chore: coding style and comments (#1361)

* chore: coding style and comments

* chore: optimize `ParseJsonBody` (#1353)

* chore: optimize `ParseJsonBody`

* chore: optimize `ParseJsonBody`

* fix: fix a test

* chore: optimize `ParseJsonBody`

* fix a test

* chore: add comment

* chore: refactor

Co-authored-by: chenquan <chenquan.dev@foxmail.com>

tools/goctl/bug/env.go

@@ -21,7 +21,7 @@ func (e env) string() string {
 		w.WriteString(fmt.Sprintf("%s = %q\n", k, v))
 	}
 
-	return strings.TrimSuffix(w.String(),"\n")
+	return strings.TrimSuffix(w.String(), "\n")
 }
 
 func getEnv() env {

tools/goctl/bug/issue.go

@@ -1,6 +1,6 @@
 package bug
 
-const issueTemplate=`
+const issueTemplate = `
 <!-- Please answer these questions before submitting your issue. Thanks! -->
 
 ### What category of issue (<code>goctl</code> or <code>sdk</code>)?