diff --git a/.github/ISSUE_TEMPLATE/bug_report.md b/.github/ISSUE_TEMPLATE/bug_report.md
new file mode 100644
index 00000000..dd84ea78
--- /dev/null
+++ b/.github/ISSUE_TEMPLATE/bug_report.md
@@ -0,0 +1,38 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+Steps to reproduce the behavior:
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**Desktop (please complete the following information):**
+ - OS: [e.g. iOS]
+ - Browser [e.g. chrome, safari]
+ - Version [e.g. 22]
+
+**Smartphone (please complete the following information):**
+ - Device: [e.g. iPhone6]
+ - OS: [e.g. iOS8.1]
+ - Browser [e.g. stock browser, safari]
+ - Version [e.g. 22]
+
+**Additional context**
+Add any other context about the problem here.
diff --git a/.github/ISSUE_TEMPLATE/feature_request.md b/.github/ISSUE_TEMPLATE/feature_request.md
new file mode 100644
index 00000000..bbcbbe7d
--- /dev/null
+++ b/.github/ISSUE_TEMPLATE/feature_request.md
@@ -0,0 +1,20 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.
diff --git a/src/tutorials/RecommenderSystems/rs_rating_demo.py b/src/tutorials/RecommenderSystems/rs_rating_demo.py
index c2c33de4..37e02dd1 100644
--- a/src/tutorials/RecommenderSystems/rs_rating_demo.py
+++ b/src/tutorials/RecommenderSystems/rs_rating_demo.py
@@ -1,10 +1,16 @@
 #!/usr/bin/python
-# coding:utf8
+# coding:utf-8
+# -------------------------------------------------------------------------------
+# Name:    推荐系统
+# Purpose: 推荐系统: Item CF/User CF/SVD 对比
+# Author:  jiangzhonglian
+# Create_time:  2020年9月21日
+# Update_time:  2020年9月21日
+# -------------------------------------------------------------------------------
 from __future__ import print_function
 import sys
 import math
 from operator import itemgetter
-
 import numpy as np
 import pandas as pd
 from scipy.sparse.linalg import svds
@@ -12,9 +18,6 @@ from sklearn import model_selection as cv
 from sklearn.metrics import mean_squared_error
 from sklearn.metrics.pairwise import pairwise_distances
 from middleware.utils import TimeStat, Chart
-"""
-推荐系统: Item CF/User CF/SVD 对比
-"""
 
 
 def splitData(dataFile, test_size):
@@ -256,4 +259,4 @@ def main():
 
 
 if __name__ == "__main__":
-    main()
\ No newline at end of file
+    main()