Firewall can effectively protect your Mac computer from unauthorized network access。Here are the steps to turn on and configure the firewall on your Mac computer。 step one：打开系统偏好设置 1.点击屏幕左上角的苹果图标，Select "System Preferences"。 Step 2：进入安全性与隐私 2.在系统偏好设置中，Click "Security & Privacy"。 Step 3：解锁设置 3.点击左下角的锁图标，and enter the administrator password to unlock settings。 Step 4：打开防火墙 4.选择“防火墙”选项卡，Click the "Turn on firewall" button。 Step 5：配置防火墙 5.点击“防火墙选项…”按钮，Make further configuration。您可以选择允许或阻止特定...

Attached is the first week of 2026，That is, the historical 5-minute data of Shanghai and Shenzhen stocks for 5 trading days from 2026-01-05 to 2026-01-09。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 53rd week of 2025，That is, the historical 5-minute data of Shanghai and Shenzhen stocks for 3 trading days from 2025-12-29 to 2025-12-31。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 52nd week of 2025，That is, the historical 5-minute data of Shanghai and Shenzhen stocks for 5 trading days from 2025-12-22 to 2025-12-26。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 51st week of 2025，That is, the historical 5-minute data of Shanghai and Shenzhen stocks for 5 trading days from 2025-12-15 to 2025-12-19。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 50th week of 2025，That is, the historical 5-minute data of Shanghai and Shenzhen stocks for 5 trading days from 2025-12-08 to 2025-12-12。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 49th week of 2025，That is, the historical 5-minute data of Shanghai and Shenzhen stocks for 5 trading days from 2025-12-01 to 2025-12-05。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 first week of 2026，That is, the historical 1-minute data of Shanghai and Shenzhen stocks for a total of 5 trading days from 2026-01-05 to 2026-01-09。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.。...