update github issue template

.github/ISSUE_TEMPLATE/bug-report.md

@@ -28,7 +28,8 @@ Steps to reproduce the behavior:
 
 ## Environment
 
-**Note**: One could run `python scripts/collect_info.py` under the `qlib` directory to get the following information.
+**Note**: User could run `cd scripts && python collect_info.py all` under project directory to get system information
+and paste them here directly.
 
  - Qlib version:
  - Python version:

scripts/collect_info.py

@@ -9,6 +9,11 @@ QLIB_PATH = Path(__file__).absolute().resolve().parent.parent
 
 
 class InfoCollector:
+    '''
+    User could collect system info by following commands
+    `cd scripts && python collect_info.py all`
+    - NOTE: please avoid running this script in the project folder which contains `qlib`
+    '''
     def sys(self):
         """collect system related info"""
         for method in ["system", "machine", "platform", "version"]: