fixed d22a8b7a from https://gitee.com/zengyawen/docs/pulls/14494

update zh-cn/application-dev/reference/apis/js-apis-hidebug.md.
Signed-off-by: Nzengyawen <zengyawen1@huawei.com>

zh-cn/application-dev/reference/apis/js-apis-hidebug.md

@@ -297,7 +297,7 @@ import hidebug from '@ohos.hidebug'
 
 try {
   hidebug.startJsCpuProfiling("cpu_profiling");
-  ...
+  // ...
   hidebug.stopJsCpuProfiling();
 } catch (error) {
   console.info(error.code)
@@ -326,7 +326,7 @@ import hidebug from '@ohos.hidebug'
 
 try {
   hidebug.startJsCpuProfiling("cpu_profiling");
-  ...
+  // ...
   hidebug.stopJsCpuProfiling();
 } catch (error) {
   console.info(error.code)