Average Code Low . I can update Average Code?

trigger SumSodcSync on Sales_Order_Complete__c(Before insert) {
for(Sales_Order_Complete__c sodc:trigger.new){
      
        Sales_Order__c  Sod = [Select id from Sales_Order__c Where id = : ApexPages.currentPage().getParameters().get('id')];
        
        Sales_Order_Complete__c[] Scom = [Select id,OpportunitiesID__c ,DimensionTxWxL__c,Grade__c,Total_Weight__c,Quotes__c,
        Fail__c, Name, Products__c, Quantity__c,Quantity_Remain__c,Sales_OrderID__c,Success__c,Date__c,Pop__c,
        Sales_Order_Line_ItemID__c,Deliver_Remain__c,Delivery_Good_Pcs__c,Order_Quantity__c,Total_Finished_Good__c ,
        Delivery_Good_Ton__c,Delivery_Remain_Ton__c,Finished_Good_Remain__c,Finished_Good_Remain_Ton__c,Finished_Tons__c 
        from Sales_Order_Complete__c where Sales_OrderID__c  =: Sod.id And Pop__c != true ];
            
            Sodc_Sumary__c[] objssc = new Sodc_Sumary__c[]{};
            Sodc_Sumary__c Sc = new Sodc_Sumary__c();
      
                for(Sales_Order_Complete__c Ssc: Scom ){
                
                Sc = new Sodc_Sumary__c();
                Sc.Sales_Order__c = Ssc.Sales_OrderID__c;
                Sc.Dimen__c = Ssc.DimensionTxWxL__c;
                Sc.Grade__c = Ssc.Grade__c;
                Sc.Order_Status__c = Ssc.Id;
                Sc.Name = Ssc.Name;
                Sc.Finished_Good_Remain__c = Ssc.Finished_Good_Remain__c;
                Sc.Finished_Good_Remain_Ton__c = Ssc.Finished_Good_Remain_Ton__c;
                Sc.Deliver_Remain__c= Ssc.Deliver_Remain__c;
                Sc.Delivery_Remain_Ton__c = Ssc.Delivery_Remain_Ton__c;
                Sc.Quantity__c = Ssc.Order_Quantity__c;
                
                objssc.add(Sc); 
                }
                insert objssc; 
        
    }
}

@isTest
private class TestSumSodcSync {
 static testMethod void myUnitTest() {    
                Account Acc = New Account(Name = 'test',Type='Partner');
                insert Acc;
                Opportunities__c Opp = new Opportunities__c(Account_Name__c = Acc.ID,Stage__c = 'Negotiation',Probability__c ='60%',Unit__c ='Ton');
                insert Opp;
                Opportunities_Line_Item__c OppL = new Opportunities_Line_Item__c(OpportunitiesID__c = Opp.id);
                insert OppL;
                Quotes__c N = new Quotes__c(OpportunitiesID__c=Opp.id,Account_Name__c = Acc.id);
                insert N;    
                Quotes_Line_Item__c QL = new Quotes_Line_Item__c(QuotesID__c = N.id,Opportunities_Line_Item__c = OppL.id);
                insert QL;
                Sales_Order__c Sod = new Sales_Order__c(Quotes__c = N.id);
                insert Sod;
                Sales_Order_Line_Item__c SoL = new Sales_Order_Line_Item__c(Sales_OrderID__c = Sod.id);
                insert SoL;
                Sales_Order_Complete__c Sodc = new Sales_Order_Complete__c(Sales_OrderID__c = Sod.id,OpportunitiesID__c = Opp.id,Quotes__c = N.id,Sales_Order_Line_ItemID__c = SoL.id);
                insert Sodc;
                Sodc_Sumary__c Sos = new Sodc_Sumary__c(Order_Status__c = Sodc.id,Sales_Order__c = Sod.id);
                insert Sos;

              
  }                 
}

Thank you so much.