diff --git a/.github/ISSUE_TEMPLATE/bug_report.md b/.github/ISSUE_TEMPLATE/bug_report.md
index 49012b0..1acca9b 100644
--- a/.github/ISSUE_TEMPLATE/bug_report.md
+++ b/.github/ISSUE_TEMPLATE/bug_report.md
@@ -28,6 +28,7 @@ about: Create a report to help us improve
 Environment:
 
 ```
+operating system:
 npm version:
 nodejs version:
 docsify version: