jets (see Fig.\[fig5\] (a) and (b)), which begin to emerge at around 04:58 UT. Therefore, it is reasonable suspected that these new emerging flux result in the occurrences of these H$\alpha$ jets or EUV jets. The new emerging flux could reconnect with the pre-existing magnetic field, which maybe cause the occurrences of these jets. However, some H$\alpha$ jets could not be detected by the $SDO$/AIA instrument, which may be due to the low temperature of the H$\alpha$ jets and could not enhance the intensities of $SDO$/AIA band lines. Nevertheless, these cool H$\alpha$ jets also could lift the cool plasma into the filament height, and supply the material for the filament formation.

![Time profiles of different parameters in the yellow box in the panel (d1) of Fig.\[fig2\]. (a) Evolutions of negative flux and flux rate. (b) The variations of $SDO$/AIA intensities in different bands. The red vertical dashed lines denote the onset of the first material injection event and the other material injection observed by the NVST at 05:09 UT and 05:59 UT, respectively. The blue vertical dashed-dotted lines indicate the time of EUV jets \[fig5\]](figure5){width="\columnwidth"}

In order to estimate the mass of the cool plasma driven by the jets, we 