How to deal with batch positioning processing with ps?

Step 1: We run Photoshop software, open a picture at will, open → window → action (ALT+F9);

Step 2: Click the "New Group" button in the fourth folder below and name it "Batch Processing";

Step 3: Click the "New Job" button in the fifth file below and name it "Reduce Picture";

Step 4: At this point, all the actions we do will be recorded. Open → Image → Image Size (CTRL+ALT+I)→ Enter the required image size parameters → OK;

Step 5: Open → File → Save as (CTRL+SHIFT+S)→ Free storage location → Select JPG→ As shown in the figure below;

Step 6: Then execute → File → Close;

Step 7: Click the first "Stop Action" button of the action, and this action will be recorded;

Step 8: The miracle begins here. Click File → Automatic → Batch Processing → Batch Processing Panel → Combination Selection Batch Processing → Select Reduce Picture in Action.

Source Select Folder → Select the folder to modify → Check → Click OK in the overwrite operation.