Customize the bank and bank account data in the payment application form

ERPNext
1

What should I do to customize the printing format to obtain the bank and bank account data in the payment application document?

The data obtained through {{frappe.db.get_value(“Payment Request”, “doc.Payment_Request”, “Bank_Account_No”)}}is empty.

Obtain data from the payment voucher in the payment application form

2 
<center><h3>Tax Invoice</h3><center>
<table width=90% height=30% border=1>
   <tr>
       <td width=50% rowspan=3>

           {{frappe.db.get_value("Payment Request", doc.Payment_Request, "Bank_Account_No")or ""}}
           
           {{frappe.db.get_value("Payment Request", doc.Payment_Request, "Bank")or ""}}
           
       </td>
       <td width=25%>
           Invoice No.<br>
           <b>{{ doc.name }}</b>
       </td>
       <td width=25%>
           Dated<br>
	   <b>{{ frappe.utils.formatdate(doc.posting_date) }}</b>
       </td>
   </tr>
   <tr>
       <td width=25%>
           Delivery Note<br>
	   <b>&nbsp;</b>
       </td>
       <td width=25%>
           Mode/Terms of Payment<br>
	   <b>&nbsp;</b>
       </td>
   </tr>
   <tr>
       <td width=25%>
           Supplier's Ref.<br>
	   <b>&nbsp;</b>
       </td>
       <td width=25%>
           Other Reference(s)<br>
	   <b>&nbsp;</b>
       </td>
   </tr>
   <tr>
       <td width=50% rowspan=4>
           <i>Customer</i><br>
           <strong>{{ doc.customer_name or "" }}</strong><br>
	   {{ doc.address_display or "" }}
       </td>
       <td width=25%>
           Buyer's Order No.<br>
	   <b>&nbsp;</b>
       </td>
       <td width=25%>
           Dated<br>
	   <b>&nbsp;</b>
       </td>
   </tr>
   <tr>
       <td width=25%>
           Despatch Document No.<br>
	   <b>&nbsp;</b>
       </td>
       <td width=25%>
           Dated<br>
	   <b>&nbsp;</b>
       </td>
   </tr>
   <tr>
       <td width=25%>
           Despatched through<br>
	   <b>&nbsp;</b>
       </td>
       <td width=25%>
           Destination<br>
	   <b>&nbsp;</b>
       </td>
   </tr>
   <tr>
       <td width=25% height=100 colspan=2>
           Terms of Delivery<br>
	   <b>&nbsp;</b>
       </td>
   </tr>
</table>
<TABLE cellpadding=0 cellspacing=0 width=90% border=1>
<TR>
	<TH WIDTH=1%>Sl</TD>
	<TH>Particulars</TD>
	<TH WIDTH=3%>QTY</TD>
	<TH WIDTH=20%>Rate</TD>
	<TH WIDTH=20%>VAT</TD>
	<TH WIDTH=20%>Amount</TD>
</TR>

{% for item in doc.items %}
{% set remrows = 10 - loop.revindex %}
<TR>
	<TD>{{ loop.index }}</TD>
	<TD>{{ item.item_name }}</TD>
	<TD align=center>{{ item.get_formatted("qty", 0) }}</TD>
	<TD align=right>{{ item.get_formatted("rate", doc) }}</TD>
	<td align=center>
		{% set mydict = json.loads(item.item_tax_rate) %}
		{% if item.item_tax_rate == "{}" %}
			{% for row in doc.taxes %}
				{{ row.rate }}.0%
			{% endfor %}
		{% else %}
			{% for key, value in mydict.items() %}
				{{ value }}%
			{% endfor %}
		{% endif %}


        </td>
	<TD align=right>{{ item.get_formatted("amount", doc) }}</TD>
</TR>
{% set trate = "" %}
{% endfor %}

<!-- {% set loop = 10 - doc.items|length  %}
{% for i in range(loop) %}
<TR>
	<TD>&nbsp;</TD>
	<TD>&nbsp;</TD>
	<TD>&nbsp;</TD>
	<TD>&nbsp;</TD>
	<TD>&nbsp;</TD>
</TR>
{% endfor %} -->
</TABLE>

<TABLE cellpadding=0 cellspacing=0 width=90% border=1>
<TR>
        <TD rowspan=3 >
            Amount in Words<br>
            <B>{{ doc.in_words }}</B><br><br>
            <B>{{ doc.base_in_words }}</B>
        </TD>
	<TD WIDTH=13% align=right><B>SUB TOTAL</B></TD>
        <TD WIDTH=20% align=right><B>{{ doc.get_formatted("base_total", doc) }}</B></TD>
	<TD WIDTH=20% align=right><B>{{ doc.get_formatted("total", doc) }}</B></TD>
</TR>
<TR>
	<TD align=right><B>VAT</B></TD>
        <TD WIDTH=20% align=right><B>{{ doc.get_formatted("base_total_taxes_and_charges", doc) }}</B></TD>
	<TD WIDTH=20% align=right><B>{{ doc.get_formatted("total_taxes_and_charges", doc) }}</B></TD>
	
</TR>
<TR>
	<TD align=right><B>TOTAL</B></TD>
	<TD WIDTH=20% align=right><B>{{ doc.get_formatted("base_grand_total", doc) }}</B></TD>
	<TD WIDTH=20% align=right><B>{{ doc.get_formatted("grand_total", doc) }}</B></TD>
</TR>
<TR>
	<TD colspan=2 height=120>{{ doc.remarks }}</B></TD>
	<TD align=right colspan=3>
            <B>for {{ doc.company }}</B>
            <div style="position: relative; height: 100px; border: solid; border-style: none;">
               <div style="position: absolute; height: 10px; border: solid; bottom: 0; right: 0;  left: 0; border-style: none;">
                  Authorised Signatory
               </div>
            </div>
        </TD>
</TR>
</TABLE>

Only the bank information of the last document can be obtained, but not the bank information of the current document