diff --git a/asg_form/Controllers/AssignmentController.cs b/asg_form/Controllers/AssignmentController.cs
index 3b615aa..0a8fbd7 100644
--- a/asg_form/Controllers/AssignmentController.cs
+++ b/asg_form/Controllers/AssignmentController.cs
@@ -325,5 +325,40 @@ namespace asg_form.Controllers
             }
             
         }
+        public class taskChange
+        {
+            public long taskId { get; set; }
+            public string taskName { get; set; }
+            public string taskDescription { get; set; }
+            public long money { get; set; }
+        }
+        [Route("api/v1/admin/UpdateTasks")]
+        [HttpPut]
+        [Authorize]
+        public async Task<ActionResult<object>> UpdateTask([FromBody] taskChange msg)
+        {
+            try
+            {
+                if (!this.User.FindAll(ClaimTypes.Role).Any(a => a.Value == "nbadmin"))
+                {
+                    return Ok(new error_mb { code = 401, message = "无权访问" });
+                }
+                if(msg == null) return Ok(new error_mb { code = 400, message = "信息不完整" });
+                using (var db = new TestDbContext())
+                {
+                    var task = db.T_Task.Find(msg.taskId);
+                    if (task == null) return Ok(new { code = 404, message = "任务未找到" });
+                    task.taskDescription = msg.taskDescription;
+                    task.money = msg.money;
+                    task.taskName = msg.taskName;
+                    await db.SaveChangesAsync();
+                    return Ok(new { code = 200, message = "已修改" });
+                }
+            }
+            catch (Exception ex)
+            {
+                return Ok(new { code = 500, message = "服务器错误", ex });
+            }
+        }
     }
 }