Not Saving Dynamic Value Of Block into a block

[derciesto]

i create one block using [block slug="layout-blocks-container"]

like col-1
[block slug="layout-blocks-container"]

and i have also H1 block
<h1>i am text</h1>

when i put h1 block to col-1 block and change text of h1 its not update in output
its get only init value of h1 block.