diff --git a/qlib/contrib/model/pytorch_alstm_ts.py b/qlib/contrib/model/pytorch_alstm_ts.py
index 4cbd8a49e..41be0824d 100644
--- a/qlib/contrib/model/pytorch_alstm_ts.py
+++ b/qlib/contrib/model/pytorch_alstm_ts.py
@@ -262,7 +262,7 @@ class ALSTM(Model):
 
         dl_test = dataset.prepare("test", data_key=DataHandlerLP.DK_I)
         dl_test.config(fillna_type="ffill+bfill")
-        test_loader = DataLoader(dl_test, batch_size=self.batch_size, num_workers=20)
+        test_loader = DataLoader(dl_test, batch_size=self.batch_size, num_workers=self.n_jobs)
         self.ALSTM_model.eval()
         preds = []
 
diff --git a/qlib/contrib/model/pytorch_gats_ts.py b/qlib/contrib/model/pytorch_gats_ts.py
index 534e5e27a..633da075a 100644
--- a/qlib/contrib/model/pytorch_gats_ts.py
+++ b/qlib/contrib/model/pytorch_gats_ts.py
@@ -307,7 +307,7 @@ class GATs(Model):
 
         dl_test = dataset.prepare("test", data_key=DataHandlerLP.DK_I)
         dl_test.config(fillna_type="ffill+bfill")
-        test_loader = DataLoader(dl_test, batch_size=self.batch_size, num_workers=20)
+        test_loader = DataLoader(dl_test, batch_size=self.batch_size, num_workers=self.n_jobs)
         self.ALSTM_model.eval()
         preds = []
 
diff --git a/qlib/contrib/model/pytorch_gru_ts.py b/qlib/contrib/model/pytorch_gru_ts.py
index b1c943a89..149c9f8d0 100755
--- a/qlib/contrib/model/pytorch_gru_ts.py
+++ b/qlib/contrib/model/pytorch_gru_ts.py
@@ -262,7 +262,7 @@ class GRU(Model):
 
         dl_test = dataset.prepare("test", data_key=DataHandlerLP.DK_I)
         dl_test.config(fillna_type="ffill+bfill")
-        test_loader = DataLoader(dl_test, batch_size=self.batch_size, num_workers=20)
+        test_loader = DataLoader(dl_test, batch_size=self.batch_size, num_workers=self.n_jobs)
         self.GRU_model.eval()
         preds = []
 
diff --git a/qlib/contrib/model/pytorch_lstm_ts.py b/qlib/contrib/model/pytorch_lstm_ts.py
index c717d3955..a7f8a2444 100755
--- a/qlib/contrib/model/pytorch_lstm_ts.py
+++ b/qlib/contrib/model/pytorch_lstm_ts.py
@@ -262,7 +262,7 @@ class LSTM(Model):
 
         dl_test = dataset.prepare("test", data_key=DataHandlerLP.DK_I)
         dl_test.config(fillna_type="ffill+bfill")
-        test_loader = DataLoader(dl_test, batch_size=self.batch_size, num_workers=20)
+        test_loader = DataLoader(dl_test, batch_size=self.batch_size, num_workers=self.n_jobs)
         self.LSTM_model.eval()
         preds = []
 
diff --git a/qlib/contrib/model/pytorch_sfm_ts.py b/qlib/contrib/model/pytorch_sfm_ts.py
index 617c19b52..d4c149987 100644
--- a/qlib/contrib/model/pytorch_sfm_ts.py
+++ b/qlib/contrib/model/pytorch_sfm_ts.py
@@ -433,7 +433,7 @@ class SFM(Model):
 
         dl_test = dataset.prepare("test", data_key=DataHandlerLP.DK_I)
         dl_test.config(fillna_type="ffill+bfill")
-        test_loader = DataLoader(dl_test, batch_size=self.batch_size, num_workers=20)
+        test_loader = DataLoader(dl_test, batch_size=self.batch_size, num_workers=self.n_jobs)
         self.sfm_model.eval()
         preds = []