diff --git a/tools/simnet/train/tf/README.md b/tools/simnet/train/tf/README.md
index df4ceb9..c3bc37b 100755
--- a/tools/simnet/train/tf/README.md
+++ b/tools/simnet/train/tf/README.md
@@ -74,7 +74,7 @@ python tools/tf_record_writer.py
 ```
 python tf_simnet.py
         --task train
-        --task_conf examples/cnn_pointwise.json
+        --task_conf examples/cnn-pointwise.json
 ```
 **参数说明：**
 * **task**: 任务类型 ，可选择train或predict。
@@ -138,7 +138,7 @@ python tf_simnet.py
 ```
 python tf_simnet.py
         --task predict
-        --task_conf examples/cnn_pointwise.json
+        --task_conf examples/cnn-pointwise.json
 ```
 **参数说明：**
 同模型训练部分
diff --git a/tools/simnet/train/tf/utils/controler.py b/tools/simnet/train/tf/utils/controler.py
index ebe5ac3..fdd9997 100644
--- a/tools/simnet/train/tf/utils/controler.py
+++ b/tools/simnet/train/tf/utils/controler.py
@@ -62,7 +62,7 @@ def run_predict(pred, label, config):
     sess.close()
     result_file.close()
     if mode == "pointwise":
-        mean_acc = mean_acc / step
+        mean_acc = mean_acc / step*1.0
         print >> sys.stderr, "accuracy: %4.2f" % (mean_acc * 100)