Merge pull request #606 from Neilpang/dev

update issue template

.github/ISSUE_TEMPLATE.md

@@ -1,4 +1,6 @@
 <!--
+请确保已经更新到最新的代码, 然后贴上来 `--debug 2` 的调试输出. 没有调试输出,我帮不了你.
+如何调试 https://github.com/Neilpang/acme.sh/wiki/How-to-debug-acme.sh
 
 If it is a bug report:
 - make sure you are able to repro it on the latest released version. 
@@ -8,13 +10,11 @@ You can install the latest version by: `acme.sh --upgrade`
 - Refer to the [WIKI](https://wiki.acme.sh).
 - Debug info [Debug](https://github.com/Neilpang/acme.sh/wiki/How-to-debug-acme.sh).
 
-
 -->
 
 Steps to reproduce
 ------------------
 
-
 Debug log
 -----------------