As shown below： Copy the three file directories obtained after decompression above directly to the DATA folder of the Feifox installation directory.，As shown below： If you also need historical data in other formats，Please leave a message in the comment area。Currently, only historical transaction data in Feihu format is provided.。

Attached is the historical transaction data of Shanghai and Shenzhen stocks on 2026-03-19。After downloading the file, please use winrar to decompress it first.，The compressed file contains three file directories，They are Shanghai Stock Exchange、Shenzhen City、Beijing City’s transaction data files on March 19, 2026(A total of three QRT files)，The format is QRT used by Feihu。Contains three levels of buying and selling orders，As shown below： Copy the three file directories obtained after decompression above directly to the DATA folder of the Feifox installation directory.，As shown below： If you also need historical data in other formats，Please leave a message in the comment area。Currently, only historical transaction data in Feihu format is provided.。

Attached is the historical transaction data of Shanghai and Shenzhen stocks on March 18, 2026。After downloading the file, please use winrar to decompress it first.，The compressed file contains three file directories，They are Shanghai Stock Exchange、Shenzhen City、Beijing City's transaction data files on March 18, 2026(A total of three QRT files)，The format is QRT used by Feihu。Contains three levels of buying and selling orders，As shown below： Copy the three file directories obtained after decompression above directly to the DATA folder of the Feifox installation directory.，As shown below： If you also need historical data in other formats，Please leave a message in the comment area。Currently, only historical transaction data in Feihu format is provided.。

When your Mac is low on disk space，You may need to clean up your user folders of files you no longer need，Such as documentation、Downloads and desktop files。Here are the detailed steps on how to delete these files，Hope it helps you solve the problem： Right click delete： Right click on the file，Select "Move to Trash"。 Drag to Trash： Hold down the left mouse button and drag the file to the Trash icon at the bottom of the screen。 Use shortcut keys： After selecting the file，Press Command + Delete key combination，to move the file to the Trash。 With these simple steps，You can quickly clean up files you no longer need，Free up disk space。

Just got a MacBook not long ago，You may find that your computer’s startup items are messy and disorganized。Some programs are set to start at startup by default after installation.，But the program you want does not start。Next，Let’s take a look at how to add and delete MacBook startup items。 How to set startup items： Open System Preferences and click the Apple logo in the upper left corner，Select "System Preferences"。 Go to Users & Groups Find and click "Users & Groups" in System Preferences。 Select Administrator Account Select your administrator account in the list on the left，Then click the "Login Items" tab on the right。 Manage login items on the Login Items page，You will see a list of programs that have been set to start at startup，and related adjustment buttons。 Delete a startup program To delete a program from startup，Click on the program，Then click the minus sign "-" below。 Add a startup program To add a program to the startup items，Click the plus sign "+" below，Then select the program in "Applications"，Click "Add"。 Unlocking and Modifications If certain programs are locked and cannot be removed，Click the unlock button in the lower left corner of the window，Enter your computer password，Then you can follow the steps above。 Go through the above steps，You can easily manage MacBook startup items，Make sure only the programs you need start automatically at boot。

By default，Mac computers cannot install external software from non-App Store sources。This is because Mac’s new system enables new security mechanisms。So how to solve this problem? This article will introduce how to allow the installation of non-App Store software on Mac。 Open system preferences：Click the Apple icon in the upper left corner of the screen，Then select "System Preferences" in the drop-down menu。 Go to Security & Privacy：In the System Preferences dialog，Select the "Security & Privacy" option。 Unlock settings：In the lower left corner of the Security & Privacy dialog box，Click the lock button。 Enter system password：Enter the system password in the pop-up interface，Then click "Unlock"。 Allows installation of software from any source：Select Allow software installation from "Any Source"，and click the lock button in the lower left corner again，lock it。 Go through the above steps，You can now install external software from non-App Store sources on your Mac computer。