Update issue tempalte of bug report (#1151)

.github/ISSUE_TEMPLATE/bug-report.md

@@ -2,13 +2,12 @@
 name: Bug Report
 about: Report a bug encountered while operating JuiceFS
 labels: kind/bug
-
 ---
 
-<!-- Please use this template while reporting a bug and provide as much info as possible. Not doing so may result in your bug not being addressed in a timely manner. Thanks!
+<!--
+Please use this template while reporting a bug and provide as much info as possible. Not doing so may result in your bug not being addressed in a timely manner. Thanks!
 -->
 
-
 **What happened**:
 
 **What you expected to happen**:
@@ -18,11 +17,11 @@ labels: kind/bug
 **Anything else we need to know?**
 
 **Environment**:
-- JuiceFS version (use `./juicefs --version`) or Hadoop Java SDK version:
+- JuiceFS version (use `juicefs --version`) or Hadoop Java SDK version:
 - Cloud provider or hardware configuration running JuiceFS:
-- OS (e.g: `cat /etc/os-release`):
+- OS (e.g `cat /etc/os-release`):
 - Kernel (e.g. `uname -a`):
-- Object storage (cloud provider and region):
-- Redis info (version, cloud provider managed or self maintained):
-- Network connectivity (JuiceFS to Redis, JuiceFS to object storage):
+- Object storage (cloud provider and region, or self maintained):
+- Metadata engine info (version, cloud provider managed or self maintained):
+- Network connectivity (JuiceFS to metadata engine, JuiceFS to object storage):
 - Others:

.github/ISSUE_TEMPLATE/enhancement.md

@@ -2,8 +2,8 @@
 name: Enhancement Request
 about: Suggest an enhancement to the JuiceFS project
 labels: kind/feature
-
 ---
+
 <!-- Please only use this template for submitting enhancement requests -->
 
 **What would you like to be added**:

.github/ISSUE_TEMPLATE/support.md

@@ -2,7 +2,6 @@
 name: Support Request
 about: Support request or question relating to JuiceFS
 labels: kind/question
-
 ---
 
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