diff --git a/oneflow/core/job/scheduler.cpp b/oneflow/core/job/scheduler.cpp
index 6bcd371c64a06634c457160834ac61859c2ff5c5..406d6645d02c7f209979593eef00c55a56ce53d8 100644
--- a/oneflow/core/job/scheduler.cpp
+++ b/oneflow/core/job/scheduler.cpp
@@ -36,11 +36,6 @@ void Scheduler::Process(const std::string& job_conf_filepath,
   NewAllSingleton(job_conf_filepath, this_machine_name, env);
   auto plan = of_make_unique<Plan>();
   std::string naive_plan_filepath = JoinPath(LogDir(), "naive_plan");
-  //#ifdef PLATFORM_WINDOWS
-  //  char current_dir[128];
-  //  GetCurrentDirectory(100, current_dir);
-  //  LOG(INFO) << "current_dir is " << current_dir << "\n";
-  //#endif  // PLATFORM_WINDOWS
   // Compile
   if (RuntimeCtx::Singleton()->IsThisMachineMaster()) {
     std::stringstream compile_cmd;
diff --git a/oneflow/core/persistence/file_system.cpp b/oneflow/core/persistence/file_system.cpp
index d831deed08e31cc3d5fd8fbd256ddeff71f46ac3..09246c55af367b3f626218ed01e71ee1d90228b7 100644
--- a/oneflow/core/persistence/file_system.cpp
+++ b/oneflow/core/persistence/file_system.cpp
@@ -94,7 +94,7 @@ struct GlobalFSConstructor {
     const GlobalFSConf& gfs_conf =
         JobDesc::Singleton()->job_conf().global_fs_conf();
     if (gfs_conf.has_localfs_conf()) {
-      // CHECK_EQ(JobDesc::Singleton()->resource().machine().size(), 1);
+      CHECK_EQ(JobDesc::Singleton()->resource().machine().size(), 1);
       gfs = LocalFS();
     } else if (gfs_conf.has_hdfs_conf()) {
       gfs = new HadoopFileSystem(gfs_conf.hdfs_conf());