修更新的bud

Teachers/api/tea_api.py

@@ -28,13 +28,17 @@ def delete_tea(id:int|None,db=Depends(get_db)):
         raise HTTPException(status_code=500,detail='删除失败！')
     return {'detail':'删除成功！'}
 
-@tea_api.put('/tea/{id}',summary='更新老师信息',description='输入更改的信息，可以为空')
-def update_tea(id:int,tea:NewTeaRequest,db=Depends(get_db)):
-    t = tea.model_dump(exclude_unset= True)
-    r = update_tea_dao(id=id,t=t,db=db)
-    if not r:
-        raise HTTPException(status_code=404,detail='老师不存在')
-    return {'detail':'更新成功'}
+@tea_api.put('/tea/{id}', summary='更新老师信息', description='输入更改的信息，可以为空')
+def update_tea(id: int, tea: NewTeaRequest = Depends(), db=Depends(get_db)):
+    t = tea.model_dump(exclude_unset=True)
+    r = update_tea_dao(id=id, t=t, db=db)
+    if r == 'NOT_FOUND':
+        raise HTTPException(status_code=404, detail='老师不存在')
+    if r == 'NO_CHANGE':
+        raise HTTPException(status_code=400, detail='没有要更新的内容')
+    if isinstance(r, str) and r.startswith('ERROR'):
+        raise HTTPException(status_code=400, detail=r)
+    return {'detail': '更新成功'}
 
 #根据任意信息删除
 @tea_api.delete('/tea',summary='根据任意信息逻辑删除',description='输入任意信息删除')