It doesn't matter if the character you want to type is a running script. Just install the running script font into the system and change the typed character into a running script font.
To display the font of the running script when selecting words, click the following steps:
Right-click the status bar of QQ Pinyin Input Method and select Property Settings-Interface Settings. You can choose the Chinese font at the bottom right of the interface as the running script, as shown in the following figure:
Please adopt it, thank you!