file.upload_time 改为 update_time

file/admin.py

@@ -4,7 +4,7 @@ from .models import File
 
 # Register your models here.
 class FileAdmin(admin.ModelAdmin):
-    list_display = ["file_id", "file_name", "father_folder", "upload_time", "file_type", "owner", "group"]
+    list_display = ["file_id", "file_name", "father_folder", "update_time", "file_type", "owner", "group"]
 
 
 admin.site.register(File, FileAdmin)

file/models.py

@@ -23,7 +23,7 @@ class File(models.Model):
     # 从属的文件夹
     father_folder = models.ForeignKey(Folder, on_delete=models.CASCADE, related_name='children_files')
     # 更新时间
-    update_time = models.DateTimeField(auto_now_add=True, editable=False)
+    update_time = models.DateTimeField(auto_now=True, editable=False)
     # 文件类型
     file_type = models.CharField(max_length=32)
     # 文件大小