From a2b56982ce1d775d058e2214102d0a1a943d36ab Mon Sep 17 00:00:00 2001
From: mack-a <57424792+mack-a@users.noreply.github.com>
Date: Fri, 3 Sep 2021 16:34:16 +0800
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---
 README.md               | 1 +
 documents/how_to_use.md | 7 +++++++
 2 files changed, 8 insertions(+)

diff --git a/README.md b/README.md
index e8f32bb..6292396 100644
--- a/README.md
+++ b/README.md
@@ -101,6 +101,7 @@
 - **Oracle vps有一个额外的防火墙，需要手动设置**
 - **如果使用gRPC通过cloudflare转发,需要在cloudflare设置允许gRPC，cloudflare Network->gRPC**
 - **gRPC目前处于测试阶段，可能对你使用的客户端不兼容，如不能使用请忽略**
+- **低版本脚本升级高版本时无法启动问题，[请点击此链接查看解决方案](https://github.com/mack-a/v2ray-agent/blob/master/documents/how_to_use.md#4%E4%BD%8E%E7%89%88%E6%9C%AC%E5%8D%87%E7%BA%A7%E9%AB%98%E7%89%88%E6%9C%AC%E5%90%8E%E6%97%A0%E6%B3%95%E5%90%AF%E5%8A%A8%E6%A0%B8%E5%BF%83)**
 
 ## [脚本使用指南](https://github.com/mack-a/v2ray-agent/blob/master/documents/how_to_use.md)、[脚本目录](https://github.com/mack-a/v2ray-agent/blob/master/documents/how_to_use.md#5脚本目录)
 
diff --git a/documents/how_to_use.md b/documents/how_to_use.md
index 2cb4cf6..7051eaa 100644
--- a/documents/how_to_use.md
+++ b/documents/how_to_use.md
@@ -195,6 +195,13 @@ vim /etc/nginx/conf.d/alone.conf
 add_header Strict-Transport-Security "max-age=63072000" always;
 ```
 
+## 4.低版本升级高版本后无法启动核心
+- 1.先分别执行下方命令
+- 2.使用脚本中[13.core管理]启动即可
+```
+systemctl stop trojan-go
+systemctl disable trojan-go
+```
 # 4.答疑
 
 ## 1.哪一种线路是最好的？