diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index 0bb542a..ccf354c 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -484,6 +484,7 @@ model User {
   taskOrderCreated         TaskOrder[]         @relation("TaskOrderCreatedByUser")
 
   requestWorkStepStatus RequestWorkStepStatus[]
+  userTask              UserTask[]
 }
 
 model UserResponsibleArea {
@@ -1534,4 +1535,23 @@ model TaskOrder {
   createdAt       DateTime @default(now())
   createdBy       User     @relation(name: "TaskOrderCreatedByUser", fields: [createdByUserId], references: [id])
   createdByUserId String
+
+  userTask UserTask[]
+}
+
+enum UserTaskStatus {
+  Pending // Should not be use but define here for type
+  Accept
+  Submit
+}
+
+model UserTask {
+  id String @id @default(cuid())
+
+  userTaskStatus UserTaskStatus
+
+  taskOrder   TaskOrder @relation(fields: [taskOrderId], references: [id])
+  taskOrderId String
+  user        User      @relation(fields: [userId], references: [id])
+  userId      String
 }