diff --git a/examples/classification/README.md b/examples/classification/README.md
index 114ffc67b63546f81b9a43f27e23fa8fc2e47752..8f166e36d73a20cc50fbe61cec0e857e2ce3bde9 100644
--- a/examples/classification/README.md
+++ b/examples/classification/README.md
@@ -74,5 +74,6 @@ python evaluate.py
 The evaluation results are as follows:
 
 ```
+data num: 1200
 precision: 0.956666666667, recall: 0.949013157895, f1: 0.95688225039
 ```
diff --git a/examples/matching/README.md b/examples/matching/README.md
index f5587d194a5e165f9854c672248b5ae9ba9ccb06..a3b0c9636896ba479ee67cc8ceba44e3213cf92b 100644
--- a/examples/matching/README.md
+++ b/examples/matching/README.md
@@ -81,5 +81,6 @@ python evaluate.py
 The evaluation results are as follows:
 
 ```
+data_num: 4300
 precision: 0.857906976744, recall: 0.824249846908, f1: 0.81501664653
 ```
diff --git a/examples/predict/README.md b/examples/predict/README.md
index 4b781dfa1dd4f5b3291685178a6200296cddcb62..ca8338fbfa93949d97ea8e3e89d21eb4fa7c4cf5 100644
--- a/examples/predict/README.md
+++ b/examples/predict/README.md
@@ -71,8 +71,9 @@ Once you have the prediction, you can run the evaluation script to evaluate the
 python evaluate.py
 ```
 
-The evaluation results are as follows:  (need to update)
+The evaluation results are as follows:
 
 ```
-precision: 0.956666666667, recall: 0.949013157895, f1: 0.95688225039
+data num: 1200
+precision: 0.494166666667, recall: 0.0444078947368, f1: 0.0816944009455
 ```