diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index 1c6ac1d..8a33a11 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -1380,7 +1380,7 @@ model Payment {
   date   DateTime?
 
   createdAt       DateTime @default(now())
-  createdBy       User?    @relation(fields: [createdByUserId], references: [id])
+  createdBy       User?    @relation(fields: [createdByUserId], references: [id], onDelete: SetNull)
   createdByUserId String?
 }
 
@@ -1420,10 +1420,10 @@ enum RequestWorkStatus {
 model RequestWork {
   id String @id @default(cuid())
 
-  request       RequestData @relation(fields: [requestDataId], references: [id])
+  request       RequestData @relation(fields: [requestDataId], references: [id], onDelete: Cascade)
   requestDataId String
 
-  productService   QuotationProductServiceList @relation(fields: [productServiceId], references: [id])
+  productService   QuotationProductServiceList @relation(fields: [productServiceId], references: [id], onDelete: Cascade)
   productServiceId String
 
   workStatus RequestWorkStatus @default(Pending)