diff --git a/README-zh-Hans.md b/README-zh-Hans.md
index 06eafc19..62d5f132 100644
--- a/README-zh-Hans.md
+++ b/README-zh-Hans.md
@@ -101,6 +101,8 @@ Copyright (c) 2018 - 2020 Netis.
## 联系方式
* 您可以给我们发邮件到[developer@netis.com](mailto:developer@netis.com)。
* 您也可以在[GitHub issues](https://github.com/Netis/cloud-probe/issues)直接报告问题和建议。
+## issue模板
+* 在您提出issue时,请按照相关模板 (issue_report_template.md)
diff --git a/README.md b/README.md
index 59aa2f28..6d2c372d 100644
--- a/README.md
+++ b/README.md
@@ -101,5 +101,7 @@ The content of this repository bound by the following licenses:
## Contact info
* You can E-mail to [developer@netis.com](mailto:developer@netis.com).
* You can also report issues and suggestions via [GitHub issues](https://github.com/Netis/packet-agent/issues).
+## Issue template
+* if you have any issue to put forward, please follow the issue template (issue_report_template.md).
diff --git a/src/prio.h b/src/prio.h
index 083de650..e850767b 100644
--- a/src/prio.h
+++ b/src/prio.h
@@ -33,7 +33,7 @@ extern int sys_ioprio_get(int, int);
#elif defined(__ia64__)
#define __NR_ioprio_set 1274
#define __NR_ioprio_get 1275
-#elif defined(__aarch64__)
+#elif defined(__aarch64__) || defined(__arm64__)
#define __NR_ioprio_set 30
#define __NR_ioprio_get 31
#else