diff --git a/paddlehub/finetune/task/classifier_task.py b/paddlehub/finetune/task/classifier_task.py
index bdbad9aea1caef07b00cc1abc674a63f88c31cf5..8f5e5c188f260d51fd99a616ebc88231c17c09e3 100644
--- a/paddlehub/finetune/task/classifier_task.py
+++ b/paddlehub/finetune/task/classifier_task.py
@@ -25,8 +25,8 @@ import time
 
 from paddlehub.common.logger import logger
 from paddlehub.finetune.evaluate import calculate_f1_np, matthews_corrcoef
-import paddlehub.network as net
 from paddlehub.reader.nlp_reader import ClassifyReader
+import paddlehub.network as net
 
 from .base_task import BaseTask