diff --git a/app/model/ReimburseModel.py b/app/model/ReimburseModel.py
index 47d3f15..b85f213 100644
--- a/app/model/ReimburseModel.py
+++ b/app/model/ReimburseModel.py
@@ -6,6 +6,7 @@ from pydantic import computed_field
 from sqlalchemy.orm import selectinload
 from sqlmodel import Field, Relationship, select
 
+from app.model.ApproveModel import ApproveModel
 from app.model.BasicModel import BasicModel
 from app.model.ProjectModel import ProjectModel
 from app.model.ReimburseOtherModel import ReimburseOtherModel
@@ -98,6 +99,32 @@ class ReimburseModel(BasicModel, table=True):
   def amount(self, value: decimal) -> None:
     pass
 
+  # /*---------------------------------------approve_id-------------------------------------------*/
+
+  approve_id: str = Field(
+    default=None,
+    description="关联审批单的ID",
+    foreign_key="pl_approve.id",  # 添加外键约束
+    nullable=True
+  )
+
+  approve_rel: Optional["ApproveModel"] = Relationship(
+    sa_relationship_kwargs={
+      "foreign_keys": "ReimburseModel.approve_id",
+      "remote_side": "ApproveModel.id",
+      "uselist": False
+    }
+  )
+
+  @computed_field
+  @property
+  def approve(self) -> Optional[ApproveModel]:
+    return self.approve_rel
+
+  @approve.setter
+  def approve(self, value: Optional[ApproveModel]) -> None:
+    pass
+
 
 ReimburseService = create_model_service(
   Cls=ReimburseModel,
@@ -108,5 +135,9 @@ ReimburseService = create_model_service(
 
     selectinload(ReimburseModel.travel_list_rel),
     selectinload(ReimburseModel.other_list_rel),
+
+    selectinload(ReimburseModel.approve_rel).
+    selectinload(ApproveModel.proj_rel).
+    selectinload(ProjectModel.leader),
   )
 )