项目
数据集
课程
比赛
模型库
活动
更多
论坛
访问飞桨官网
首页 Paddle框架 帖子详情
线性回归例子组网报错
收藏
快速回复
Paddle框架 问答深度学习 1698 9
线性回归例子组网报错
收藏
快速回复
Paddle框架 问答深度学习 1698 9 
# -*- coding: utf-8 -*-
"""
Created on Thu Dec 19 21:48:34 2019

线性回归问题

@author: 杨
"""
import paddle.fluid as fluid
import paddle
import numpy as np




#定义线性回归模型
x = fluid.layers.data(name='x', shape=[13], dtype='float32')  
hidden = fluid.layers.fc(input=x, size=100, act='relu')   #提取100个特征
net = fluid.layers.fc(input=hidden, size=1, act=None)

#定义损失函数
y=fluid.layers.data(name="y",shape=[1],dtype="float32")
cost=fluid.layers.square_error_cost(input=net,label=y)
avg_cost=fluid.layers.mean(cost)


#复制一个主程序，方便以后使用
test_program=fluid.default_main_program().clone(for_test=True)


#定义优化算法
optimizer=fluid.optimizer.SGDOptimizer(learning_rate=0.01)
opts=optimizer.minimize(avg_cost)


# 创建一个使用CPU的执行器
place = fluid.CPUPlace()
exe = fluid.Executor(place)
# 进行参数初始化
exe.run(fluid.default_startup_program())


# 定义训练和测试数据
x_data = np.array([[1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0], 
                   [2.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0], 
                   [3.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0], 
                   [4.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0], 
                   [5.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0]]).astype('float32')
y_data = np.array([[3.0], [5.0], [7.0], [9.0], [11.0]]).astype('float32')
test_data = np.array([[6.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0]]).astype('float32')



# 开始训练100个pass
for pass_id in range(10):
    train_cost = exe.run(program=fluid.default_main_program(),
                         feed={'x': x_data, 'y': y_data},
                         fetch_list=[avg_cost])
    print("Pass:%d, Cost:%0.5f" % (pass_id, train_cost[0]))


# 开始训练和测试
for pass_id in range(10):
    # 开始训练并输出最后一个batch的损失值
    train_cost = 0
    for batch_id, data in enumerate(train_reader()):
        train_cost = exe.run(program=fluid.default_main_program(),
                             feed=feeder.feed(data),
                             fetch_list=[avg_cost])
    print("Pass:%d, Cost:%0.5f" % (pass_id, train_cost[0][0]))

    # 开始测试并输出最后一个batch的损失值
    test_cost = 0
    for batch_id, data in enumerate(test_reader()):
        test_cost = exe.run(program=fluid.default_main_program(),
                            feed=feeder.feed(data),
                            fetch_list=[avg_cost])
    print('Test:%d, Cost:%0.5f' % (pass_id, test_cost[0][0]))

报错：

代码报错 ---------------------- Error Message Summary: ---------------------- PaddleCheckError: Expected dtype != -1, but received dtype:-1 == -1:-1. Sum operator should have at least one tensor at [D:\1.6.1\paddle\paddle\fluid\operators\sum_op.cc:142] [operator < sum > error] #21852
0
收藏
回复
全部评论(9)
时间顺序
AIStudio789212
#5 回复于2019-12

it comes from the CSDN blogs，which was written by yeyupiaoling

0
回复
AIStudio789212
#7 回复于2019-12

已经可以了

0
回复
Jay丨孤丨
#9 回复于2020-02

我也遇到了该问题，请问怎么解决的？

0
回复
jiongjiong
#10 回复于2020-10

仍然报错：

/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/paddle/fluid/executor.py:1070: UserWarning: The following exception is not an EOF exception.
"The following exception is not an EOF exception.")

---------------------------------------------------------------------------EnforceNotMet Traceback (most recent call last) in
3 train_cost = exe.run(program=fluid.default_main_program(),
4 feed={'x': x_data, 'y': y_data},
----> 5 fetch_list=[avg_cost])
6 print("Pass:%d, Cost:%0.5f" % (pass_id, train_cost[0]))
/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/paddle/fluid/executor.py in run(self, program, feed, fetch_list, feed_var_name, fetch_var_name, scope, return_numpy, use_program_cache, return_merged, use_prune)
1069 warnings.warn(
1070 "The following exception is not an EOF exception.")
-> 1071 six.reraise(*sys.exc_info())
1072
1073 def _run_impl(self, program, feed, fetch_list, feed_var_name,
/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/six.py in reraise(tp, value, tb)
701 if value.__traceback__ is not tb:
702 raise value.with_traceback(tb)
--> 703 raise value
704 finally:
705 value = None
/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/paddle/fluid/executor.py in run(self, program, feed, fetch_list, feed_var_name, fetch_var_name, scope, return_numpy, use_program_cache, return_merged, use_prune)
1064 use_program_cache=use_program_cache,
1065 use_prune=use_prune,
-> 1066 return_merged=return_merged)
1067 except Exception as e:
1068 if not isinstance(e, core.EOFException):
/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/paddle/fluid/executor.py in _run_impl(self, program, feed, fetch_list, feed_var_name, fetch_var_name, scope, return_numpy, use_program_cache, return_merged, use_prune)
1152 scope=scope,
1153 return_numpy=return_numpy,
-> 1154 use_program_cache=use_program_cache)
1155
1156 program._compile(scope, self.place)
/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/paddle/fluid/executor.py in _run_program(self, program, feed, fetch_list, feed_var_name, fetch_var_name, scope, return_numpy, use_program_cache)
1227 if not use_program_cache:
1228 self._default_executor.run(program.desc, scope, 0, True, True,
-> 1229 fetch_var_name)
1230 else:
1231 self._default_executor.run_prepared_ctx(ctx, scope, False, False,
EnforceNotMet:

--------------------------------------------
C++ Call Stacks (More useful to developers):
--------------------------------------------
0 std::string paddle::platform::GetTraceBackString(std::string const&, char const*, int)
1 paddle::platform::EnforceNotMet::EnforceNotMet(std::string const&, char const*, int)
2 paddle::operators::SumOp::GetExpectedKernelType(paddle::framework::ExecutionContext const&) const
3 paddle::framework::OperatorWithKernel::ChooseKernel(paddle::framework::RuntimeContext const&, paddle::framework::Scope const&, paddle::platform::Place const&) const
4 paddle::framework::OperatorWithKernel::RunImpl(paddle::framework::Scope const&, paddle::platform::Place const&, paddle::framework::RuntimeContext*) const
5 paddle::framework::OperatorWithKernel::RunImpl(paddle::framework::Scope const&, paddle::platform::Place const&) const
6 paddle::framework::OperatorBase::Run(paddle::framework::Scope const&, paddle::platform::Place const&)
7 paddle::framework::Executor::RunPartialPreparedContext(paddle::framework::ExecutorPrepareContext*, paddle::framework::Scope*, long, long, bool, bool, bool)
8 paddle::framework::Executor::RunPreparedContext(paddle::framework::ExecutorPrepareContext*, paddle::framework::Scope*, bool, bool, bool)
9 paddle::framework::Executor::Run(paddle::framework::ProgramDesc const&, paddle::framework::Scope*, int, bool, bool, std::vector > const&, bool, bool)

------------------------------------------
Python Call Stacks (More useful to users):
------------------------------------------
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/paddle/fluid/framework.py", line 2610, in append_op
attrs=kwargs.get("attrs", None))
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/paddle/fluid/layer_helper.py", line 43, in append_op
return self.main_program.current_block().append_op(*args, **kwargs)
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/paddle/fluid/layers/nn.py", line 11738, in sum
attrs={'use_mkldnn': False})
File "", line 2, in
y = fluid.layers.sum(x=[a, b])
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/IPython/core/interactiveshell.py", line 3326, in run_code
exec(code_obj, self.user_global_ns, self.user_ns)
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/IPython/core/interactiveshell.py", line 3249, in run_ast_nodes
if (await self.run_code(code, result, async_=asy)):
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/IPython/core/interactiveshell.py", line 3058, in run_cell_async
interactivity=interactivity, compiler=compiler, result=result)
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/IPython/core/async_helpers.py", line 68, in _pseudo_sync_runner
coro.send(None)
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/IPython/core/interactiveshell.py", line 2881, in _run_cell
return runner(coro)
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/IPython/core/interactiveshell.py", line 2855, in run_cell
raw_cell, store_history, silent, shell_futures)
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/ipykernel/zmqshell.py", line 536, in run_cell
return super(ZMQInteractiveShell, self).run_cell(*args, **kwargs)
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/ipykernel/ipkernel.py", line 294, in do_execute
res = shell.run_cell(code, store_history=store_history, silent=silent)
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/tornado/gen.py", line 209, in wrapper
yielded = next(result)
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/ipykernel/kernelbase.py", line 534, in execute_request
user_expressions, allow_stdin,
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/tornado/gen.py", line 209, in wrapper
yielded = next(result)
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/ipykernel/kernelbase.py", line 267, in dispatch_shell
yield gen.maybe_future(handler(stream, idents, msg))
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/tornado/gen.py", line 209, in wrapper
yielded = next(result)
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/ipykernel/kernelbase.py", line 357, in process_one
yield gen.maybe_future(dispatch(*args))
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/tornado/gen.py", line 748, in run
yielded = self.gen.send(value)
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/tornado/gen.py", line 787, in inner
self.run()
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/tornado/ioloop.py", line 743, in _run_callback
ret = callback()
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/tornado/ioloop.py", line 690, in
lambda f: self._run_callback(functools.partial(callback, future))
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/asyncio/events.py", line 88, in _run
self._context.run(self._callback, *self._args)
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/asyncio/base_events.py", line 1771, in _run_once
handle._run()
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/asyncio/base_events.py", line 534, in run_forever
self._run_once()
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/tornado/platform/asyncio.py", line 148, in start
self.asyncio_loop.run_forever()
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/ipykernel/kernelapp.py", line 505, in start
self.io_loop.start()
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/traitlets/config/application.py", line 664, in launch_instance
app.start()
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/ipykernel_launcher.py", line 16, in
app.launch_new_instance()
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/runpy.py", line 85, in _run_code
exec(code, run_globals)
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/runpy.py", line 193, in _run_module_as_main
"__main__", mod_spec)

----------------------
Error Message Summary:
----------------------
InvalidArgumentError: Sum operator should have at least one tensor
[Hint: Expected dtype != -1, but received dtype:-1 == -1:-1.] at (/paddle/paddle/fluid/operators/sum_op.cc:139)
[operator < sum > error]

0
回复
q
qq老老总
#11 回复于2020-10

把notebook重新启动，只运行线性回归部分的代码 即可。我估计是前面的代码运行有些临时变量造成的影响。

2
回复
l
lvjiujin10
#12 回复于2020-12

---------------------------------------------------------------------------EnforceNotMet Traceback (most recent call last) in
3 train_cost = exe.run(program=fluid.default_main_program(),
4 feed={'x': x_data, 'y': y_data},
----> 5 fetch_list=[avg_cost])
6 print("Pass:%d, Cost:%0.5f" % (pass_id, train_cost[0]))
/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/paddle/fluid/executor.py in run(self, program, feed, fetch_list, feed_var_name, fetch_var_name, scope, return_numpy, use_program_cache, return_merged, use_prune)
1069 warnings.warn(
1070 "The following exception is not an EOF exception.")
-> 1071 six.reraise(*sys.exc_info())
1072
1073 def _run_impl(self, program, feed, fetch_list, feed_var_name,
/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/six.py in reraise(tp, value, tb)
701 if value.__traceback__ is not tb:
702 raise value.with_traceback(tb)
--> 703 raise value
704 finally:
705 value = None
/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/paddle/fluid/executor.py in run(self, program, feed, fetch_list, feed_var_name, fetch_var_name, scope, return_numpy, use_program_cache, return_merged, use_prune)
1064 use_program_cache=use_program_cache,
1065 use_prune=use_prune,
-> 1066 return_merged=return_merged)
1067 except Exception as e:
1068 if not isinstance(e, core.EOFException):
/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/paddle/fluid/executor.py in _run_impl(self, program, feed, fetch_list, feed_var_name, fetch_var_name, scope, return_numpy, use_program_cache, return_merged, use_prune)
1152 scope=scope,
1153 return_numpy=return_numpy,
-> 1154 use_program_cache=use_program_cache)
1155
1156 program._compile(scope, self.place)
/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/paddle/fluid/executor.py in _run_program(self, program, feed, fetch_list, feed_var_name, fetch_var_name, scope, return_numpy, use_program_cache)
1227 if not use_program_cache:
1228 self._default_executor.run(program.desc, scope, 0, True, True,
-> 1229 fetch_var_name)
1230 else:
1231 self._default_executor.run_prepared_ctx(ctx, scope, False, False,
EnforceNotMet:

--------------------------------------------
C++ Call Stacks (More useful to developers):
--------------------------------------------
0 std::string paddle::platform::GetTraceBackString(std::string const&, char const*, int)
1 paddle::platform::EnforceNotMet::EnforceNotMet(std::string const&, char const*, int)
2 paddle::operators::SumOp::GetExpectedKernelType(paddle::framework::ExecutionContext const&) const
3 paddle::framework::OperatorWithKernel::ChooseKernel(paddle::framework::RuntimeContext const&, paddle::framework::Scope const&, paddle::platform::Place const&) const
4 paddle::framework::OperatorWithKernel::RunImpl(paddle::framework::Scope const&, paddle::platform::Place const&, paddle::framework::RuntimeContext*) const
5 paddle::framework::OperatorWithKernel::RunImpl(paddle::framework::Scope const&, paddle::platform::Place const&) const
6 paddle::framework::OperatorBase::Run(paddle::framework::Scope const&, paddle::platform::Place const&)
7 paddle::framework::Executor::RunPartialPreparedContext(paddle::framework::ExecutorPrepareContext*, paddle::framework::Scope*, long, long, bool, bool, bool)
8 paddle::framework::Executor::RunPreparedContext(paddle::framework::ExecutorPrepareContext*, paddle::framework::Scope*, bool, bool, bool)
9 paddle::framework::Executor::Run(paddle::framework::ProgramDesc const&, paddle::framework::Scope*, int, bool, bool, std::vector > const&, bool, bool)

------------------------------------------
Python Call Stacks (More useful to users):
------------------------------------------
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/paddle/fluid/framework.py", line 2610, in append_op
attrs=kwargs.get("attrs", None))
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/paddle/fluid/layer_helper.py", line 43, in append_op
return self.main_program.current_block().append_op(*args, **kwargs)
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/paddle/fluid/layers/nn.py", line 11738, in sum
attrs={'use_mkldnn': False})
File "", line 2, in
y = fluid.layers.sum(x=[a, b])
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/IPython/core/interactiveshell.py", line 3326, in run_code
exec(code_obj, self.user_global_ns, self.user_ns)
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/IPython/core/interactiveshell.py", line 3249, in run_ast_nodes
if (await self.run_code(code, result, async_=asy)):
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/IPython/core/interactiveshell.py", line 3058, in run_cell_async
interactivity=interactivity, compiler=compiler, result=result)
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/IPython/core/async_helpers.py", line 68, in _pseudo_sync_runner
coro.send(None)
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/IPython/core/interactiveshell.py", line 2881, in _run_cell
return runner(coro)
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/IPython/core/interactiveshell.py", line 2855, in run_cell
raw_cell, store_history, silent, shell_futures)
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/ipykernel/zmqshell.py", line 536, in run_cell
return super(ZMQInteractiveShell, self).run_cell(*args, **kwargs)
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/ipykernel/ipkernel.py", line 294, in do_execute
res = shell.run_cell(code, store_history=store_history, silent=silent)
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/tornado/gen.py", line 209, in wrapper
yielded = next(result)
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/ipykernel/kernelbase.py", line 534, in execute_request
user_expressions, allow_stdin,
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/tornado/gen.py", line 209, in wrapper
yielded = next(result)
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/ipykernel/kernelbase.py", line 267, in dispatch_shell
yield gen.maybe_future(handler(stream, idents, msg))
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/tornado/gen.py", line 209, in wrapper
yielded = next(result)
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/ipykernel/kernelbase.py", line 357, in process_one
yield gen.maybe_future(dispatch(*args))
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/tornado/gen.py", line 748, in run
yielded = self.gen.send(value)
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/tornado/gen.py", line 787, in inner
self.run()
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/tornado/ioloop.py", line 743, in _run_callback
ret = callback()
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/tornado/ioloop.py", line 690, in
lambda f: self._run_callback(functools.partial(callback, future))
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/asyncio/events.py", line 88, in _run
self._context.run(self._callback, *self._args)
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/asyncio/base_events.py", line 1771, in _run_once
handle._run()
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/asyncio/base_events.py", line 534, in run_forever
self._run_once()
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/tornado/platform/asyncio.py", line 148, in start
self.asyncio_loop.run_forever()
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/ipykernel/kernelapp.py", line 505, in start
self.io_loop.start()
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/traitlets/config/application.py", line 664, in launch_instance
app.start()
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/ipykernel_launcher.py", line 16, in
app.launch_new_instance()
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/runpy.py", line 85, in _run_code
exec(code, run_globals)
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/runpy.py", line 193, in _run_module_as_main
"__main__", mod_spec)

----------------------
Error Message Summary:
----------------------
InvalidArgumentError: Sum operator should have at least one tensor
[Hint: Expected dtype != -1, but received dtype:-1 == -1:-1.] at (/paddle/paddle/fluid/operators/sum_op.cc:139)
[operator < sum > error]

0
回复
thinc
#13 回复于2020-12

数据有问题

0
回复
夜雨飘零1
#14 回复于2020-12

请直接看Github上的源码会更加方便：https://github.com/yeyupiaoling/LearnPaddle2/tree/master/note3

Github上的代码才是最新的

0
回复
AIStudio810258
#15 回复于2020-12

Paddle 1.6.1版本？太老了点吧。新版本都是动态图的，更容易学习～

0
回复
关于AI Studio
AI Studio是基于百度深度学习平台飞桨的人工智能学习与实训社区，提供在线编程环境、免费GPU算力、海量开源算法和开放数据，帮助开发者快速创建和部署模型。
了解
相关资源
用户指南 常见问题
教育专区
教育版介绍 教育版使用文档 教师开课申请
联系我们
邮箱: aistudio@baidu.com 官方QQ：580959619
飞桨微信服务号
友情链接：
飞桨官网
|
飞桨源码
|
百度开发者中心
|
百度云智学院
|
百度技术学院
|
百度效率云
|
百度点石
|
用户协议
|
© 使用百度前必读
提issue
需求/bug反馈？一键提issue告诉我们
提pr
发现bug？如果您知道修复办法，欢迎提pr直接参与建设飞桨~
在@后输入用户全名并按空格结束，可艾特全站任一用户